/////////////////////////////////////////////////////////////////////////////////////

// DIY 'getElementsByClass' and do something function

//Create an array 
var allPageTags = new Array(); 
allPageTags=document.getElementsByTagName("*");

function doSomethingWithClasses(theClass, theStyle, theValue) {
  //Cycle through the tags using a for loop
  for (i=0; i<allPageTags.length; i++) {
    //Pick out the tags with our class name
    if (allPageTags[i].className==theClass) {
      //Manipulate this in whatever way you want
      eval("allPageTags[i].style." + theStyle + " = '" + theValue + "';");
    }
  }
} 

/////////////////////////////////////////////////////////////////////////////////////
// AJAX stuff, used by iBox and a few other things

var connectComplete = 1;
var handleType;
var divName;
var returnedData;

function handleHttpResponse() { 
  if (http.readyState == 4) { 
    document.getElementById(divName).innerHTML='';    
    if(handleType=='html') {
      document.getElementById(divName).innerHTML = http.responseText;    
    }
    else if(handleType=='value') {
      document.getElementById(divName).value = http.responseText;    
    } 
    else if(handleType=='data') {
      returnedData = http.responseText;    
    } 
    connectComplete = 1;
  } 
}

createRequestObject = function() {
  var xmlhttp;
  /*@cc_on
  @if (@_jscript_version >= 5)
    try {
      xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
    } catch (e) {
      try {
        xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
      } catch (E) {
        xmlhttp = false;
      }
    }
  @else
  xmlhttp = false;
  @end @*/
  if (!xmlhttp && typeof XMLHttpRequest != 'undefined') {
    try {
      xmlhttp = new XMLHttpRequest();
    } catch (e) {
      xmlhttp = false;
    }
  }
  return xmlhttp;
}

var http = createRequestObject();

function updateDiv(div,scriptURL,queryVars,type,notifyBool) { 
  if (connectComplete == 1){
          if (notifyBool == 1) {
            document.getElementById(div).innerHTML = '<div class="ajax_updating">&nbsp;</div>';
          }	  
	  connectComplete = 0;
	  divName = div;
	  handleType = type;
	  http.open("GET", scriptURL + "?" + queryVars, true); 
	  http.send(null); 
	  http.onreadystatechange = handleHttpResponse; 
  } 
}


//////////////////////////////////////////////////////////////////////////////////////
// Comments

function commentLike(cId) {
  updateDiv('comments_comment_like_' + cId, '', 'page_type=comment_like&cid=' + cId,'html',0);
  document.getElementById('comments_comment_like_' + cId).blur();
}
function commentReport(cId) {
  updateDiv('comments_comment_report_' + cId, '', 'page_type=comment_report&cid=' + cId,'html',0);
  document.getElementById('comments_comment_report_' + cId).blur();
  document.getElementById('comments_comment_report_' + cId).onClick = 'return false;';
}

function commentQuote(cId) {
  var commentMsg = document.getElementById('comments_comment_body_' + cId).innerHTML; 
  commentMsg = stripTags(commentMsg);
  var commentBox = document.getElementById('comments_comment');
  var newMsg = '[quote]' + commentMsg + '[/quote]\r\n';
  commentBox.value = newMsg;
  commentBox.focus();
}


/////////////////////////////////////////////////////////////////////////////////////
// Calendar

function calendarPop(triggerObj, inputBoxId, calType) {
  var inputBox = document.getElementById(inputBoxId);
  var triggerX = bumbleGetX(triggerObj);
  var triggerY = bumbleGetY(triggerObj) + bumbleGetHeight(triggerObj);
  var calendarObj = document.createElement('div');
  var calendarId = 'calendar_pop_' + inputBoxId;
  if (calType == 'monthyear')
    calendarObj.className = 'calendar_pop_container calendar_pop_monthyear';
  else
    calendarObj.className = 'calendar_pop_container';
  if (!document.getElementById(calendarId)) {    
    calendarObj.setAttribute('id', calendarId);
    calendarObj.style.zIndex='9999999';
    calendarObj.style.left=triggerX + 'px';
    calendarObj.style.top=triggerY + 'px';
  
    document.body.appendChild(calendarObj);  
    updateDiv(calendarId, '', 'page_type=calendar_modal&cal_type=' + calType + '&type=modal&input_box=' + inputBoxId, 'html', 0);
  } 
}
function calendarPopDestroy(objId) {
  if (typeof(document.getElementById(objId)) != 'undefined') {
    var obj = document.getElementById(objId);
    obj.parentNode.removeChild(obj);
  }
}
function calenderPopSelect(inputBoxId, day, month, year) {
  var inputBox = document.getElementById(inputBoxId);
  var calendarId = 'calendar_pop_' + inputBoxId;
  var calendarObj = document.getElementById(calendarId);
  inputBox.value = day + '/' + month + '/' + year;
  inputBox.focus();
  window.setTimeout('calendarPopDestroy(\'' + calendarId + '\')', 100);
}
function calendarPopUpdate(calId, action, calType) {
  if (action == 'next') 
    var m = parseInt(document.getElementById('calendar_pop_month').value) + 1;
  else if (action == 'prev') 
    var m = parseInt(document.getElementById('calendar_pop_month').value) - 1;
  else m = document.getElementById('calendar_pop_month').value;

  var y = document.getElementById('calendar_pop_year').value;
  
  if (m > 12) { 
    m = 1;
    y ++;
  }
  else if (m < 1) {
    m = 12;
    y --;
  }
  var inputBoxId = calId.replace('calendar_pop_', '');
  var qs = '&m=' + m + '&y=' + y;
  updateDiv(calId, '', 'page_type=calendar_modal&cal_type=' + calType + '&type=modal&input_box=' + inputBoxId + qs, 'html', 0);
}

function calendarPopSubmitMY(inputBoxId) {
  var allMonths = new Array(' ', 'January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December');
  var thisMonth = document.getElementById('calendar_pop_month').value;
  var inputBox = document.getElementById(inputBoxId);
  inputBox.value =  allMonths[parseInt(thisMonth)] + ' ' + document.getElementById('calendar_pop_year').value;
  calendarPopDestroy('calendar_pop_' + inputBoxId);
}

function calendar_show_time_slots(timestamp,type) {
  location.href='#calendar_days';
  updateDiv('calendar_times_container', '', 'page_type=calendar_times&action=book&timestamp=' + timestamp + '&type=' + type, 'html', 1);
}

function update_calendar(action,type) {
  if (action == 'next') m = parseInt(document.getElementById('calendar_list_months').value) + 1;
  else if (action == 'prev') m = parseInt(document.getElementById('calendar_list_months').value) - 1;
  else m = document.getElementById('calendar_list_months').value;
  y = document.getElementById('calendar_list_years').value;
  if (m > 12) { 
    m = 1;
    y ++;
  }
  else if (m < 1) {
    m = 12;
    y --;
  }
  var qs = '&m=' + m + '&y=' + y;
  updateDiv('calendar_container', '', 'page_type=calendar&action=book&' + 'type=' + type + qs, 'html', 1);
}

function calendar_book(timestamp,type) {
  
  var chosen_date = new Date();
  chosen_date.setTime(timestamp + '000');
  
  chosen_hour = chosen_date.getHours();
  if (chosen_hour > 12) chosen_hour -= 12;
  else if (chosen_hour == 0) chosen_hour = 12;
  
  if (chosen_hour > 11) chosen_suffix = 'AM';
  else chosen_suffix = 'PM';
  
  chosen_mins = chosen_date.getMinutes();
  if (chosen_mins < 10) chosen_mins = '0' + chosen_mins;
  
  var chosen_date_formatted = chosen_date.getDate() + '/' + (chosen_date.getMonth() + 1) + '/' + chosen_date.getFullYear() + ' at ' + chosen_hour + ":" + chosen_mins + ' ' + chosen_suffix;
  if (confirm("You have requested a booking for " + chosen_date_formatted +".\n\nAre you sure you wish to proceed?\n\n ")) {
    updateDiv('calendar_container', '', 'page_type=calendar&type=' + type + '&action=bookslot&slottime=' + timestamp, 'html', 1);
  }
}

/////////////////////////////////////////////////////////////////////////////////////
// Product review submission

function shopRatingChange(rating, e) {
  
  if (!e) var e = window.event;
  if (e.target) targ = e.target;
  else if (e.srcElement) targ = e.srcElement;
  if (targ.nodeType == 3) // defeat Safari bug
    targ = targ.parentNode;
  
  var imgStarOff = targ.src.replace('rate_star.gif', 'rate_star_off.gif');
  var imgStarOn = targ.src.replace('rate_star_off.gif', 'rate_star.gif');
  
  var idParts = targ.id.split('-'); 
  var thisStar = '';
  
  for (var r=1; r <= 5; r++) {
    thisStar = document.getElementById(idParts[0] + '-' + idParts[1] + '-' + r);
    if (r <= rating) thisStar.src = imgStarOn;
    else thisStar.src = imgStarOff;
  }
  
}
function submitRating(e) {
  if (!e) var e = window.event;
  if (e.target) targ = e.target;
  else if (e.srcElement) targ = e.srcElement;
  if (targ.nodeType == 3) // defeat Safari bug
    targ = targ.parentNode;
  
  var idParts = targ.id.split('-'); 
  var rating = idParts[2];
  var pid = idParts[1];
  
  window.location.href = '/?page=_product_review&pid=' + pid + '&action=new&rating=' + rating;
}
function submitReview(pid) {

  if (document.getElementById('new_name') != null)
    var name = parseQS(document.getElementById('new_name').value);
  if (document.getElementById('new_location') != null)
    var location = parseQS(document.getElementById('new_location').value);

  var rating = parseQS(document.getElementById('new_rating').value);
  var review = parseQS(document.getElementById('new_review').value); 

  updateDiv('review_form', '/', 'page_type=product_review&pid=' + pid + '&action=new&name=' + name + '&location=' + location + '&rating=' + rating + '&review=' + review, 'html', 1)

}

// swap product details with additional extra 

function shopSwapProductDetails(mainPid, extraId) {
  
  var shortDescription = document.getElementById('shop_product_short_description_' + mainPid);
  var longDescription = document.getElementById('shop_product_long_description_' + mainPid);
  var image = document.getElementById('shop_product_image_' + mainPid);
  var price = document.getElementById('shop_product_price_' + mainPid);
  var addItem = document.getElementById('shop_product_additem_' + mainPid);
  
  shortDescription.innerHTML = shopProductExtras[extraId]['short_description'];
  longDescription.innerHTML = shopProductExtras[extraId]['long_description'];
  image.src = '/?page_type=show_image&w=' + image.width + '&h=' + image.height + '&img=' + shopProductExtras[extraId]['image'];
  price.innerHTML = '&pound;' + shopProductExtras[extraId]['price'];
  addItem.value = extraId;
  
}
function getAddressFromPostcode(postCodeEl,returnInputsDelim) { 
  if (postCodeEl && typeof postCodeEl == 'object') {
    window.clearTimeout(postCodeTimeout);     
    postCodeTimeout = window.setTimeout(function() { 
      if (postCodeEl.value == postCodeStr) return false;
      else {
        postCodeStr = postCodeEl.value;    
        if (typeof(postCodeCall) == 'object') {
          postCodeCall.abort();
        }
        postCodeCall = new bumbleAJAXCall('/?page_type=address_from_postcode&postcode=' + postCodeStr,function(str) {
            processAddressFromPostcode(str,returnInputsDelim);
          }
        );        
      }
    }, 50);
  }
}
function processAddressFromPostcode(str,returnInputsDelim) {
  if (str != '') {
    var addrArr = str.split('@@@@');
    addressSelectFromPostcode(addrArr,returnInputsDelim);
  }
}
function addressSelectFromPostcode(addressDelim,returnInputsDelim) {
  // returnInputsDelim = element IDs for address fields, comma separated (address 1, address 2, town, county)
  var returnInputsArr = returnInputsDelim.split(',');
  var addressSelectObj = document.createElement("div");
  var len = addressDelim.length;
  for (var i = 0; i < len; i++) {
    var thisAddr = addressDelim[i].split(', ');
    var thisLink = document.createElement("a");
    thisLink.href = '#';
    thisLink.className = 'modal_select_link';
    var thisAddressStr = thisAddr[0];
    if (thisAddr[1] != '') thisAddressStr += ', ' + thisAddr[1];
    if (thisAddr[5] != '') thisAddressStr += ', ' + thisAddr[5];
    if (thisAddr[6] != '') thisAddressStr += ', ' + thisAddr[6];
    thisLink.innerHTML = thisAddressStr;
    thisLink.setAttribute('data-addr1', thisAddr[0]);
    thisLink.setAttribute('data-addr2', thisAddr[1]);
    thisLink.setAttribute('data-town', thisAddr[5]);
    thisLink.setAttribute('data-county', thisAddr[6]);
    thisLink.onclick = function() {
      var addr1 = document.getElementById(returnInputsArr[0]);
      var addr2 = document.getElementById(returnInputsArr[1]);
      var town = document.getElementById(returnInputsArr[2]);
      var county = document.getElementById(returnInputsArr[3]);
      addr1.value = this.getAttribute('data-addr1');
      addr2.value = this.getAttribute('data-addr2');
      town.value = this.getAttribute('data-town');
      county.value = this.getAttribute('data-county');
      if (typeof postcodeBox == 'object') postcodeBox.hide();
      return false;
    };
    addressSelectObj.appendChild(thisLink);
  }
  var postcodeBox = new bumbleBox('', 'Please select your address', '90%', 'auto', 'object', '', true, '', addressSelectObj);
  postcodeBox.show();
}
var postCodeCall = '';
var postCodeTimeout = '';
var postCodeStr = '';
var postcodeBox = '';

/////////////////////////////////////////////////////////////////////////////////////
// Validate forms 

function checkform(formname) { 

    /* Tool methods */
    function cf_adderr(o) {
      // create image, add to and colourise the error fields
      var errorIndicator=document.createElement('img');
      errorIndicator.alt=errorAlt;
      errorIndicator.src=errorImg;
      errorIndicator.title=errorTitle;
      o.className=errorClass;
      o.parentNode.insertBefore(errorIndicator,o);
      // Check if there is no error message
      if(!document.getElementById(errorID)) {
        // create errormessage and insert before submit button
        var em = document.createElement('div');
        em.style.textAlign='left';
        em.id = errorID;
        var newp = document.createElement('p');
        newp.innerHTML = errorMsg;
        // clone and insert the error image
        newp.appendChild(errorIndicator.cloneNode(true));
        em.appendChild(newp);
        // find the submit button 
        for(var i=0; i < formname.getElementsByTagName('input').length; i++){
          if(/submit/i.test(formname.getElementsByTagName('input')[i].type)) {
            var sb = formname.getElementsByTagName('input')[i];
            break;
          }
        }
        if(sb) {
          sb.parentNode.insertBefore(em,sb);
        }  
      } 
    }
    function cf_isEmailAddr(str) {
      return str.match(/^[\w-]+(\.[\w-]+)*@([\w-]+\.)+[a-zA-Z]{2,7}$/);
    }

  if(!document.getElementById || !document.createTextNode || !formname.required) {
    return;  
  }
  else {
    var errorID='error_alert';
    var errorClass='input_error'
    var errorMsg='Some fields are missing or invalid.<br />Please enter or change the fields marked with a ';
    var errorImg='library/templates/default/resources/form_alert.gif';
    var errorAlt='Error';
    var errorTitle='Please complete this field';
    var reqfields=formname.required.value.split('||');
    // Cleanup old mess
    // if there is an old errormessage field, delete it
    if(document.getElementById(errorID)){
      var em=document.getElementById(errorID);
      em.parentNode.removeChild(em);
    }
    // remove old images and classes from the required fields
    for(var i=0; i < reqfields.length; i++) {
      var f=document.getElementById(reqfields[i]);
      if(!f) continue;
      if(f.previousSibling && /img/i.test(f.previousSibling.nodeName)) {
        f.parentNode.removeChild(f.previousSibling);
      }
      f.className='inputbox';
    }
    // loop over required fields
    for(var i=0; i < reqfields.length; i++) {
      // check if required field is there
      var f=document.getElementById(reqfields[i]);
      if(!f) continue;     
      // test if the required field has an error, 
      // according to its type
      
      
      else switch(f.type.toLowerCase()) {
        case 'text':
          if(f.value=='' && f.id!='email' && (f.attributes.alt.value) != 'Email') cf_adderr(f);
          if((f.id=='email' || ((f.attributes.alt.value) == 'Email')) && !cf_isEmailAddr(f.value)) cf_adderr(f);
          break;
        case 'hidden':  // if hidden, then we're looking for a radio selection instead, using name instead of ID
          var formnameName = formname.name;
          var radioObject = eval('document.' + formnameName + '.' + f.id + ';');
          var radioObjectNum = (radioObject.length == 'undefined') ? 1 : radioObject.length;
          var radioChecked = 0;
          for(var r = 0; r < radioObjectNum; r++) {
            if(radioObject[r].checked) {
              radioChecked = 1;
              break;
            }
          }
          if (radioChecked == 0) cf_adderr(f);
          break;
        case 'textarea':         
          if(f.value=='') cf_adderr(f);
          break;
        case 'checkbox': 
          if(!f.checked) cf_adderr(f);              
          break;
        case 'select-one':
          if(!f.selectedIndex && f.selectedIndex==0) cf_adderr(f);              
          break;
      }
    }
    return !document.getElementById(errorID);
  }
}

function validateField(field, valType, compareField) { 
  var fieldId = field.id;  
  if (typeof valInProgress != 'undefined' && typeof valInProgress[fieldId] != 'undefined') 
    window.clearTimeout(valInProgress[fieldId]);
  else if (typeof valInProgress == 'undefined')
    valInProgress = new Array();
  validationMessage(fieldId, 'wait'); 
  valInProgress[fieldId] = window.setTimeout("actualValidate('" + fieldId + "', '" + valType + "', '" + compareField + "')", 500);
}

function actualValidate(fieldId, valType, compareField) {
  var field = document.getElementById(fieldId);
  var fieldValue = field.value;
  var validated = false; 
  if (document.getElementById(compareField)) var compareVal = document.getElementById(compareField).value;
  switch (valType) {
    case "password": 
      if (fieldValue.length < 6)
        var valMsg = 'Password must be 6 or more characters long';
      else validated = true;
      break;
    case "confirm":
      if (fieldValue.length < 6)
        var valMsg = 'Password must be 6 or more characters long';
      else if (fieldValue != compareVal)
        var valMsg = 'This must be the same as the password';
      else validated = true;
      break;
    case "email":
      if (!fieldValue.match(/^[\w-]+(\.[\w-]+)*@([\w-]+\.)+[a-zA-Z]{2,7}$/))
        var valMsg = 'This doesn\'t appear to be a proper email address';
      else validated = true;
      break;
    case "postcode":
      field.value = formatPostcode(fieldValue);
      fieldValue = field.value;
      if(!isValidPostcode(fieldValue))
        var valMsg = 'This doesn\'t appear to be a valid postcode';
      else validated = true;
      break; 
    case "none":
      validated = true;
      break;
    default: // check if empty or not
      if (fieldValue != '') validated = true;
      else var valMsg = 'This field cannot be empty.';
      break;
  }
  
  validationMessage(fieldId, validated, valMsg); 
  
}

function validationMessage(fieldId, validated, valMsg) {
  var field = document.getElementById(fieldId);
  var valIcon = document.getElementById('valid_icon_' + fieldId);
  var iconOK = '/library/templates/default/resources/validate_ok.gif';
  var iconFailed = '/library/templates/default/resources/validate_failed.gif';
  var iconWait = '/library/templates/default/resources/validate_wait.gif';
  
  if (valIcon == null) { 
    var posX = findPosX(field) + field.offsetWidth + 25;
    var posY = findPosY(field) + field.offsetHeight - 21;
    var newValIcon = document.createElement('div');
    var bodyElement = document.getElementsByTagName('body');

    newValIcon.setAttribute('id', 'valid_icon_' + fieldId);
    field.parentNode.appendChild(newValIcon); 
    //bodyElement[0].firstChild.parentNode.insertBefore(newValIcon, bodyElement[0].firstChild);
    valIcon = document.getElementById('valid_icon_' + fieldId);  
    valIcon.style.display = 'inline';  
    valIcon.style.position = 'absolute';
    valIcon.style.marginTop = '-2px';
    valIcon.style.marginLeft = '10px';
    //valIcon.style.top = posY + 'px';
    //valIcon.style.left = posX + 'px';
    valIcon.style.padding = '2px 2px 2px 30px';
    valIcon.style.height = '19px';    
    valIcon.style.backgroundPosition = '2px 2px';
    valIcon.style.backgroundRepeat = 'no-repeat';
  }
  if (validated == 'wait') {
    valIcon.style.backgroundColor = 'Transparent';
    valIcon.style.backgroundImage = 'url(' + iconWait + ')';
    valIcon.innerHTML = '&nbsp;';
  }
  else if (validated == true) {
    valIcon.style.backgroundColor = 'Transparent';
    valIcon.style.backgroundImage = 'url(' + iconOK + ')';
    valIcon.innerHTML = '&nbsp;';
  }
  else {
    valIcon.style.backgroundColor = '#fff';
    valIcon.style.backgroundImage = 'url(' + iconFailed + ')';    
    valIcon.innerHTML = valMsg;
  }
}
function isValidPostcode(p) {
  var postcodeRegEx = /[A-Z]{1,2}[0-9]{1,2}[A-Z]? ?[0-9][A-Z]{2}/i;
  return postcodeRegEx.test(p);
}

function modalMessagesScrollDown() {
  var messageBox = document.getElementById('modal_messages_messages');
  var scrollEl = document.getElementById('modal_messages_bottom');
  messageBox.scrollTop = scrollEl.offsetTop;
  var messageInput = document.getElementById('modal_message_new');
  messageInput.value = '';
  messageInput.focus();
}

var thisBumbleBox;
function modalMessagesSubmitMsg() {
  var messageContent = document.getElementById('modal_message_new').value;
  messageContent = parseQS(messageContent);
  var messageWindow = document.getElementById('modal_messages_messages');
  var bottomAnchor = document.getElementById('modal_messages_bottom');
  var newBubble = document.createElement("div");
  newBubble.className = 'modal_messages_message you';
  newBubble.style.opacity='0.5';
  var throbber = document.createElement("div");
  throbber.className = 'bumbleThrobber top dark';
  newBubble.appendChild(throbber);
  messageWindow.insertBefore(newBubble, bottomAnchor);
  window.setTimeout('modalMessagesScrollDown()', 100);
  var userId = document.getElementById('modal_messages_uid').value;
  window.setTimeout(function() {
    var updateContent = new bumbleAJAXCall('/?page_type=users_messages_modal&action=new&user_id=' + userId + '&message=' + messageContent, function() { window.setTimeout(modalMessagesScrollDown, 100); }, messageWindow);
  }, 1000);
}
function modalMessagesView(userId) {
  if (!userId || userId == 'undefined') userId = '';
  thisBumbleBox = new bumbleBox('/?page_type=users_messages_modal&user_id=' + userId, 'Messages', '90%', '90%', 'ajax', modalMessagesScrollDown, false);
  thisBumbleBox.show(); 
}
function recalcFormProductTotal() {
  window.setTimeout('recalcFormProductTotalAction()', 100);
}
function recalcFormProductTotalAction() {
  var fields = document.getElementById('check_products_delim');
  var thisEl = '';
  var thisId = '';
  var valueField = '';
  var thisValue = '';
  var thisValueParts = '';
  var thisSelectObj = '';
  var totalValue = 0;
  if (fields != null && fields.value != '') { 
    var fieldsArr = fields.value.split(',');
    for (var i = 0; i < fieldsArr.length; i++) {
      valueField = null;
      if (fieldsArr[i] != '') {
        thisEl = document.getElementById(fieldsArr[i]);
        if (thisEl != null) {
          if (thisEl.tagName == 'INPUT' || thisEl.tagName == 'input') { 
            if (thisEl.type == 'checkbox' && thisEl.checked == true) {
              // item has been ticked - add price
              thisId = fieldsArr[i].replace(/\_form\_/, '', fieldsArr[i]); ;
              valueField = document.getElementById('product_value_' + thisId);               
            }
            else if (thisEl.type == 'hidden') {
              // item has extras - parent item's price will be added too
              // check an option has been selected from extras before adding this price
              thisId = fieldsArr[i].replace(/\product\_value\_/, '', fieldsArr[i]); 
              thisSelectObj = document.getElementById('extra_item_' + thisId); 
              if (thisSelectObj != null && thisSelectObj.selectedIndex > 0) { 
                valueField = document.getElementById(fieldsArr[i]);               
              }
            }
            if (valueField != null) totalValue += parseInt(valueField.value);
          }
          else if (thisEl.tagName == 'SELECT' || thisEl.tagName == 'select') {            
            thisValue = thisEl.value;
            if (thisValue != '') {
              thisValueParts = thisValue.split(',');
              if (thisValueParts[1] != null) totalValue += parseInt(thisValueParts[1]);              
            }
          }
        }
      }
    }
    document.getElementById('form_products_total_value').innerHTML = totalValue;
  }
}

/*  formats a VALID postcode nicely: AB120XY -> AB1 0XY */
function formatPostcode(p) {
  if (isValidPostcode(p)) {
    var postcodeRegEx = /(^[A-Z]{1,2}[0-9]{1,2}[A-Z]?)([0-9][A-Z]{2}$)/i;
    p = p.toUpperCase();
    return p.replace(postcodeRegEx,"$1 $2");
  } else {
    return p;
  }
}

function findPosX(obj) {
    var curleft = 0;
    if(obj.offsetParent)
        while(1) 
        {
          curleft += obj.offsetLeft;
          if(!obj.offsetParent)
            break;
          obj = obj.offsetParent;
        }
    else if(obj.x)
        curleft += obj.x;
    return curleft;
}
function findPosY(obj) {
    var curtop = 0;
    if(obj.offsetParent)
        while(1)
        {
          curtop += obj.offsetTop;
          if(!obj.offsetParent)
            break;
          obj = obj.offsetParent;
        }
    else if(obj.y)
        curtop += obj.y;
    return curtop;
}

function addToWishlist() {
  document.getElementById('shop_wishlist_toggle').value='1';
  document.getElementById('shop_product_form').submit();
  return false;
}


// For shop - when using additional products, check if any are ticked

function checkTickedProducts(thisFormId) {
  thisForm = document.getElementById(thisFormId);
  numExtra = thisForm.num_extra.value;
  if(thisForm.xtra_val_1) {
    noneTicked=1;
    for (x=1; x<=numExtra; x++) {
      thisElement=eval("thisForm.xtra_bool_"+x);
      if(thisElement.checked) {
        noneTicked=0;
      }
    }
    if (noneTicked==1) {
      alert('Please tick the items you require before adding to cart');
      return false;
    }
  }
  else {
    return true;
  }
}

// Cart accessories 

function shopCartShowAccessories(catId) {  
  var accContainer = document.getElementById('shop_cart_accessories_products');
  var accArr = eval('accessories_' + catId);
  accContainer.innerHTML = '';
  for (var i=0; i < accArr.length; i++) { 
    var lineHTML = '<div class="shop_cart_accessories_product">';
    lineHTML += '<img src="/?page_type=show_image&amp;w=120&amp;h=85&amp;img=' + accArr[i]['image'] + '" alt="' + accArr[i]['short_description'] + '" />';
    lineHTML += '<a href="/?page=shop&amp;action=addtocart&amp;additem=' + accArr[i]['id'] + '&amp;show_acc=' + catId + '">Add to basket</a>';
    lineHTML += '<b>&pound;' + accArr[i]['price'] + ' <span class="smalltext">' + accArr[i]['unit'] + '</span></b>';
    lineHTML += '<h2>' + accArr[i]['short_description'] + '</h2>';
    lineHTML += '<div>' + accArr[i]['long_description'] + '</div>';
    lineHTML += '</div>';
    accContainer.innerHTML += lineHTML;
  }
  accContainer.style.display = 'block';
  window.location.hash = "accessories";
}

// tidy strings before passing via query string

function parseQS(str) {
  str = str.replace(/\%/g, '[percent]');
  str = encodeURIComponent(str);
  str = str.replace(/\%5Bpercent\%5D/g, '%25'); 
  return str;
}

// get all input names within element

function getAllInputs(el) {
  var oChild = el.firstChild;
  var inputsArr = [];
  if (oChild) {    
    while(oChild) {
      var oChildChild = oChild.firstChild;
      if (oChildChild) {
        var elsArr = getAllInputs(oChild);
        if (elsArr.length > 0)
          inputsArr = inputsArr.concat(elsArr);
      }
      if (oChild.name && typeof oChild.name != 'undefined') {
        inputsArr.push(String(oChild.name)); 
      }
      oChild = oChild.nextSibling;
    }
  }
  return inputsArr.unique();
}

// Strip HTML tags

function stripTags(strMod){
    if (arguments.length<3) strMod=strMod.replace(/<\/?(?!\!)[^>]*>/gi, '');
    else{
        var IsAllowed=arguments[1];
        var Specified=eval("["+arguments[2]+"]");
        if(IsAllowed){
            var strRegExp='</?(?!(' + Specified.join('|') + '))\b[^>]*>';
            strMod=strMod.replace(new RegExp(strRegExp, 'gi'), '');
        }else{
            var strRegExp='</?(' + Specified.join('|') + ')\b[^>]*>';
            strMod=strMod.replace(new RegExp(strRegExp, 'gi'), '');
        }
    }
    return strMod;
}

// Confirmations

function confirmAction(msg) {
  if (!msg) var msg = 'Are you sure you wish to delete this item?';
  return confirm(msg);
}

// Popup windows 

var newwin;

function launchwin(winurl,winname,winfeatures) {
	    
  if(newwin) { newwin.close(); }
  newwin = window.open(winurl,winname,winfeatures);
  newwin.focus();
}

function placeFocus() {
  if (document.forms.length > 0) {
    var field = document.forms[0];
      for (i = 0; i < field.length; i++) {
        if ((field.elements[i].type == "text") || (field.elements[i].type == "textarea") || (field.elements[i].type.toString().charAt(0) == "s")) {
        document.forms[0].elements[i].focus();
        break;
        }
      }
  }
} 

function showModalInfo(e, itemType, itemId) {
  var modalBox = document.getElementById('modal_info_container');
  
  if (!e) var e = window.event;  
  var currentPosX = e.pageX - 50;
  var currentPosY = e.pageY - 100;
  
  modalBox.style.left = currentPosX + 'px';
  modalBox.style.top = currentPosY + 'px'; 
  modalBox.style.display = 'block';
  
  updateDiv('modal_info_content', '/', 'page_type=modal_content&type=' + itemType + '&id=' + itemId, 'html', 1);
}

function hideModalInfo() {
  var modalBox = document.getElementById('modal_info_container');
  var modalContent = document.getElementById('modal_info_content');
  modalContent.innerHTML = '';
  modalBox.style.display = 'none';
}

// Return characters pressed, in input boxes etc, and filter (e.g. numbers only)

function getkey(e) {
  if (window.event)
   return window.event.keyCode;
  else if (e)
   return e.which;
  else
   return null;
}

function swapimage(imageid, imagefile) {
  document.getElementById(imageid).src = 'library/images/' + imagefile;
}

function goodchars(e, goods) {

  var key, keychar;
  key = getkey(e);
  if (key == null) return true;

  // get character
  keychar = String.fromCharCode(key);
  keychar = keychar.toLowerCase();
  goods = goods.toLowerCase();

  // check goodkeys
  if (goods.indexOf(keychar) != -1)
	return true;

  // control keys
  if ( key==null || key==0 || key==8 || key==9 || key==13 || key==27 )
     return true;

  // else return false
  return false;
}

function changeqty(dir, id) {

  currentqty = parseInt(document.getElementById(id).value);
  if (dir=='up') document.getElementById(id).value = currentqty+1;
  else if (dir=='down' && currentqty > 1)
    document.getElementById(id).value = currentqty-1;
  else if (dir=='down' && currentqty < 2)
    document.getElementById(id).value = 1;
}

function checksearch(searchform,searchbox)
{
  if (document.forms[searchform].elements[searchbox].value == "") {
    alert( "Please enter your criteria in the search box." );
    document.forms[searchform].elements[searchbox].focus();
    return false;
  }
  else if (document.forms[searchform].elements[searchbox].value.length < 3) {
    alert( "Search term should be more than 2 characters" );
    document.forms[searchform].elements[searchbox].focus();
    return false;
  }
  else return true;
}

function showFormComment(fieldId) {
  document.getElementById('form_comment_' + fieldId).style.display = 'block';
}

function checkAndShowCommentBox(fieldId, formName) {
  var specialConcat = document.getElementById('_special_' + fieldId).value;
  var specialIndexes = specialConcat.split(',');
  var formField = document.getElementById('_form_' + fieldId);
  if (formField.type == 'hidden') {  // if hidden, then we're looking for a radio selection instead, using name instead of ID    
    var radioObject = eval('document.' + formName + '.' + '_form_' + fieldId + ';');
    var radioObjectNum = (radioObject.length == 'undefined') ? 1 : radioObject.length;
    var radioChecked = 0;
    for(var r = 0; r < radioObjectNum; r++) {
      if(radioObject[r].checked) {
        var fieldSelected = r - 1;
        break;
      }
    }
  }
  else {
    var fieldSelected = formField.selectedIndex - 1;
  }
  var key = '';
  for (key in specialIndexes) {
    if (specialIndexes[key] == fieldSelected) {
      showFormComment(fieldId);
      var comments = 1;
    }
  }
  if (comments != 1) {
    document.getElementById('form_comment_' + fieldId).style.display = 'none';
  }
}

function formsDisabledWarning(inputObj) {
  alert('Please view the attachment before answering this question.');
  inputObj.blur();
}

function formsEnableField(fieldId) { 
  fieldObj = document.getElementById('_form_' + fieldId);
  fieldObj.onfocus = '';
}

  function commentsEditComment(commentId) {
    var commentDiv = document.getElementById('comments_comment_body_' + commentId);
    var parentDiv = commentDiv.parentNode;
    var commentText = commentDiv.innerHTML;
    
    commentText = commentText.replace(/<br \/>/gi, '');
    commentText = commentText.replace(/<br>/gi, '');
    var boxWidth = parentDiv.offsetWidth - 100;
    
    var thisURL = window.location.pathname + '#comments' + commentId; 
    
    var newHTML = '<form action="' + thisURL + '" method="post" id="comment_submit_' + commentId + '">';
    newHTML += '<input type="hidden" name="save_comment" value="1" />';
    newHTML += '<input type="hidden" name="cid" value="' + commentId + '" />';    
    newHTML += '<textarea name="comment" id="comment_new_text_' + commentId + '" class="inputbox" style="display:block;margin-bottom:5px;float: left;height: 100px;width:' + boxWidth + 'px;">' + commentText + '</textarea>';
    newHTML += '<input type="submit" class="button" value="Save changes" />';
    newHTML += '</form>';
    
    commentDiv.innerHTML = newHTML;
  }

function show_ee() {
  //
}

function shopSlideShow(imagesDelim, width, height,offSet) {
  width = window.innerWidth || document.documentElement.clientWidth;
  height = window.innerHeight || document.documentElement.clientHeight; 
  width = width - 100;
  height = height - 100;  
  width = width > 900 ? 900 : width;
  height = height > 700 ? 700 : height;
  
  var imagesArr = imagesDelim.split(',');
  var firstImg = '/?page_type=show_image&img=' + imagesArr[0] + '&w=' + width + '&h=' + height + '&canvas=frame&bgcolour=ffffff&q=90';
  var callBack = 'shopSlideShowGenerate(\'' + addslashes(imagesDelim) + '\', ' + width + ', ' + height + ', \'' + offSet + '\')';
  manualiBox(firstImg, 'type=1&width=' + (width) + '&height=' + (height), callBack);
  shopSlideShowGenerate(addslashes(imagesDelim), width, height, offSet);
}
function shopSlideShowGenerate(imagesDelim, width, height, offSet) {
  var contentDiv = document.getElementById('ibox_content');
  var imagesArr = imagesDelim.split(','); 
  var len = imagesArr.length;
  var randNum = Math.floor((Math.random()*100000)+1); 
  var thisContainer = 'gallery_slider_' + randNum;
  var htmlStr = '<div class="slideshow_gallery_slider" style="overflow:hidden;" id="' + thisContainer + '">';
  for(var i=0; i < len; i++) {
	  htmlStr += '<img src="/?page_type=show_image&img=' + imagesArr[i] + '&w=' + width + '&h=' + height + '&canvas=crop&q=90&bgcolour=ffffff" alt="" />';
  }
  htmlStr += '</div>'; 
  contentDiv.innerHTML = htmlStr; 
  var thisSlider = new bumbleSlider(thisContainer, width, height, 2000, 2000, offSet, 1, 'slide', 1);
}

function embedCourseExam(examModrw, divId) {
  updateDiv(divId,'','page_type=course_exam&exam_modrw=' + examModrw,'html',1);
}
function proceedCourseAnswer(obj, attemptId, examModrw, questionKey, answerKey, validateBool) {
  var parentId = obj.parentNode.id;
  var validateQS = validateBool == 1 ? '&validate=1&answer_key=' + answerKey + '&question_key=' + questionKey: '';
  updateDiv(parentId,'','page_type=course_exam&attempt_id=' + attemptId + '&exam_modrw=' + examModrw + validateQS,'html',0);
}

function addslashes(str) {
  str=str.replace(/\\/g,'\\\\');
  str=str.replace(/\'/g,'\\\'');
  str=str.replace(/\"/g,'\\"');
  str=str.replace(/\0/g,'\\0');
  return str;
}
function stripslashes(str) {
  str=str.replace(/\\'/g,'\'');
  str=str.replace(/\\"/g,'"');
  str=str.replace(/\\0/g,'\0');
  str=str.replace(/\\\\/g,'\\');
  return str;
}

function findPosX(obj)
  {
    var curleft = 0;
    if(obj.offsetParent)
        while(1) 
        {
          curleft += obj.offsetLeft;
          if(!obj.offsetParent)
            break;
          obj = obj.offsetParent;
        }
    else if(obj.x)
        curleft += obj.x;
    return curleft;
  }

  function findPosY(obj)
  {
    var curtop = 0;
    if(obj.offsetParent)
        while(1)
        {
          curtop += obj.offsetTop;
          if(!obj.offsetParent)
            break;
          obj = obj.offsetParent;
        }
    else if(obj.y)
        curtop += obj.y;
    return curtop;
  }


function getStats() {
  
  var screenres;
  var screencolor;
  var flashvn;
  var browser;
  var browservn;
  var os;
  
  if (screen.width) screenres=screen.width+" x "+screen.height;
  else screenres="Unknown";
  
  if (screen.colorDepth) screencolor=screen.colorDepth;
  else screencolor="Unknown";
  
    browser='';
  browservn='';
  
  alert("Screen res: "+screenres+", "+screencolor+" bit\nBrowser: "+browser+" "+browservn);
  
}

function listCategoryTree(type, containerId, parentId, divPrefix) {
  if (!divPrefix) var divPrefix = containerId;
  updateDiv(containerId,'','page_type=output_categories&parent_id=' + parentId + '&type=' + type + '&container_id=' + containerId + '&div_prefix=' + divPrefix,'html',0,'');
}
function swapGalImg(parentDiv, imgFile) {
  var containerDiv = document.getElementById(parentDiv);
  if (containerDiv != null) {
    // get width and height
    var largeWidth = containerDiv.clientWidth;
    var largeHeight = containerDiv.clientHeight;
    var largeImgFile = '/?page_type=show_image&img=' + imgFile + '&w=' + largeWidth + '&h=' + largeHeight + '&canvas=crop';
    var fullImgFile = '/library/images/' + imgFile;
    // make sure container is positioned relatively
    containerDiv.style.position = 'relative';
    containerDiv.style.overflow = 'hidden';
    // loop elements to find image
    var oChild = containerDiv.firstChild;
    if (oChild) {
      while(oChild) {
        if ((oChild.tagName == 'img' || oChild.tagName == 'IMG') && oldImg == null) {
          var oldImg = oChild;
        }
        else {
          oChild.parentNode.removeChild(oChild);
        }
        oChild = oChild.nextSibling;
      }
    }
    // if old image exists
    if (oldImg != null) {
      // position top left
      oldImg.style.position = 'absolute';
      oldImg.style.top = 0;
      oldImg.style.left = 0;
      oldImg.style.zIndex = 10;
    }
    // create new element and position top left, zindex 0
    var newImg = document.createElement("img");
    newImg.src = largeImgFile;
    newImg.style.position = 'relative';
    newImg.style.zIndex = 0;
    newImg.style.top = 0;
    newImg.style.left = 0;
    newImg.style.cursor = 'pointer';
    newImg.onclick = function() { manualiBox(fullImgFile) }
    containerDiv.appendChild(newImg);
    // fade out old one, callback destroy
    if (oldImg != null) {
      var fadeOut = new bumbleTransitionObj(oldImg, 'opacity', 100, 0, '', 500, 'cos', '', 'if (this.obj.parentNode != null) this.obj.parentNode.removeChild(this.obj)', 100);
    }
    // new img onclick = ibox
  }
}