/* **************************************
   Class definitions
   ************************************** */
   
function JsonSendToFriendDTO()
{
    this.emailTemplate;
    this.senderName;
    this.senderEmail;
    this.recipientName;
    this.recipientEmail;
    this.subject;
    this.message;
}

function init(centerOnResize) {

    var objectType = typeof centerOnResize;
    if (objectType != 'object'){
        var setCenterOnResize = new Boolean(true);
        if (centerOnResize == 'False' || centerOnResize == 'false') {
              setCenterOnResize = false;
        }
        
        if (setCenterOnResize) { 
            document.body.style.height = document.documentElement.scrollHeight+'px';
            onresize = repositionMainContainer;
        }
    }
}

function getAbsY(elm) {
	if (elm.y) return elm.y;
	pos = 0;

	while (elm != null) {
		pos += elm["offsetTop"];
		elm = elm.offsetParent;
	}

	return pos;
}

function submitForm(formObj) {
	// TODO: Probably have a check for netscape or IE here
	formObj.submit();
} // submitForm



// Remove leading and trailing whitespace from a string
function trimWhitespace(string) {
	var newString  = '';
	var substring  = '';
	beginningFound = false;

	// copy characters over to a new string
	// retain whitespace characters if they are between other characters
	for (var i = 0; i < string.length; i++) {

		// copy non-whitespace characters
		if (string.charAt(i) != ' ' && string.charCodeAt(i) != 9) {

			// if the temporary string contains some whitespace characters, copy them first
			if (substring != '') {
				newString += substring;
				substring = '';
			}
			newString += string.charAt(i);
			if (beginningFound == false) beginningFound = true;
		}

		// hold whitespace characters in a temporary string if they follow a non-whitespace character
		else if (beginningFound == true) substring += string.charAt(i);
	}
	return newString;
}

function gotoLink(sel)
{
	window.location = sel.options[sel.selectedIndex].value;
}

/* for navigating from a dropdown box */
function goToPage(theOptionValue){
   location = theOptionValue.options[theOptionValue.selectedIndex].value;
   }

// Clears the search text field when it is given the focus (if user has not entered anything)
var searchText;

function clearSearchText(formfield, text) {
	searchText = text;
	if (formfield.value == searchText) formfield.value = '';
}

// Refills the search text field on blur if it is empty
function fillSearchText(formfield) {
	if (formfield.value == '') formfield.value = searchText;
}
function isDefined(property) {
  return (typeof property != 'undefined');
}

// call init when document finishes loading
if (isDefined(window.addEventListener)) {
   window.addEventListener('load', init, false);
}
else if (isDefined(window.attachEvent)) {
   window.attachEvent('onload', init);
}

// get width of browser
function getInnerWidth(win) {
  var winWidth;
  if (navigator.userAgent.indexOf('Gecko') != -1 && navigator.userAgent.indexOf('Netscape6') == -1) {
    winWidth = win.document.body.clientWidth;
  }
  else if (document.compatMode == "CSS1Compat") {
    winWidth = win.document.documentElement.clientWidth;
  }
  else if (navigator.appName == 'Netscape') {
    winWidth = win.innerWidth;
  }
  else {
    winWidth = win.document.body.clientWidth;
  }
  return winWidth;
}

// write out style for main container
function positionMainContainer() {
   var winWidth = getInnerWidth(window);
   var left = parseInt((winWidth > 807) ? (winWidth - 807) / 2 : 0);

   doc = '<style>#mainContainer { ';
   doc += 'left: ' + left + 'px; ';
   doc += '}';
   document.write(doc + '</style>');
}

function repositionMainContainer() {
   if (document.getElementById) {
      var container = document.getElementById('mainContainer');
      var winWidth = getInnerWidth(window);

      if (document.getElementById('mainContainer'))
      {
      container.style.left = ((winWidth > 807) ? (winWidth - 807) / 2 : 0) + 'px';
	  }
   }
}
function bannerFlash() {
	if (!HasFlash) {
		var divBanner = document.getElementById('bannerID');
		var divBannerMain = document.getElementById('banner');
		
		$(divBannerMain).addClassName('displayNone');
		$(divBanner).addClassName('flashBanner');
		
		divBanner.innerHTML = '<div>We are sorry but Flash plug-in is needed to view some content on this site. If  \
							   you believe you have the flash player installed, first remove it using the Adobe \
							   Flash uninstall program and then reinstall the Flash Player. Please visit \
							   Adobe\'s web site for installation troubleshooting <br />Please click the icon to \
							   download the he latest version of Flash... <br /> \
							   <a target="_blank" href="http://www.adobe.com/shockwave/download/download.cgi?P1_Prod_Version=ShockwaveFlash"> \
							   <img src="/img/AdobeLogo.GIF" width="88px" height="31px" /> </a> </div>';
		}
}

function handleValidationError(elementId, messages)
{
    var errorMsg = i18nText.translate('E4');
    if (messages.length > 0) {
        errorMsg += "<ul>";
        for (var i = 0; i < messages.length; i++) {
            errorMsg += "<li>"+ messages[i] + "</li>";
        }
        errorMsg += "</ul>";
    }

    $(elementId).classNames().each(function(item) {
        $(elementId).removeClassName(item);
    });
    $(elementId).addClassName("validation");
   
    $(elementId).update(errorMsg);
    $(elementId).show();
}

function handleSystemExceptionError(elementId, message)
{
    var errorMsg = i18nText.translate('E4');
    errorMsg += "<ul><li>"+message+"</li><ul>";

    $(elementId).classNames().each(function(item) {
        $(elementId).removeClassName(item);
    });
    $(elementId).addClassName("error");
    
    $(elementId).update(errorMsg);
    $(elementId).show();
}

function resetFeedbackPanel(elementId)
{
    if ($(elementId) != null) {
        $(elementId).classNames().each(function(item) {
            $(elementId).removeClassName(item);
        });
        $(elementId).update();
        $(elementId).hide();
    }
}

function handleDisplayText(elementId, message)
{
   if (message != null) {
      $(elementId).innerHTML = message;
      $(elementId).show();
   }
}

function clearControl(elementId)
{
  $(elementId).innerHTML = '';
}


function rulesAndRegulationsClick() {

	new Popup('ruleAndRegulationsOverlay',null,{modal:true},{position:'center'});
	$('ruleAndRegulationsOverlay').popup.show(); 
	
	var divElement = document.getElementById('popup_overlay');
    divElement.onclick = function () { $('ruleAndRegulationsOverlay').popup.hide() };
    
    var elements = $$('select'); // implicitly hide select drop downs for browser bug
    for (var i = 0; i < elements.length; i++) {
		 elements[i].hide();
	}	
}

function privatePolicyClick() {

	new Popup('privatePolicyOverlay',null,{modal:true},{position:'center'});
	$('privatePolicyOverlay').popup.show(); 
	
	var divElement = document.getElementById('popup_overlay');
    divElement.onclick = function () { $('privatePolicyOverlay').popup.hide() };
    
    var elements = $$('select'); // implicitly hide select drop downs for browser bug
    for (var i = 0; i < elements.length; i++) {
		 elements[i].hide();
	}	
}

function showSendToFriendPopup()
{
    $('sendToFriendErrorLabel').innerHTML = "";
    $('f_subject').value=document.title;    
	new Popup('sendToFriendOverlay',null,{modal:true},{position:'center'});
	$('sendToFriendOverlay').popup.show(); 
	if($('banner'))
	{
	    $('banner').style.display = 'none';
	}

	var divElement = document.getElementById('popup_overlay');
    divElement.onclick = function () { $('sendToFriendOverlay').popup.hide();if($('banner')){$('banner').style.display = 'block';}};
    var elements = $$('select'); // implicitly hide select drop downs for browser bug
    for (var i = 0; i < elements.length; i++)
    {
		 elements[i].hide();
	}	
	return false;
}

function showSendToFriendConfirmationPopup(subject,message)
{
    $('sendToFriendOverlay').popup.hide();
	new Popup('sendToFriendConfirmationOverlay',null,{modal:true},{position:'center'});
	$('sendToFriendConfirmationOverlay').popup.show();
	if($('banner'))
	{
	    $('banner').style.display = 'none';
	}
	$('subject').innerHTML=subject;
	$('message').innerHTML=message;
	var divElement = document.getElementById('popup_overlay');
    divElement.onclick = function () { $('sendToFriendConfirmationOverlay').popup.hide();if($('banner')){$('banner').style.display = 'block';}};
    var elements = $$('select'); // implicitly hide select drop downs for browser bug
    for (var i = 0; i < elements.length; i++)
    {
		 elements[i].hide();
	}
}

function sendToFriendEmail()
{
    var jsonEmailObject = new JsonSendToFriendDTO();
      jsonEmailObject.emailTemplate = 'SendToFriend';
      jsonEmailObject.senderName = $('f_senderName').value;
      jsonEmailObject.senderEmail = $('f_senderEmail').value;
      jsonEmailObject.recipientName = $('f_friendName').value;;
      jsonEmailObject.recipientEmail = $('f_friendEmail').value;
      jsonEmailObject.subject = $('f_subject').value;
      jsonEmailObject.message = $('f_message').value;

    document.body.style.cursor= 'wait';
    var jsonSendToFriendString=Object.toJSON(jsonEmailObject);    
    new Ajax.Request('/' + locale + '/SendToFriend.json', 
    { 
        method:'get',
        parameters: {jsonString:jsonSendToFriendString},
        onSuccess: function(transport, json){
        switch(json.type) {
              case "JsonMethodMessage":
                    showSendToFriendConfirmationPopup(jsonEmailObject.subject,jsonEmailObject.message);
                    break;
              case "JsonValidationMessage":
                    handleValidationError('sendToFriendErrorLabel', json.messages)
                    break;
              case "JsonSystemExceptionMessage":
                    handleSystemExceptionError('sendToFriendErrorLabel', json.message);
                    break;
          }          
        },
        onFailure: function(){
            handleSystemExceptionError(addressType+'ErrorPanel', json.message); $('sendToFriendConfirmationOverlay').style.display = 'none';
                    $('sendToFriendOverlay').style.display = 'block';
        },
        onComplete: function(){
            document.body.style.cursor= 'default';
        }
     })
}
function sendToFriendOverlayHide()
{
    $('sendToFriendOverlay').popup.hide()
    if($('banner'))
	{
	    $('banner').style.display = 'block';
	}
}

function sendToFriendConfirmationOverlayHide()
{
    $('sendToFriendConfirmationOverlay').popup.hide()
    if($('banner'))
	{
        $('banner').style.display = 'block';
	}
}

function createPaging(pagingNamespace, containerDiv, pagingDiv, rowsPerPage, itemClassName, itemIdPrefix, pagingFunction, dictionary) 
{
    var Ex = YAHOO.namespace(pagingNamespace);
    
    if ($$('.' + itemClassName).size() > rowsPerPage) {
        // set the dictionary to use for labels
        if (dictionary == null) {
            Ex.dictionary = i18nText;
        } else {
            Ex.dictionary = dictionary;
        }
        
        Ex.content = $(containerDiv);
        Ex.handlePagination = function (state) {
            var pageItems = $(containerDiv).select('[class="' + itemClassName + '"]');
            pageItems.each(function(item) {
                item.hide();
            });        
            for (var i = state.records[0] + 1; i <= state.records[1] + 1; i++) {
                $(itemIdPrefix + i).toggle();
            }        
            // update the summary now
            var summary = $(pagingDiv).select('div.summary')[0];
            summary.innerHTML = Ex.formatSummary(state);
            
            Ex.paginator.setState(state);
        };
        Ex.formatSummary = function(state) {
        
            var minCurrent = 1;
            var maxCurrent = rowsPerPage;        
            var totalItems = $(containerDiv).select('[class="' + itemClassName + '"]').size();

            if (state != null) {
                minCurrent = state.recordOffset + 1;
                maxCurrent = minCurrent + state.rowsPerPage - 1 > totalItems ? totalItems : minCurrent + state.rowsPerPage - 1;
            } else if (maxCurrent > totalItems) {
                maxCurrent = totalItems;
            }        
            var params =  [minCurrent + ' - ' + maxCurrent, totalItems];
            return Ex.dictionary.formattedTranslate('ViewAllLabel', params);
        };
        
        Ex.paginator = new YAHOO.widget.Paginator({
            rowsPerPage : rowsPerPage,
            totalRecords : $$('[class="' + itemClassName + '"]').size(),
            containers : pagingDiv,
            previousPageLinkLabel: Ex.dictionary.translate('previousLabel'),
            nextPageLinkLabel: Ex.dictionary.translate('nextLabel'),
            template : "<div class='pagingItems'>{PreviousPageLink}{PageLinks}{NextPageLink}</div><div class='summary'>" + Ex.formatSummary() + "</div>"
        });
        
        if (pagingFunction != null) {
            Ex.paginator.subscribe('changeRequest', pagingFunction);
        } else {
            Ex.paginator.subscribe('changeRequest', Ex.handlePagination);
        }
        
        Ex.paginator.render();
        var state = Ex.paginator.getState();
        
        var pageItems = $(containerDiv).select('[class="' + itemClassName + '"]');
        pageItems.each(function(item, index) {
            if (index < rowsPerPage) {
                item.show();
            } else {
                item.hide();
            }
        });        
    }
}