var enableCache = true;
var jsCache = new Array();
var dynamicContent_ajaxObjects = new Array();
function ajax_showContent(divId,ajaxIndex,url,callbackOnComplete)
{
var targetObj=document.getElementById(divId);
targetObj.innerHTML=dynamicContent_ajaxObjects[ajaxIndex].response;
if(enableCache)
{
jsCache[url]=dynamicContent_ajaxObjects[ajaxIndex].response;
}
dynamicContent_ajaxObjects[ajaxIndex]=false;
ajax_parseJs(targetObj);
if(callbackOnComplete)
{
executeCallback(callbackOnComplete);
}
}

function executeCallback(callbackString)
{
if(callbackString.indexOf('(')==-1)
{
callbackString = callbackString + '()';
}
try
{
eval(callbackString);
}
catch(e)
{
}
}

function ajax_loadContent(divId,url,callbackOnComplete)
{
if(enableCache && jsCache[url])
{
document.getElementById(divId).innerHTML = jsCache[url];
ajax_parseJs(document.getElementById(divId))
evaluateCss(document.getElementById(divId))
if(callbackOnComplete)
{
executeCallback(callbackOnComplete);
}		
return;
}

var ajaxIndex = dynamicContent_ajaxObjects.length;
document.getElementById(divId).innerHTML='<center><middle>Now Loading</middle></center>';
dynamicContent_ajaxObjects[ajaxIndex] = new sack();
if(url.indexOf('?')>=0)
{
dynamicContent_ajaxObjects[ajaxIndex].method='GET';
var string = url.substring(url.indexOf('?'));
url = url.replace(string,'');
string = string.replace('?','');
var items = string.split(/&/g);
for(var no=0;no<items.length;no++)
{
var tokens = items[no].split('=');
if(tokens.length==2)
{
dynamicContent_ajaxObjects[ajaxIndex].setVar(tokens[0],tokens[1]);
}	
}	
url = url.replace(string,'');
}
dynamicContent_ajaxObjects[ajaxIndex].requestFile = url;
dynamicContent_ajaxObjects[ajaxIndex].onCompletion = function(){ ajax_showContent(divId,ajaxIndex,url,callbackOnComplete); };
dynamicContent_ajaxObjects[ajaxIndex].runAJAX();
}

function ajax_parseJs(obj)
{
var scriptTags = obj.getElementsByTagName('SCRIPT');
var string = '';
var jsCode = '';
for(var no=0;no<scriptTags.length;no++)
{	
if(scriptTags[no].src)
{
var head = document.getElementsByTagName("head")[0];
var scriptObj = document.createElement("script");
scriptObj.setAttribute("type", "text/javascript");
scriptObj.setAttribute("src", scriptTags[no].src);  	
}
else
{
if(navigator.userAgent.toLowerCase().indexOf('opera')>=0)
{
jsCode = jsCode + scriptTags[no].text + '\n';
}
else
jsCode = jsCode + scriptTags[no].innerHTML;	
}

}

if(jsCode)
ajax_installScript(jsCode);
}

function ajax_installScript(script)
{		
if (!script)
return;		
if (window.execScript)
{        	
window.execScript(script)
}
else if(window.jQuery && jQuery.browser.safari)
{
window.setTimeout(script,0);
}
else
{        	
window.setTimeout( script, 0 );
} 
}	

function evaluateCss(obj)
{
var cssTags = obj.getElementsByTagName('STYLE');
var head = document.getElementsByTagName('HEAD')[0];
for(var no=0;no<cssTags.length;no++){
head.appendChild(cssTags[no]);
}	
}