var xmlHttp

function change(){
 if ($('left').style.display=='none') {
	$('left').style.display = 'block';
	$('content').style.width = '590px'; 
 }
 else {
	$('left').style.display = 'none';
	$('content').style.width = '780px';
 }
 
 
}


function loadPageAjax(page)
{ 

	xmlHttp=GetXmlHttpObject()
	if (xmlHttp==null)
	 {
	 alert ("Browser does not support HTTP Request")
	 return
	 }
	 
	var url=page;

	xmlHttp.onreadystatechange=function stateChanged() {stateChangedOK2('content',xmlHttp)} 
	xmlHttp.open("GET",url,true)
	xmlHttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded; charset=iso-8859-2') 
	xmlHttp.send(null)
			
}



function stateChangedOK2(elementName, httpClass) 
{
	if (httpClass.readyState==4 || httpClass.readyState=="complete")
	 { 
		$(elementName).innerHTML=httpClass.responseText 
	 }
	 else if (httpClass.readyState==3) {
		$(elementName).innerHTML='<center><img src="ajax-loader.gif" alt="Töltés..." /></center>'; 
	 }
	 else if (httpClass.readyState==2) {
		$(elementName).innerHTML='<center><img src="ajax-loader.gif" alt="Töltés..." /></center>'; 
	 }
	 else if (httpClass.readyState==1) {
		$(elementName).innerHTML='<center><img src="ajax-loader.gif" alt="Töltés..." /></center>'; 
	 }


}

function GetXmlHttpObject()
{
	var xmlHttp=null;
	try
	 {
	 // Firefox, Opera 8.0+, Safari
	 xmlHttp=new XMLHttpRequest();
	 }
	catch (e)
	 {
	 //Internet Explorer
	 try
	  {
	  xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
	  }
	 catch (e)
	  {
	  xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
	  }
	 }
	return xmlHttp;
}