function update_inst_list(country) {
	return makeAjaxCall("http://www.topuniversities.com/fileadmin/php/ajax_institution_list.php?countrycode="+country, "div=institution_country_holder");
	//alert(country);
}

function replace_innerhtml(str, elem_id) {
	//alert('replacing: '+elem_id);
	document.getElementById(elem_id).innerHTML=str;
}

function makeAjaxCall(url, custom_func)
{ 	
			
	xmlHttp=GetXmlHttpObject();
	custom_func = custom_func;
	cmd_result = '';
	if (xmlHttp==null) {
		alert ("Browser does not support HTTP Request");
	    return;
	}
	url=url+"&sid="+Math.random();	
//xmlHttp.onreadystatechange=stateChanged;
	xmlHttp.onreadystatechange = function() { 
	  // alert(xmlHttp.status);
	   if (xmlHttp.readyState == 4) { 
		   if (xmlHttp.status == 200) { 
		   	  // alert(xmlHttp.responseText);
			  // alert(custom_func);
			   if(custom_func.substr(0, 4)=="div=") {
					custom_func = custom_func.substr(4);
					//alert('replace_innerhtml(xmlHttp.responseText, "'+custom_func+'")');
			   		eval('replace_innerhtml(xmlHttp.responseText, "'+custom_func+'")'); //if the function is going to replace a div, then do this automatically here
					//alert('replace_innerhtml(xmlHttp.responseText, "'+custom_func+'")');
					return true;
			   }
		   } else { 
			   alert('There was a problem with the request. \n\n(Code: ' + xmlHttp.status + ')'); 
			   //alert(url);
		   } 
	   } 
	}
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
	//if(cmd_result!="") return cmd_result;
}

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;
}


function goto(url) {
	top.location.href=url;	
}

function switch_html_page(to, total, link_elem) {
	for(var i=0;i<total;i++) {
		document.getElementById('page_'+i).style.display='none';	
		document.getElementById('switcher_'+i).style.fontWeight='normal';	
	}
	document.getElementById('page_'+to).style.display='block';
	document.getElementById('switcher_'+to).style.fontWeight='bold';
}

function program_details(prog_id) {
	var y = window.open('http://www.topuniversities.com/index.php?id=1373&m=school_profile&p=program&popup=true&program_id='+prog_id, 'progwin', 'width=700,height=400,resizable=yes,scrollbars=yes');
	y.focus();
}
		
var horizontal_offset="12px" //horizontal offset of hint box from anchor link

/////No further editting needed

var vertical_offset="0" //horizontal offset of hint box from anchor link. No need to change.
var ie=document.all
var ns6=document.getElementById&&!document.all

function getposOffset(what, offsettype){
var totaloffset=(offsettype=="left")? what.offsetLeft : what.offsetTop;
var parentEl=what.offsetParent;
while (parentEl!=null){
totaloffset=(offsettype=="left")? totaloffset+parentEl.offsetLeft : totaloffset+parentEl.offsetTop;
parentEl=parentEl.offsetParent;
}
return totaloffset;
}

function iecompattest(){
return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
}

function clearbrowseredge(obj, whichedge){
var edgeoffset=(whichedge=="rightedge")? parseInt(horizontal_offset)*-1 : parseInt(vertical_offset)*-1
if (whichedge=="rightedge"){
var windowedge=ie && !window.opera? iecompattest().scrollLeft+iecompattest().clientWidth-30 : window.pageXOffset+window.innerWidth-40
dropmenuobj.contentmeasure=dropmenuobj.offsetWidth
if (windowedge-dropmenuobj.x < dropmenuobj.contentmeasure)
edgeoffset=dropmenuobj.contentmeasure+obj.offsetWidth+parseInt(horizontal_offset)
}
else{
var windowedge=ie && !window.opera? iecompattest().scrollTop+iecompattest().clientHeight-15 : window.pageYOffset+window.innerHeight-18
dropmenuobj.contentmeasure=dropmenuobj.offsetHeight
if (windowedge-dropmenuobj.y < dropmenuobj.contentmeasure)
edgeoffset=dropmenuobj.contentmeasure-obj.offsetHeight
}
return edgeoffset
}

function showhint(menucontents, obj, e, tipwidth){
if ((ie||ns6) && document.getElementById("hintbox")){
dropmenuobj=document.getElementById("hintbox")
dropmenuobj.innerHTML=menucontents
dropmenuobj.style.left=dropmenuobj.style.top=-500
if (tipwidth!=""){
dropmenuobj.widthobj=dropmenuobj.style
dropmenuobj.widthobj.width=tipwidth
}
dropmenuobj.x=getposOffset(obj, "left")
dropmenuobj.y=getposOffset(obj, "top")
dropmenuobj.style.left=dropmenuobj.x-clearbrowseredge(obj, "rightedge")+obj.offsetWidth+"px"
dropmenuobj.style.top=dropmenuobj.y-clearbrowseredge(obj, "bottomedge")+"px"
dropmenuobj.style.visibility="visible"
obj.onmouseout=hidetip
}
}

function hidetip(e){
dropmenuobj.style.visibility="hidden"
dropmenuobj.style.left="-500px"
}

function createhintbox(){
var divblock=document.createElement("div")
divblock.setAttribute("id", "hintbox")
document.body.appendChild(divblock)
}

if (window.addEventListener)
window.addEventListener("load", createhintbox, false)
else if (window.attachEvent)
window.attachEvent("onload", createhintbox)
else if (document.getElementById)
window.onload=createhintbox