subject_id = '';
	function handleHttpResponse() {
		if (http.readyState == 4) {
			if (subject_id != '') {
				//alert(http.responseText);
				document.getElementById(subject_id).innerHTML = http.responseText;
			}
		}
	}
	function getHTTPObject() {
		var xmlhttp;
		
		try{
			// Opera 8.0+, Firefox, Safari
			xmlhttp = new XMLHttpRequest();
		} catch (e){
			// Internet Explorer Browsers
			try{
				xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
			} catch (e) {
				try{
					xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
				} catch (e){
					// Something went wrong
					alert("Your browser broke!");
					return false;
				}
			}
		}
		
		return xmlhttp;
	}
	var http = getHTTPObject(); // We create the HTTP Object

	/*function getCampusPage(div_id,content_id)
	{
		var http = getHTTPObject();
		subject_id = div_id;
		content = document.getElementById(content_id).value;
		http.open("GET", "campus_page.php?content=" + escape(content), true);
		http.onreadystatechange = handleHttpResponse;
		http.send(null);
		if(content.length>0)
			box('1');
		else
			box('0');

	}	

	function highlight(action,id)
	{
	  if(action)	
		document.getElementById('word'+id).bgColor = "#C2B8F5";
	  else
		document.getElementById('word'+id).bgColor = "#F8F8F8";
	}
	function display(word)
	{
		document.getElementById('text_content').value = word;
		document.getElementById('box').style.display = 'none';
		//document.getElementById('text_content').focus();
	}
	function box(act)
	{
	  if(act=='0')	
	  {
		document.getElementById('box').style.display = 'none';

	  }
	  else
		document.getElementById('box').style.display = 'block';
	}*/
	
	function getSubjectList(degree_id, subj_id)
	{
		
		subject_id = "span_subj";
		//alert(degree_id+"-"+subject_id);
		var http = getHTTPObject();
		http.onreadystatechange =  function(){
			if(http.readyState == 4){
			//alert(ajaxRequest.responseText);
				document.getElementById(subject_id).innerHTML = http.responseText;
				document.getElementById(subject_id).style.display = 'inline';
				//alert(http.responseText);
			//alert(document.getElementById('showMsg').innerHTML);	
			}
		}
		//alert("getSubjects.php?deg_id="+degree_id+"&id="+sub_id+"&r="+Math.random(1000));
		http.open("GET", "getSubjects.php?deg_id="+degree_id+"&sid="+subj_id+"&r="+Math.random(1000), true);
		http.send(null);	
		
	//	document.getElementById(subject_id).innerHTML = 
		
		
	}
	
	
	var divId=null;	
function setOutput(){
	if(http.readyState == 4){ 
		document.getElementById("load").style.display="none";	
		document.getElementById(divId).innerHTML= http.responseText;		
	}
	if(http.readyState < 4){
		document.getElementById("load").style.display="block";	
		
	}
}
	function getDivContent(id,url){
     divId=id;
	// alert(id);
	http = getHTTPObject();
	if (http != null) {
		http.open("GET", url+"&r="+Math.random(1000), true);
		http.send(null);
		http.onreadystatechange = setOutput;
	}
}