function addEvent( obj, type, fn ) {
	if (obj.addEventListener) {
		obj.addEventListener( type, fn, false );
		EventCache.add(obj, type, fn);
	}
	else if (obj.attachEvent) {
		obj["e"+type+fn] = fn;
		obj[type+fn] = function() { obj["e"+type+fn]( window.event ); }
		obj.attachEvent( "on"+type, obj[type+fn] );
		EventCache.add(obj, type, fn);
	}
	else {
		obj["on"+type] = obj["e"+type+fn];
	}
}

var EventCache = function(){
	var listEvents = [];
	return {
		listEvents : listEvents,
		add : function(node, sEventName, fHandler){
			listEvents.push(arguments);
		},
		flush : function(){
			var i, item;
			for(i = listEvents.length - 1; i >= 0; i = i - 1){
				item = listEvents[i];
				if(item[0].removeEventListener){
					item[0].removeEventListener(item[1], item[2], item[3]);
				};
				if(item[1].substring(0, 2) != "on"){
					item[1] = "on" + item[1];
				};
				if(item[0].detachEvent){
					item[0].detachEvent(item[1], item[2]);
				};
				item[0][item[1]] = null;
			};
		}
	};
}();

function linkopen(linkref){
	window.location.href(linkref);
}

function display(id){
	if(document.getElementById(id).style.display=='none'){
	document.getElementById(id).style.display='block';
	}else{
	document.getElementById(id).style.display='none';
	}
}

function addduration(form){
	
var chk1=performCheck('adddurationform', rules, 'classic'); 




	if(chk1==true){
		

var xmlHttp;
  try
    {
    // Firefox, Opera 8.0+, Safari
    xmlHttp=new XMLHttpRequest();
    }
  catch (e)
    {
    // Internet Explorer
    try
      {
      xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
      }
    catch (e)
      {
      try
        {
        xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
        }
      catch (e)
        {
        alert("Your browser does not support AJAX!");
        return false;
        }
      }
    }




xmlHttp.onreadystatechange=function()
	{
if(xmlHttp.readyState==4)
        {
	
	var response=xmlHttp.responseText;
	response=trim(response);
	
//alert('ss'+response+'11')
  
  if(response=='success'){
			alert('Added')
		}
		
        }
      }
	  
duration=form.duration.value;
category=form.category.value;
rand=calcRand();

url="ajaxaddduration.php?duration="+duration+"&category="+category+"&rand="+rand;
xmlHttp.open("GET",url,true);
xmlHttp.send(null); 

	  
	}
}


function checkupload(var1){
var1;
var2=var1.split(".");
len=var2.length;
ext=var2[len-1];
allow=new Array("xls");
var3='';
for(i=0;i<allow.length;i++){
if(allow[i]==ext){
var3=true;
}

}

if(var3==true){
document.fltupload.submit();
	}else{
document.getElementById('message').style.display='block';
document.getElementById('message').innerHTML='Status: Invalid file type';
	}
}