var xmlHttp;
var globalLinkString;

function closeEvent()
{
	var divEvent = document.getElementById('darkWrapper').style;
	document.getElementById("calendarInfo").src =  "";
	divEvent.display = 'none';
}

function displayEvent(linkString)
{
		globalLinkString = linkString;
		xmlHttp=GetXmlHttpObject();
		
		 if (xmlHttp==null)
		  {
		  	alert ("Browser does not support HTTP Request");
		  	return;
		  } 
		 var url= linkString;
 		xmlHttp.onreadystatechange=stateChanged;
	 	xmlHttp.open("GET",url,true);
	 	xmlHttp.send(null);		 
}

function stateChanged() 
{ 
	if (xmlHttp.readyState==1)
	{
		document.getElementById("darkWrapper").style.display = "block";
		document.getElementById("loadingEvent").style.display = "block";
	}
	
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
	{
		document.getElementById("loadingEvent").style.display = "none";
		document.getElementById("calendarInfo").src =  globalLinkString;
		//xmlDoc=xmlHttp.responseText;
	}
} 

function GetXmlHttpObject()
 { 
 var objXMLHttp=null;
 if (window.XMLHttpRequest)
  {
  objXMLHttp=new XMLHttpRequest();
  }
 else if (window.ActiveXObject)
  {
  objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP");
  }
 return objXMLHttp;
 }