var xmlHttp

function viewChannel(channelid)
{  	
 	xmlHttp=GetXmlHttpObject()
 	
 	if (xmlHttp==null)
 	{
		alert ("Browser does not support HTTP Request")
		return
  	}
  	
	switch(channelid)
	{
		case 1:
			var url="calathletics.html";
			break;    
		case 2:
			var url="financialaid.html";
			break;
		case 3:
			var url="jobs.html";
			break;			
		default:
			var url="calathletics.html";
	}	
	
	xmlHttp.onreadystatechange=stateChanged 
	xmlHttp.open("GET",url,true)
	xmlHttp.send(null)
}

function stateChanged() 
{
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
 	{ 
 		document.getElementById("channel").innerHTML = xmlHttp.responseText
 	}
 	else
 	{
 		document.getElementById("channel").innerHTML = "<img src='../img/wait.gif' />"
 	}
}

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;
}