var xmlDoc = null;;

function preloadimg()
{
	var loader = "";
	var morning = "";
	var day = "";
	var afternoon = "";
	var night = "";
	var wmp = "";
	var wmpl = "";
	var winamp = "";
	var winampl = "";
	var rp = "";
	var rpl = "";
	
	loader = new Image(16,16); 
	loader.src = "images/icons/ajax-loader.gif";
	morning = new Image(30,30); 
	morning.src = "images/icons/morning.png";
	day = new Image(30,30); 
	day.src = "images/icons/day.png";
	afternoon = new Image(30,30); 
	afternoon.src = "images/icons/afternoon.png";
	night = new Image(30,30); 
	night.src = "images/icons/night.png";
	wmp = new Image(246,40);
	wmp.src = "images/bg-listen-wmp.png";
	wmpl = new Image(246,40);
	wmpl.src = "images/bg-listen-wmpl.png";
	winamp = new Image(246,40);
	winamp.src = "images/bg-listen-winamp.png";
	winampl = new Image(246,40);
	winampl.src = "images/bg-listen-winampl.png";
	rp = new Image(246,40);
	rp.src = "images/bg-listen-rp.png";
	rpl = new Image(246,40);
	rpl.src = "images/bg-listen-rpl.png";
}

function presSch(day)
{
	//ajax loader graphic
	document.getElementById("schedule").innerHTML = "<img class=\"ajaxloader\" src=\"images/icons/ajax-loader.gif\" width=\"16\" height=\"16\" border=\"0\" alt=\"Loading....\" />";
	
	window.setTimeout('loadSch(\"'+day+'\")',800);
}

function loadSch(day)
{
	//this function loads the appropriate XML schedule file for display in a table
	try //Internet Explorer
	  {
	  xmlDoc=new ActiveXObject("Microsoft.XMLDOM");
	  }
	catch(e)
	  {
	  try //Firefox, Mozilla, Opera, etc.
		{
		xmlDoc=document.implementation.createDocument("","",null);
		}
	  catch(e)
		{
		alert(e.message);
		return;
		}
	  }
	xmlDoc.async=false;
	xmlDoc.load("xml/schedule/"+day+".xml");
	var x=xmlDoc.getElementsByTagName("show");
	var html = "<table>";
	var i = 0;
	for (i=0;i<x.length;i++)
	{
		html += "<tr><td class=\"sch_1\"><img src=\"images/icons/"+x[i].getElementsByTagName("image")[0].childNodes[0].nodeValue+"\" width=\"30\" height=\"30\" border=\"0\" alt=\""+x[i].getElementsByTagName("image")[0].childNodes[0].nodeValue+"\" /></td><td class=\"sch_2\">"+x[i].getElementsByTagName("time")[0].childNodes[0].nodeValue+"</td><td class=\"sch_2\">"+x[i].getElementsByTagName("presenter")[0].childNodes[0].nodeValue+"</td></tr>";
	}
	html += "</table>";
	document.getElementById("schedule").innerHTML = html;	
}