//create ajax request object
var request = null;
function createRequest() {
	try {
		request = new XMLHttpRequest();
	} catch (trymicrosoft) {
		try {
			request = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (othermicrosoft) {
			try {
				request = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (failed) {
				request = null;
			}
		}
	}
	if (request == null)
		alert("Error creating request object!");
}
//end ajax request object function
//Change selected class
function swapClass(id, newClass) {
var identity=document.getElementById(id);
identity.className=newClass;
}
// Show Layer only
function showLayer(whichLayer) {
	if (document.getElementById) {
		var style2 = document.getElementById(whichLayer).style;
		style2.display = style2.display? "block":"block";
	} else if (document.all) {
		var style2 = document.all[whichLayer].style;
		style2.display = style2.display? "block":"block";
	} else if (document.layers) {
		var style2 = document.layers[whichLayer].style;
		style2.display = style2.display? "block":"block";
	}
}
// Hide Layer only
function hideLayer(whichLayer) {
	if (document.getElementById) {
		var style2 = document.getElementById(whichLayer).style;
		style2.display = style2.display? "none":"none";
	} else if (document.all) { 
		var style2 = document.all[whichLayer].style;
		style2.display = style2.display? "none":"none";
	} else if (document.layers) {
		var style2 = document.layers[whichLayer].style;
		style2.display = style2.display? "none":"none";
	}
}
function getSponsor(id) {
    createRequest();
    
	var url = "sponsor.aspx?id=" + id;
	request.open("GET", url, true);
	request.onreadystatechange = updateSponsor;
	request.send(null);
}
function updateSponsor() {
	if (request.readyState == 4) {
		if (request.status == 200) {
			var banner = request.responseText;
			document.getElementById("sponsorPosition").innerHTML = banner;
		}
		else {
		alert("Error! Request status is " + request.status);
		}
	}
}
function selectClass1() {
	swapClass('Gold1','selected'); swapClass('Gold2','notSelected');swapClass('Gold3','notSelected'); 
}
function selectClass2() {
	swapClass('Gold2','selected'); swapClass('Gold1','notSelected');swapClass('Gold3','notSelected'); 
}
function selectClass3() {
	swapClass('Gold3','selected'); swapClass('Gold2','notSelected');swapClass('Gold1','notSelected'); 
}