// Generic rollover functions

function overImage(imgName) {
	if (document.images) {
		imgOn = eval(imgName + "on.src");
		document [imgName].src = imgOn;	
	}
}

function offImage(imgName) {
	if (document.images) {
		imgOff = eval(imgName + "off.src");
		document [imgName].src = imgOff;	
	}
}

function loadImages() {
	programson = new Image();
	programson.src = "/images/programs1.gif";
	programsoff = new Image();
	programsoff.src = "/images/programs0.gif";
	howtoapplyon = new Image();
	howtoapplyon.src = "/images/howtoapply1.gif";
	howtoapplyoff = new Image();
	howtoapplyoff.src = "/images/howtoapply0.gif";
	abouton = new Image();
	abouton.src = "/images/about1.gif";
	aboutoff = new Image();
	aboutoff.src = "/images/about0.gif";
	historyon = new Image();
	historyon.src = "/images/history1.gif";
	historyoff = new Image();
	historyoff.src = "/images/history0.gif";
	staffon = new Image();
	staffon.src = "/images/staff1.gif";
	staffoff = new Image();
	staffoff.src = "/images/staff0.gif";
	newson = new Image();
	newson.src = "/images/news1.gif";
	newsoff = new Image();
	newsoff.src = "/images/news0.gif";
	contacton = new Image();
	contacton.src = "/images/contact1.gif";
	contactoff = new Image();
	contactoff.src = "/images/contact0.gif";
	searchon = new Image();
	searchon.src = "/images/search1.gif";
	searchoff = new Image();
	searchoff.src = "/images/search0.gif";
}

if (document.images) {
	loadImages();
}

// Returns a handle to the named layer.

function getLayer(name) {

	if (document.layers) {
		return(document.layers[name]);
	}
	else {
		layer = document.getElementById(name);
		if (layer) {
			return(layer);
		} else {
			return(null);
		}
	}
}

// Hides the named layer

function hideLayer(name) {

	var layer = getLayer(name);

	if (layer.style) {
		layer.style.visibility="hidden";	
	} else {
		layer.visibility="hide";
	}

}

// Shows the named layer

function showLayer(name) {

	var layer = getLayer(name);

	if (layer.style) {
		layer.style.visibility="visible";	
	} else {
		layer.visibility="show";
	}

}

function switchDiv(divID) {
	if (document.getElementById(divID).innerHTML=='') {
		document.getElementById(divID).innerHTML=document.getElementById(divID+'Hold').innerHTML;
		document.getElementById(divID+'Hold').innerHTML='';
	} else {
		document.getElementById(divID+'Hold').innerHTML=document.getElementById(divID).innerHTML;
		document.getElementById(divID).innerHTML='';
	}
}