/* Script by Oliver Zahorka, Copyright 1998, 1999, 2000 Oliver Zahorka*/
 
var selected = null;
var menuLoaded = false;

function initMenu()
{
	var argLength = arguments.length;
	imgNames = new Array(argLength);
	for (i=0; i<argLength; i++) {
		imgNames[i] = arguments[i];
	}
	if (document.images!=null) {
		var img = null;
		var imgName = "";
		var imgBaseURL = "";
		
		for (var i in imgNames) {
			imgName = imgNames[i];
			img = document.images[imgName];
			
			imgBaseURL="../../images/menu/";
				
			eval(imgName+"_on = new Image()");
			eval(imgName+"_on").src = imgBaseURL+"highlight.jpg";
		        
			eval(imgName+"_off = new Image()");
			eval(imgName+"_off").src = imgBaseURL+"transpxl.gif";
	        
			eval(imgName+"_sel = new Image()");
			eval(imgName+"_sel").src = imgBaseURL+"selected.jpg";
		}
		menuLoaded = true;
	}
}


function hilite(imgName, state)
{
	if (menuLoaded && document.images!=null && imgName!='' && imgName!=selected && document.images[imgName]!=null) {
		if (state) 
			document.images[imgName].src = eval(imgName+"_on").src;
		else 
			document.images[imgName].src = eval(imgName+"_off").src;
	}
}


function select(imgName)
{
	if (menuLoaded && document.images!=null && document.images[imgName]!=null){
		if (selected!=null && selected!='')
			document.images[selected].src = eval(selected+"_off").src;
		if (imgName!='')
			document.images[imgName].src = eval(imgName+"_sel").src;
		selected=imgName;
	}
}