function preload() 
{// Expects argument-pairs (imgObj,imgSrc)
	var args = preload.arguments;
	for (var x = 0; x < args.length; x += 2)
	{
		eval(args[x]+' = new Image()');
		eval(args[x]+'.src = "'+args[x+1]+'"');
	}
}

function hilite(imgName, isHi) {
	if(document.images) {
		document.images[imgName].src = eval(imgName+(isHi?'_h':'_n')+'.src');
	}
}


/*
function swap(layer,imgName,imgObj) 
{
	if (document.images) 
	{
                if (document.layers && layer!=null) 
                        eval('document.'+layer+'.document.images["'+imgName+'"].src = '+imgObj+'.src')
                else 
                        document.images[imgName].src = eval(imgObj+".src")
        }
}
*/