function preload()
{
	if(!window.oPreloadimages)window.oPreloadimages = new Object();
	var s = "a";
	if(!arguments || !s.replace || !Image || !oPreloadimages) return;
	for(var i=0;i<arguments.length;i++)
	{
		var name = 'image'+i;
		oPreloadimages[name+"_off"] = new Image();
		oPreloadimages[name+"_off"].src = arguments[i];
		oPreloadimages[name+"_on"] = new Image();
		oPreloadimages[name+"_on"].src = arguments[i].replace(/(.+)(\.[^\.]+)$/, "$1_hi$2");
	}
}
function hilite(el)
{
	if(el && el.getElementsByTagName)
	{
		if(el.nodeName!="IMG")
		{
			var c=el.getElementsByTagName("IMG");
			if(c.length<1)return;
			el=c[0];
		}
		var src=el.src;
		src=src.replace(/(.+)(\.[^\.]+)$/, "$1_hi$2");
		el.src=src;
	}
}
function dehilite(el)
{
	if(el && el.getElementsByTagName)
	{
		if(el.nodeName!="IMG")
		{
			var c=el.getElementsByTagName("IMG");
			if(c.length<1)return;
			el=c[0];
		}
		var src=el.src;
		src=src.replace(/(.+)_hi(\.[^\.]+)$/, "$1$2");
		el.src=src;
	}
}