// util2.js
// dependencies: browser_ver.js, layer_util.js


function preloadImages() { 
	if (document.images) {
		a=preloadImages.arguments;
		img=new Array();
		for(i=0,j=0;i<a.length;i++) {
			img[j]=new Image(); img[j++].src=a[i]+".gif";
			img[j]=new Image(); img[j++].src=a[i]+"_r.gif";
		}
	}
}

function chgImage(n,i,layr) {
	if (ie4 || ns5)
		document[n].src = img[i].src;
	else if(ns4) {
		if (chgImage.arguments.length == 3)	{
			document.layers[layr].document[n].src = img[i].src;
		} else 
			document[n].src = img[i].src;
	}
}