// JavaScript Document

function changeImages(imgTag, fileName) {
	var d = document; var img;
	img = null; var n = imgTag;
	

// find the image tag element, cross platform
	if (d.images) {
		if (d.layers) {img = findElement(n,0);}
		else {img = d.images[n];}
	}
	if (!img && d.getElementById) {img = d.getElementById(n);}
	if (!img && d.getElementsByName) {
		var elms = d.getElementsByName(n);
		if (elms) {
			for (j=0;j<elms.length;j++) {
				if (elms[j].src) {img = elms[j]; break;}
			}
		}
	}


// now swap the img
	if (img) {img.src = fileName;}
	
}


// Preload all the rollover images
//
//function preload() 
//{
//	var i = 0;
//	imageObj = new Image();
//	var image_names = new Array(
//		"images/cat/cat_0000.jpg",
//		"images/cat/cat_0001.jpg",
//		"images/cat/cat_0002.jpg",
//		"images/cat/cat_0003.jpg",
//		"images/cat/cat_0004.jpg",
//		"images/cat/cat_0005.jpg",	
//		"images/cat/cat_0006.jpg",
//		"images/cat/cat_0007.jpg",
//		"images/cat/tn/cat_0000.jpg",
//		"images/cat/tn/cat_0001.jpg",
//		"images/cat/tn/cat_0002.jpg",
//		"images/cat/tn/cat_0003.jpg",
//		"images/cat/tn/cat_0004.jpg",
//		"images/cat/tn/cat_0005.jpg",	
//		"images/cat/tn/cat_0006.jpg",
//		"images/cat/tn/cat_0007.jpg"
//	);
//	
//	var images = new Array();
//     // start preloading
//     for(i=0; i<image_names.length; i++) 
//     {
//       images[i] = new Image()   
//		images[i].src=image_names[i];
//     }
//} 
//