// JavaScript Document
window.onload = rolloverInit;

function rolloverInit () {
	for (var i=0; i<document.
		 	images.length; i++) {
		if (document.images[i].parentNode.
			tagName == "a") {
			setupRollover(document.images[i]);
		}
	}
}

function setupRollover (thisImage) {
	thisImage.outImage = new Image();
	thisImage.outImage.src = thisImage.src;
	thisImage.onmouseout = rollOut;
	
	thisImage.overImage = new Image();
	thisImage.overImage = "images/watershedImages/" +
		"thisImage.id" + "_h.png";
	thisImage.onmouseover = rollOver;
}

function rollOver() {
	this.src = this.overImage.src;
}

function rollOut() {
	this.src = this.outImage.src;
}