//*********************************************************
//* Script: Image Rollover Script
//* Programmed by: Chris Marts - Codrian, Inc.
//* http://www.codrian.com/
//*	To use: create image pairs where the hover image
//*		has a "_on" prefix such as:
//*		home.gif, home_on.gif
//*********************************************************

function makeRollImage(imgName)
{
	var imgObj = new Image();
	imgObj.src = "/Images/" + imgName + "_on.png";
	return imgObj;
}

function turnRollOn(imgName)
{
	var button = document.getElementById(imgName + "Button");
	button.src = eval(imgName + ".src");
}

function turnRollOff(imgName)
{
	var button = document.getElementById(imgName + "Button");
	button.src = button.src.substring(0, button.src.lastIndexOf("_")) + button.src.substring(button.src.lastIndexOf("."), button.src.length);
}