if (document.images) {            // Active Images
            img1on = new Image();
            img1on.src = "http://www.dougmumm.com/Images/03PortfolioResumeRoll.gif";
		img2on = new Image();
            img2on.src = "http://www.dougmumm.com/Images/03PortfolioContactRoll.gif";
			img3on = new Image();
            img3on.src = "http://www.dougmumm.com/Images/03PortfolioOSRoll.gif";
			img4on = new Image();
            img4on.src = "http://www.dougmumm.com/Images/contacthRoll.gif";
			img5on = new Image();
            img5on.src = "http://www.dougmumm.com/Images/portfolioCRoll.gif";



										
			
            img1off = new Image();
            img1off.src = "http://www.dougmumm.com/images/03PortfolioResume.gif";
			img2off = new Image();
            img2off.src = "http://www.dougmumm.com/Images/03PortfolioContact.gif";
			img3off = new Image();
            img3off.src = "http://www.dougmumm.com/Images/03PortfolioOS.gif";
			img4off = new Image();
            img4off.src = "http://www.dougmumm.com/Images/contacth.gif";
			img5off = new Image();
            img5off.src = "http://www.dougmumm.com/Images/portfolioC.gif";


			

        }

// Function to 'activate' images.
function imgOn(imgName) {
        if (document.images) {
            document[imgName].src = eval(imgName + "on.src");
        }
}

// Function to 'deactivate' images.
function imgOff(imgName) {
        if (document.images) {
            document[imgName].src = eval(imgName + "off.src");
        }
}