if (document.images) {
	var homeHi = new Image();
	homeHi.src = "images/shared/nav/home_hi.gif";
	var homeLo = new Image();
	homeLo.src = "images/shared/nav/home_lo.gif";

	var experienceHi = new Image();
	experienceHi.src = "images/shared/nav/experience_hi.gif";
	var experienceLo = new Image();
	experienceLo.src = "images/shared/nav/experience_lo.gif";

	var businessHi = new Image();
	businessHi.src = "images/shared/nav/business_hi.gif";
	var businessLo = new Image();
	businessLo.src = "images/shared/nav/business_lo.gif";

	var helpHi = new Image();
	helpHi.src = "images/shared/nav/help_hi.gif";
	var helpLo = new Image();
	helpLo.src = "images/shared/nav/help_lo.gif";

	var showcaseHi = new Image();
	showcaseHi.src = "images/shared/nav/showcase_hi.gif";
	var showcaseLo = new Image();
	showcaseLo.src = "images/shared/nav/showcase_lo.gif";

	var contactHi = new Image();
	contactHi.src = "images/shared/nav/contact_hi.gif";
	var contactLo = new Image();
	contactLo.src = "images/shared/nav/contact_lo.gif";
}
	
function ImageRollOver(imgName) {
	if (document.images){
		document[imgName].src=eval(imgName+"Hi.src");
	}
}
	
function ImageRollOut(imgName) {
	if (document.images){
		document[imgName].src=eval(imgName+"Lo.src");
	}
}