if (document.images) {
			
enteron = new Image();
enteron.src = "images/home_enterbutton_on.gif";

enteroff = new Image();
enteroff.src = "images/home_enterbutton.gif";

profileon = new Image();
profileon.src = "images/home_profilebutton_on.gif";

profileoff = new Image();
profileoff.src = "images/home_profilebutton.gif";
}
			
function imgOn(imgName) {
	if (document.images) {
	document[imgName].src = eval(imgName + "on.src");
	}
}

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