if (document.images) {

		img1off = new Image();		img1off.src = "images/home-off.gif";
		img2off = new Image();		img2off.src = "images/services-off.gif";
		img3off = new Image();		img3off.src = "images/company-off.gif";

		img1over = new Image(); 	img1over.src = "images/home-over.gif";
		img2over = new Image();	img2over.src = "images/services-over.gif";
		img3over = new Image();	img3over.src = "images/company-over.gif";

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

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

}