if (document.images) {
	// "On" images
	adilogoon = new Image();
	adilogoon.src = "images/adilogo_home.gif";
	tmaxlogoon = new Image();
	tmaxlogoon.src = "images/tmax_wht_hi.jpg";
	adiconlogoon = new Image();
	adiconlogoon.src = "images/adicon2500_wht_hi.jpg";
	contractlogoon = new Image();
	contractlogoon.src = "images/contract_blu_hi.jpg";


	// "Off" images
	adilogooff = new Image();
	adilogooff.src = "images/adilogo.gif";
	tmaxlogooff = new Image();
	tmaxlogooff.src = "images/tmax_wht.jpg";
	adiconlogooff = new Image();
	adiconlogooff.src = "images/adicon2500_wht.jpg";
	contractlogooff = new Image();
	contractlogooff.src = "images/contract_blu.jpg";

}

function imgOn(imgName) {
	if (document.images && imgName) {
		document.images[imgName].src = eval(imgName + "on.src");
	}
	return;
}

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

}