if (document.images) {
	facility_on = new Image();
	facility_on.src = "images/facility_on.gif";
	who_on = new Image();
	who_on.src = "images/who_on.gif";
	equipment_on = new Image();
	equipment_on.src = "images/equipment_on.gif";
	customer_on = new Image();
	customer_on.src = "images/customer_on.gif";
	product_on = new Image();
	product_on.src = "images/product_on.gif";
	automated_on = new Image();
	automated_on.src = "images/automated_on.gif";
	model_on = new Image();
	model_on.src = "images/model_on.gif";
	mold_on = new Image();
	mold_on.src = "images/mold_on.gif";

	facility_off = new Image();
	facility_off.src = "images/facility_off.gif";
	who_off = new Image();
	who_off.src = "images/who_off.gif";
	equipment_off = new Image();
	equipment_off.src = "images/equipment_off.gif";
	customer_off = new Image();
	customer_off.src = "images/customer_off.gif";
	product_off = new Image();
	product_off.src = "images/product_off.gif";
	automated_off = new Image();
	automated_off.src = "images/automated_off.gif";
	model_off = new Image();
	model_off.src = "images/model_off.gif";
	mold_off = new Image();
	mold_off.src = "images/mold_off.gif";

}

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

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