var imgArray = new Array("equip_rollover_img02.gif",
			 "align_rollover_img02.gif",
			 "mobilize_rollover_img02.gif");
for (var i=0; i<imgArray.length; i++)
{
	var img = new Image();
	img.src = "images/" + imgArray[i];
}

function RolloverMouseOver(menu){
	if (document.getElementById(menu).style.backgroundImage !="url(images/" + menu + "_rollover_img02.gif)")
		document.getElementById(menu).style.backgroundImage="url(images/" + menu + "_rollover_img02.gif)";
}

function RolloverMouseOut(menu){
	if (document.getElementById(menu).style.backgroundImage !="url(images/" + menu + "_rollover_img01.gif)")
		document.getElementById(menu).style.backgroundImage="url(images/" + menu + "_rollover_img01.gif)";
}