// preload images used in rollover
if (document.images) {
	link_arrow = new Image();
	link_arrow.src = "/images/body/link_arrow.gif";
	
	link_arrow_hi = new Image();
	link_arrow_hi.src = "/images/body/link_arrow_hi.gif";
	
	link_arrow_white = new Image();
	link_arrow_white.src = "/images/body/link_arrow_hi_white.gif";
	
	link_arrow_left = new Image();
	link_arrow_left.src = "/images/body/link_arrow_left.gif";
	
	link_arrow_left_hi = new Image();
	link_arrow_left_hi.src = "/images/body/link_arrow_left_hi.gif";

	leftarrow = new Image();
	leftarrow.src = "/images/body/leftarrow.gif";
	
	leftarrow_gray = new Image();
	leftarrow_gray.src = "/images/body/leftarrow-gray.gif";
}

function rover(nav,change,sectionI,subI) {
	if (document.images) {
		document.images[nav].src = eval(change + ".src");
		if (sectionI && subI) {
			document.images[sectionI].src = eval(subI + ".src");
		}
	}
}