// Image Swap script.
//
function FW_Load1(img) { if (document.images && img != '') { pre = new Image; pre.src = img; }}
fw_lastItem = null; fw_lastlayer = null; fw_lastImage = null;
function imageswap(itemname, layername, newimage, oldimage) {
	if (document.images) {
		if (fw_lastItem != null && fw_lastItem != itemname) {
			evalStr = (navigator.appName == 'Netscape' && layername != '') ? 'document.layers.'+fw_lastlayer+'.document.' : 'document.';
			eval(evalStr + fw_lastItem).src = fw_lastImage;
		}
		if (newimage != "") {
			evalStr = (navigator.appName == 'Netscape' && layername != '') ? 'document.layers.'+layername+'.document.' : 'document.';
			eval(evalStr + itemname).src = newimage;
		}
		if (oldimage != null)
			{ fw_lastItem = itemname; fw_lastlayer = layername; fw_lastImage = oldimage; }
		else fw_lastItem = null;
	}
}