// image rollover script
if (document.images) {
	var str="images/";
	var nameImage=new Array('mainnav_home','mainnav_services','mainnav_rbcgteam','mainnav_projects','mainnav_contact');
	var offImage=new Array();
	var onImage=new Array();
	for (i=0;i<5;i++){
		offImage[i]=new Image();
		offImage[i].src=str+nameImage[i]+".gif";
		onImage[i]=new Image();
		onImage[i].src=str+nameImage[i]+"-omo.gif";
		}
	}
	
// image swapping
function on(name,file) {
		if (document.images) obj=eval(document.images[name]);
		if (obj) obj.src=onImage[file].src;
		}
	
function off(name,file) {
		if (document.images) obj=eval(document.images[name]);
		if (obj) obj.src=offImage[file].src;
		}