// JavaScript Document

function NavOver(obj) {
	var picSrc = obj.src;	
	check = picSrc.search("_f3.gif");
	if (check == -1) {	
		var newPic = picSrc.replace(/.gif/g, "_f2.gif");
		obj.src = newPic;
	}
}

function NavOut(obj) {
	var picSrc = obj.src;	
	check = picSrc.search("_f3.gif");
	if (check == -1) {	
		var newPic = picSrc.replace(/_f2.gif/g, ".gif");
		obj.src = newPic;
	}
}