function rolloverLogo() 
{
	if (!document.getElementById) return false;
	if (!document.getElementById("logo")) return false;
	if (!document.getElementById("uk")) return false;
	
	var logo = document.getElementById("logo");
	var preload = new Image()
	preload.src="pics/nav/logo_r.gif";
	
	var uk = document.getElementById("uk");
	var preloadUk = new Image();
	preloadUk.src="pics/nav/uk_on.gif";
	
	logo.onmouseover = function()
	{
		logo.setAttribute("src","pics/nav/logo_r.gif");
	}
	logo.onmouseout = function()
	{
		logo.setAttribute("src","pics/nav/logo_g.gif");
	}
	
	uk.onmouseover = function()
	{
		uk.setAttribute("src","pics/nav/uk_on.gif");
	}
	uk.onmouseout = function()
	{
		uk.setAttribute("src","pics/nav/uk_off.gif");
	}
}

addLoadEvent(rolloverLogo);