function omover(this_id)
	{
		//document.getElementById(this_id).style.color='#ffffff';
		obj = document.getElementById(this_id);
		obj.style.cursor='pointer';
		obj.setAttribute("class", "sitenav_button_over"); 
	}
	function omout(this_id)
	{
		obj = document.getElementById(this_id);
		obj.setAttribute("class", "sitenav_button_out"); 
	}
	function goto(pagename)
	{
		pagename = pagename + ".php";
		window.location = pagename;
	}