function bglight(id0){
	obj = (document.getElementById ? document.getElementById(id0) : (document.all ? document.all[id0] : (document.layers ? document.layers[id0] : null))); 
	obj.style.background='url(../Menue/Images/Button_on.gif)'; 
};
function bgnormal(id0){
	obj = (document.getElementById ? document.getElementById(id0) : (document.all ? document.all[id0] : (document.layers ? document.layers[id0] : null)));
	obj.style.background='url(../Menue/Images/Button_off.gif)';
};