function m_hover(obj){
	obj.style.background='url(bilder/menuItemHell.png)';
	obj.style.cursor='pointer';
}
function m_out(obj){
	obj.style.background='url(bilder/menuItemDunkel.png)';
}

function haupt_hover(obj){
	obj.style.background='#525252';	
	obj.style.cursor='pointer';
}

function haupt_out(obj){
	obj.style.background='';	
	obj.style.cursor='pointer';
}