/**
 * @author michael.vandenreym
 */
function home_over(){
			   document.getElementById('home').src='images2/head-02-over.jpg';
			}
			function partners_over(){
			   document.getElementById('partners').src='images2/head-04-over.jpg';
			}
			function tips_over(){
			   document.getElementById('tips').src='images2/head-05-over.jpg';
			}
			function regels_over(){
			   document.getElementById('regels').src='images2/head-03-over.jpg';
			}
			function home_out(){
			   document.getElementById('home').src='images2/head-02-down.jpg';
			}
			function partners_out(){
			   document.getElementById('partners').src='images2/head-04-down.jpg';
			}
			function tips_out(){
			   document.getElementById('tips').src='images2/head-05-down.jpg';
			}
			function regels_out(){
			   document.getElementById('regels').src='images2/head-03-down.jpg';
			}