function mainnavover(buttonE,buttonI) {
		document.getElementById(buttonE).src = "fileadmin/templates/mygate.net/img/mainnav/"+buttonI;
	}
	
	function mainnavout(buttonE,buttonI) {
		document.getElementById(buttonE).src = "fileadmin/templates/mygate.net/img/mainnav/"+buttonI;
	}