$(document).ready(function() {

	var fotos = new Array(1,2,3,4,5,6,7,8,9);
	
	var ri = Math.floor(Math.random()*fotos.length);
	var im = fotos[ri];
	document.hf1.src = "fileadmin/MEDIA/header-img/foto"+im+".jpg";
	
	fotos.splice(ri,1);
	var ri = Math.floor(Math.random()*fotos.length);
	var im = fotos[ri];
	document.hf2.src = "fileadmin/MEDIA/header-img/foto"+im+".jpg";
	
	fotos.splice(ri,1);
	var ri = Math.floor(Math.random()*fotos.length);
	var im = fotos[ri];
	document.hf3.src = "fileadmin/MEDIA/header-img/foto"+im+".jpg";
	
	fotos.splice(ri,1);
	var ri = Math.floor(Math.random()*fotos.length);
	var im = fotos[ri];
	document.hf4.src = "fileadmin/MEDIA/header-img/foto"+im+".jpg";

});