var speed = 100;
var URL1   = "http://www.suedostfleisch.de/home1.htm";
function reload1() {
location = URL1;
}
var URL2   = "http://www.suedostfleisch.de/sof_h/pda/index.htm";
function reload2() {
location = URL2;
}



if (screen.width >= 640) {
  setTimeout("reload1()", speed);
} else {
  setTimeout("reload2()", speed);
}