function Go(select) {
  var wert = select.options[select.options.selectedIndex].value;
  if (wert == "leer") {
    select.form.reset();
    window.focus();
    return;
  } else {
      window.location.href = wert;
    }
}

var Fenster = null;
function neuesFenster(meineSeite,meinName,w,h,scroll,optionen) {
	LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
	TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
	settings = 'height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+','+optionen;
	Fenster = window.open(meineSeite,meinName,settings);
}

function enableHorizontalScrolling() {    
    if (document.all && !window.XMLHttpRequest && parent.frames[0]) { // IE6 und Šlter
      // alert("IE6 and older");
      var htmlTag = document.getElementsByTagName('html')[0];
      htmlTag.style.overflowX = "scroll";
    }
 }
 
 window.onload = enableHorizontalScrolling;