function correct_layout() {
 if(document.getElementById('inhalt').offsetHeight) {
   var div_heights = new Array(
   document.getElementById('inhalt').offsetHeight,
   document.getElementById('menue3').offsetHeight,
   document.getElementById('aktuell3').offsetHeight
 );
 div_heights = div_heights.reverse(div_heights.sort(num_sort));
 var style_height = div_heights[0] + "px";
 document.getElementById('menue3').style.height = style_height;
 document.getElementById('inhalt').style.height = style_height;
 document.getElementById('aktuell3').style.height = style_height;
 } 
} 

function num_sort(a,b) { 
 return a-b; 
}