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

function correct_layout ()
{
if (document.getElementById('main').offsetHeight) {
        var mitte = document.getElementById('main').offsetHeight + 118;
        var div_heights = new Array (
        document.getElementById('main').offsetHeight,
        mitte,
        document.getElementById('right').offsetHeight
        );
        div_heights = div_heights.reverse(div_heights.sort(num_sort));
    var style_height = div_heights[0] + "px";
    var hoehe_neu = div_heights[0] +  "px";
    document.getElementById('left').style.height = hoehe_neu;
    /*document.getElementById('main').style.height = style_height;*/
    document.getElementById('right').style.height = hoehe_neu;
    }
}

function popup(theURL,winName,features) {
                                           window.open(theURL,winName,features);
                                        }

function spring(a)                      {
                                         this.location = 'ort.php?ort_id='+a;
                                         }