Event.observe(window,"load",function(){
    if(document.all) { //This means it is IE
        if($('contentHome') != null){
            var leftColumn = parseInt(document.getElementById('leftColumn').offsetHeight);
            var contentleft = parseInt(document.getElementById('contentleft').offsetHeight);
            var contentright = parseInt(document.getElementById('contentright').offsetHeight);
            var maxheight = (leftColumn>contentleft)?((leftColumn>contentright)?leftColumn:contentright):((contentright>contentleft)?contentright:contentleft);
            maxheight = maxheight + 'px';
            $('leftColumn').setStyle({
                'height' : maxheight
            });
            $('contentleft').setStyle({
                'height' : maxheight
            });
            $('contentright').setStyle({
                'height' : maxheight
            });
        }else if($('contentArea') != null){
            var subnavigation = parseInt(document.getElementById('subnavigation').offsetHeight);
            var middle_content = parseInt(document.getElementById('middle_content').offsetHeight);
            var right_content_column = parseInt(document.getElementById('right_content_column').offsetHeight);
            var maxheight = (subnavigation>middle_content)?((subnavigation>right_content_column)?subnavigation:right_content_column):((right_content_column>middle_content)?right_content_column:middle_content);
            maxheight = maxheight + 'px';
            $('subnavigation').setStyle({
                'height' : maxheight
            });
            $('middle_content').setStyle({
                'height' : maxheight
            });
            $('right_content_column').setStyle({
                'height' : maxheight
            });
        }
    }else if($('contentHome') != null){
        var leftColumn = parseInt(document.getElementById('leftColumn').getStyle('height'));
        var contentleft = parseInt(document.getElementById('contentleft').getStyle('height'));
        var contentright = parseInt(document.getElementById('contentright').getStyle('height'));
        var maxheight = (leftColumn>contentleft)?((leftColumn>contentright)?leftColumn:contentright):((contentright>contentleft)?contentright:contentleft);
        maxheight = maxheight + 'px';
        $('leftColumn').setStyle({
            'height' : maxheight
        });
        $('contentleft').setStyle({
            'height' : maxheight
        });
        $('contentright').setStyle({
            'height' : maxheight
        });
    }else if($('contentArea') != null){
        var subnavigation = parseInt(document.getElementById('subnavigation').getStyle('height'));
        var middle_content = parseInt(document.getElementById('middle_content').getStyle('height'));
        var right_content_column = parseInt(document.getElementById('right_content_column').getStyle('height'));
        var maxheight = (subnavigation>middle_content)?((subnavigation>right_content_column)?subnavigation:right_content_column):((right_content_column>middle_content)?right_content_column:middle_content);
        maxheight = maxheight + 'px';
        $('subnavigation').setStyle({
            'height' : maxheight
        });
        $('middle_content').setStyle({
            'height' : maxheight
        });
        $('right_content_column').setStyle({
            'height' : maxheight
        });
    }
});