function correct_layout() {
	if(document.getElementById('inhalt').offsetHeight) {
	   var div_heights = new Array(
		document.getElementById('inhalt').offsetHeight,
		document.getElementById('navigation').offsetHeight,
		document.getElementById('partner_1').offsetHeight
	   ),
	   div_heights = div_heights.reverse(div_heights.sort(num_sort));
	   var style_height = div_heights[0] + "px";
	   document.getElementById('navigation').style.height = style_height;
	   document.getElementById('inhalt').style.height = style_height;
	   document.getElementById('partner_1').style.height = style_height;
	}
    }
function num_sort(a,b) {
	return a-b;
}