/*eQual height Columns aufgrund des Elternelements*/
$(function() {
    function unifyHeights() {
        var maxHeight = 0;
        $('#main').children('#col1, #col3').each(function() {
            var height = $(this).outerHeight();
             //Test
			 //alert(height);
            if ( height > maxHeight ) {
                maxHeight = height;
            }
        });
		$('#col1, #col3').css('height', maxHeight);
		//Content nachschieben
		var contentheight = 0;
		/*Höhe des Footers*/
		var footerHeight = 70;
		
		contentHeight = maxHeight-footerHeight;  
		$('.content').css('height', contentHeight);
    }
    unifyHeights();
});