function divheight() {
	var divh_pos1 = (document.getElementById('homepage_positie1')||{}).offsetHeight;
	var divh_pos4 = (document.getElementById('homepage_positie4')||{}).offsetHeight;
	var divh_pos1plus4 = divh_pos4 + divh_pos1;
	var divh_pos2 = (document.getElementById('homepage_positie2')||{}).offsetHeight;
	var divh_pos2new_h = document.getElementById('homepage_positie2');
	var divh_main_content_h = document.getElementById('main_content');

//alert(divh_pos2+"px");
//alert(divh_pos1plus4+"px");

	if (divh_pos2>(divh_pos1plus4)) {
		if ( (is_ie5) || (is_ie6) ) {
			divh_pos2new_h.style.height =  37.05+"em";
		}
		else {
			if (is_ie7up) {
				divh_pos2new_h.style.minHeight =  34.4+"em";
			}
			else {
				if (is_opera ) {
					divh_pos2new_h.style.minHeight =  34.95+"em";
					divh_main_content_h.style.minHeight =  51+"em";
				}
				else {
					divh_pos2new_h.style.minHeight =  34.0+"em";
					divh_main_content_h.style.minHeight =  51+"em";
				}
			}
		}
	}
}