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');
	var divh_pos8new_t = document.getElementById('homepage_positie8');
	
//alert(divh_pos1plus4+"px");
//alert(divh_pos2+"px");

	if (divh_pos2>(divh_pos1plus4)) {
		if ( (is_ie5) || (is_ie6) ) {
			divh_pos2new_h.style.height =  30.6+"em";
			divh_pos8new_t.style.top =  31.3+"em";
		}
		else {
			if (is_ie7up) {
				divh_pos2new_h.style.minHeight =  31.55+"em";
			}
			else {
				divh_pos2new_h.style.minHeight =  31.75+"em";
				divh_main_content_h.style.minHeight =  51+"em";
			}
		}
	}
}