function resizePopup() {
	var popup = document.getElementById("ajanlat_popup");
	if (window.pageYOffset) {
		var margintop = window.pageYOffset + 100;
	} else {
		var margintop = document.documentElement.scrollTop + 100;
	}
	if ((document.getElementById('ajanlat_box_holder').offsetHeight + margintop) > document.body.clientHeight) {
		maxheight = document.getElementById('ajanlat_box_holder').offsetHeight + margintop;
	} else {
		maxheight = document.body.clientHeight;
	}
	popup.style.height = maxheight + 'px';
}