function resizeOverview() {
	for (i=0; (obj1=document.getElementById('overview_'+i)) != null;) {
		if ((obj2=document.getElementById('overview_'+(i+1))) != null) {
			if (obj1.clientHeight > obj2.clientHeight) {
				obj2.style.height = obj1.clientHeight+'px';
			} else {
				obj1.style.height = obj2.clientHeight+'px';
			}
		}
		i = i+2;
	}
}