function changesize() {
	//var isexpanded;
	//if (!isexpanded) isexpanded == false;
	
	if (isexpanded == true) {
	 	thesize = "*,23";
		isexpanded = false;
		document.getElementById('updown').src="img/expand.jpg";
		
	} else {
		thesize = "*,60";
		isexpanded = true;
		document.getElementById('updown').src="img/collapse.jpg";
	}
	//alert(thesize);
	frameset1 = top.document.getElementsByTagName('frameset')[0]; //parent?
	frameset1.rows = thesize;
	
}