function openwin01(page, w, h) {
	sw=screen.availWidth/2-w/2;
	sh=screen.availHeight/2-h/2;
	window.open(page,'win','toolbar=0,location=0,directories=0,status=1,menubar=0,scrollbars=1,resizable=1,width=575,height=700,top='+sh+',screenY='+sh+',left='+sw+',screenX'+sw);
}