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

}