function openPopup(url,width,height,name,scrollbars,resize) {
	var h;
	if(arguments.length < 4) {name = 'popup';}
	if(arguments.length < 5) {scrollbars = 'yes';}
	if(arguments.length < 6) {resize = 'yes';}
	if(h != null && !h.closed) {h.close();}
	h = window.open(url,name,'toolbar=no,location=no,directories=no,status=no,scrollbars='+scrollbars+',resizable='+resize+',width='+width+',height='+height);
	h.focus();
}