function popup(url,winName,width,height,left,top,status,scrollbars,resizable)
{
	var newwindow = 'width=' + width + ',height=' + height + ',left=' + left + ',top=' + top + ', location=no, menubar=no, status=' + status + ', toolbar=no, scrollbars=' + scrollbars + ', resizable=' + resizable + '';
	var popup_now = window.open(url,winName,newwindow); 
	if(window.focus) 
	popup_now.focus();
}