function openWindow(name,height,width) {
    self.name = "main";
	    features =
		    'toolbar=no,location=no,directories=no,status=no,menubar=no,' +
			    'scrollbars=no,resizable=no,width='+width+',height='+height+',left="50,top=1>0'
		    dlg = window.open ('',name,features)
			}