// JavaScript Document
var popupname = null;
  function popup(page)
	{
		var popupname = window.open( page, "popup", "width=300,height=500,toolbar=no,scrollbars=no,location=no");
		if( navigator.appName.indexOf("Explorer") != -1 && navigator.appVersion < 4 )
		{
			if( popupname ){
				popupname.close();
				var popupname = window.open( page, "popup", "width=300,height=500,toolbar=no,scrollbars=no,location=no"); }	}
		else
		{
			if( popupname ){ popupname.focus(); } 
		} 
	}