window["MzBrowser"]={};//var   MzBrowser={};//window["test"] = 1;
(function()
{
  if(MzBrowser.platform) return;
  var ua = window.navigator.userAgent;
  MzBrowser.platform = window.navigator.platform;

  MzBrowser.firefox = ua.indexOf("Firefox")>0;
  MzBrowser.opera = typeof(window.opera)=="object";
  MzBrowser.ie = !MzBrowser.opera && ua.indexOf("MSIE")>0;
  MzBrowser.mozilla = window.navigator.product == "Gecko";
  MzBrowser.netscape= window.navigator.vendor=="Netscape";
  MzBrowser.safari  = ua.indexOf("Safari")>-1;

  if(MzBrowser.firefox) var re = /Firefox(\s|\/)(\d+(\.\d+)?)/;
  else if(MzBrowser.ie) var re = /MSIE( )(\d+(\.\d+)?)/;
  else if(MzBrowser.opera) var re = /Opera(\s|\/)(\d+(\.\d+)?)/;
  else if(MzBrowser.netscape) var re = /Netscape(\s|\/)(\d+(\.\d+)?)/;
  else if(MzBrowser.safari) var re = /Version(\/)(\d+(\.\d+)?)/;
  else if(MzBrowser.mozilla) var re = /rv(\:)(\d+(\.\d+)?)/;

  if("undefined"!=typeof(re)&&re.test(ua))
    MzBrowser.version = parseFloat(RegExp.$2);
})(); 
 
function checkVer()
{
	if((MzBrowser.ie&&MzBrowser.version<6)||(MzBrowser.firefox&&MzBrowser.version<2))
	{
	 alert('Please upgrade your browser!');
	}

}