var RealMode=0;
var RealPlayer5=0;
var RealPlayer4=0;
var RealPlayerG2=0;

numPlugins = navigator.plugins.length;
for (i = 0; i < numPlugins; i++)
{
  plugin = navigator.plugins[i];
  if (plugin.name.substring(0,10)=="RealPlayer")
  {
    RealMode=1;
  }
}

document.write('<SCRIPT LANGUAGE=VBScript> \n');
document.write('on error resume next \n');
document.write('RealPlayerG2 = (NOT IsNull(CreateObject("rmocx.RealPlayer G2 Control")))\n');
document.write('RealPlayer5 = (NOT IsNull(CreateObject("RealPlayer.RealPlayer(tm) ActiveX Control (32-bit)")))\n');
document.write('RealPlayer4 = (NOT IsNull(CreateObject("RealVideo.RealVideo(tm) ActiveX Control (32-bit)")))\n');
document.write('</SCRIPT\> \n');

if ( RealPlayerG2 || RealPlayer5 || RealPlayer4)
{}
else if ( RealMode==1)
{
}
else
{
	alert("请先下载并安装RealPlayer");
	window.open ("/software/rp8plus.zip", "realPlayer", "height=300, width=400, toolbar=no, menubar=no, scrollbars=no, resizable=no, location=no, status=no"); 
	// 转入install.htm页面指导用户进行安装
	window.resizeTo(700,500);
}