function showflv(flv){
document.write("<object classid=\"clsid:D27CDB6E-AE6D-11cf-96B8-444553540000\" codebase=\"http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,19,0\" width=\"200\" height=\"160\">");
document.write("<param name=\"movie\" value=\"Flvplayer.swf\" />");
document.write("<param name=\"quality\" value=\"high\" />");
document.write("<param name=\"allowFullScreen\" value=\"true\" />");
document.write("<param name=\"FlashVars\" value=\"vcastr_file="+flv+"&LogoText=www.yunyichaye.com&BufferTime=3&IsAutoPlay=1&IsContinue=1\" />");
document.write("<embed src=\"Flvplayer.swf\" allowfullscreen=\"true\" flashvars=\"vcastr_file="+flv+"&LogoText=www.yunyichaye.com&IsAutoPlay=1&IsContinue=1\" quality=\"high\" pluginspage=\"http://www.macromedia.com/go/getflashplayer\" type=\"application/x-shockwave-flash\" width=\"200\" height=\"160\"></embed>");
document.write("</object>");	
}
function setHomepage(pageURL)   
{   
 if (document.all)   
    {   
        document.body.style.behavior='url(#default#homepage)';   
  document.body.setHomePage(pageURL);   
    
    }   
    else if (window.sidebar)   
    {   
    if(window.netscape)   
    {   
         try  
   {     
            netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");     
         }     
         catch (e)     
         {     
    alert( "该操作被浏览器拒绝，如果想启用该功能，请在地址栏内输入 about:config,然后将项 signed.applets.codebase_principal_support 值该为true" );     
         }   
    }    
    var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components. interfaces.nsIPrefBranch);   
    prefs.setCharPref('browser.startup.homepage',pageURL);   
 }   
}