Native js programming is set to the home page compatible with ie firefox and Google

Native js writing, compatible with ie, firefox and Google.

Complete code:

<script type="text/javascript">
//Set the home page as www.jb51.net
function SetHome(obj,url){
  try{
    obj.style.behavior='url(#default#homepage)';
    obj.setHomePage(url);
  }catch(e){
    if(window.netscape){
     try{
       netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
     }catch(e){
       alert(" Sorry, this operation was rejected by the browser! nn Please enter" about:config "And press enter and then will [signed.applets.codebase_principal_support] Set to 'true'");
     }
    }else{
    alert(" Sorry, the browser you are using is unable to complete this operation. nn You need to manually "+url+" Set as home page. ");
    }
 }
}
 
//www.jb51.net
function AddFavorite(title, url) {
 try {
   window.external.addFavorite(url, title);
 }
catch (e) {
   try {
    window.sidebar.addPanel(title, url, "");
  }
   catch (e) {
     alert(" Sorry, the browser you are using is unable to complete this operation. nn Failed to add favorites, please enter the new site after use Ctrl+D add ");
   }
 }
}
</script>
<a href="javascript:void(0);" onclick="SetHome(this,'//www.jb51.net ');"> Set home </ a>
<div class="text text2"><a href="javascript:void(0);" onclick="AddFavorite(' The home of the script ','//www.jb51.net')"> closed   hidden   this   standing </a>