function setHomepage(){   
    if (document.all){   
    document.body.style.behavior='url(#default#homepage)';   
    document.body.setHomePage(document.URL);   
  }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',document.URL);   
    }   
}  
function AddToFavorite()   
{   
    if (document.all){   
       window.external.addFavorite(document.URL,document.title);   
    }else if (window.sidebar){   
       window.sidebar.addPanel(document.title, document.URL, "");   
    }   
}   
function hiddenhelp()
{
       var strUrl=location.href;
       var arrUrl=strUrl.split("/");
       var strPage=arrUrl[arrUrl.length-1];       
       if(strPage=="password.aspx"||strPage=="login.aspx"||strPage=="passwordzh.aspx"||strPage=="passwordzhtwo.aspx"||strPage=="order.aspx"||strPage=="cart.aspx"||strPage=="mycart.aspx"||strPage=="address.aspx"||strPage=="order_sucess.aspx"||strPage=="newscon.aspx"||strPage=="proknowlei.aspx"||strPage=="orderof.aspx")
       {
       document.getElementById("helpoachina").style.display="none";
       }
      
 }