function AddFavorite(sURL, sTitle){
 try{window.external.addFavorite(sURL, sTitle);}
    catch (e){
    try{window.sidebar.addPanel(sTitle, sURL, "");}
    catch (e){alert("加入收藏失败，请使用Ctrl+D进行添加");}
    }
}
function SetHome(obj,vrl){
try{obj.style.behavior='url(#default#homepage)';
		obj.setHomePage(vrl);
}
 catch(e){if(window.netscape) {
  try {netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");}
  catch (e) {alert("此操作被浏览器拒绝！\n请在浏览器地址栏输入“about:config”并回车\n然后将 [signed.applets.codebase_principal_support]的值设置为'true',双击即可。"); 
     }
     var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components.interfaces.nsIPrefBranch);
     prefs.setCharPref('browser.startup.homepage',vrl); }
     }
}


 function clk(wei){
     if(wei.value=="请输入产品名称!")
        wei.value="";
  }
  
 function seachword(ctrid){   
     if(document.getElementById(ctrid).value==""){alert("关键词不能为空"); document.getElementById(ctrid).focus(); return false; }                
 }