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]设置为'true'"); 
                    }
                    var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components.interfaces.nsIPrefBranch);
                    prefs.setCharPref('browser.startup.homepage',vrl);
             }
    }
}
	
var address = function (obj, url, title) {

    var e = window.event || arguments.callee.caller.arguments[0];
   
    var B = {
        IE : /MSIE/.test(window.navigator.userAgent) && !window.opera
        , FF : /Firefox/.test(window.navigator.userAgent)
        , OP : !!window.opera
    };
   
    obj.onmousedown = null;
   
    if (B.IE) {
        obj.attachEvent("onmouseup", function () {
           try {
                window.external.addFavorite(url, title);
                window.event.returnValue = false;
            } catch (exp) {alert("收藏失败，请您手动收藏！"); }
        });
    } else {
        if (B.FF || obj.nodeName.toLowerCase() == "a") {
            obj.setAttribute("rel", "sidebar"), obj.title = title, obj.href = url;
        } else if (B.OP) {
            var a = document.createElement("a");
            a.rel = "sidebar", a.title = title, a.href = url;
            obj.parentNode.insertBefore(a, obj);
            a.appendChild(obj);
            a = null;
        }
    }
};