function strCounter(obj,count){
	//限制输入字数
	if (obj.value.length > count)
		obj.value = obj.value.substring(0, count);
}
//收藏网址
function addFavorite(url,title){
    if (document.all){
       window.external.addFavorite(url,title);
    }else if (window.sidebar){
       window.sidebar.addPanel(title, url, "");
    }
}

//设为首页
function setHomepage(url)
{
    if (document.all){
        document.body.style.behavior='url(#default#homepage)';
        document.body.setHomePage(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',url);
    }
}

//复制网址
function copy_code(copyText) 
{
    if (window.clipboardData) 
    {
        window.clipboardData.setData("Text", copyText)
    } 
    else 
    {
        var flashcopier = 'flashcopier';
        if(!document.getElementById(flashcopier)) 
        {
          var divholder = document.createElement('div');
          divholder.id = flashcopier;
          document.body.appendChild(divholder);
        }
        document.getElementById(flashcopier).innerHTML = '';
        var divinfo = '<embed src="../js/_clipboard.swf" FlashVars="clipboard='+encodeURIComponent(copyText)+'" width="0" height="0" type="application/x-shockwave-flash"></embed>';
        document.getElementById(flashcopier).innerHTML = divinfo;
    }
  alert('成功复制当前网址到剪贴板！');
}

//搜索按钮事件
function Search() {
	var   str   =   document.getElementById('Keyword').value;  
	if(str.replace(/^\s+|\s+$/g,"")!="")
       // window.open("/Search.aspx?Keyword=" + encodeURI(str) );
        window.open("/Search.aspx?Keyword=" + escape(str));
    else
    {
       alert("关键字不能为空!");
       document.getElementById('Keyword').focus();
    }
    return false;
}