String.prototype.trim = function () { return this.replace(/^\s+|\s+$/g, ''); }
var IEBrowser = (window.navigator.userAgent.toLowerCase().indexOf('msie') > -1);
function returnClick(event, rbool) {
    if (IEBrowser) {
        window.event.returnValue = rbool;
    } else {
        if (!rbool && event.preventDefault) event.preventDefault(); //ff
    }
}
/*2011/10/27*/
//搜索效果和搜索框
function searchobjout(SearchShow) {
    var ShowObj = document.getElementById(SearchShow);
    //ShowObj.innerHTML = "";
    ShowObj.style.display = 'none';
}

function searchobjShow(SearchShow, SearchName) {
    var ShowObj = document.getElementById(SearchShow);
    ShowObj.style.display = 'block';
    var NameObj = document.getElementById(SearchName);
    if (NameObj.title == "搜产品") {
        ShowObj.innerHTML = "搜文章";
    }
    else {
        ShowObj.innerHTML = "搜产品";
    }
    
}

function searchObj(SearchName, SearchShow) {
    var NameObj = document.getElementById(SearchName);
    if (NameObj.title == "搜产品") {
        NameObj.innerHTML = "搜文章";
        NameObj.title = "搜文章";
    }
    else {
        NameObj.innerHTML = "搜产品";
        NameObj.title = "搜产品";
    }
    searchobjout(SearchShow)
}


function SearchCheck(SearchName,key) {
    var cflags;
    var obj = document.getElementById(SearchName);
    cflags = obj.title;
    var _key = document.getElementById(key);
    if (_key.value.trim() == "") {
        alert("搜索关键字不能为空！");
        _key.focus();
        returnClick(event, false);
    }
	 else {
if(_key.value.trim() == "超极本" && cflags=="搜产品")
  {document.getElementById("SouSearch").action ="http://product.it168.com/list/b/1430_1.shtml";}
    else {
        switch (cflags) {
            case "搜文章": document.getElementById("SouSearch").action = "http://sou.it168.com/article?q=" + _key.value+"&f=6";
                break;
            case "搜产品": document.getElementById("SouSearch").action = "http://product.it168.com/list/b/_k" + escape(_key.value).replace(/%u/g, "$u") + "@_1.shtml";
                break;
            case "de": //form.action = "http://dealer.it168.com/list-0-0-0-A0-VD-1.html?searchkey=" + escape(_key.value);
                break;
            case "lt": //form.action = "http://sou.it168.com/bbs?q=" + _key.value;
                break;
            default: //form.action = "";
                break;
        }
	}
        returnClick(event, true);
    }
}