var parentbject;
window.zhaobus_suggest = function()
{
    this.Remoreurl = ''; // 远程URL地址
    this.object = '';
    this.taskid = 0;
    this.delaySec = 10; // 默认延迟多少毫秒出现提示框
    this.lastkeys_val = -1;
    this.lastinputstr = '';
    /**
    * 初始化类库
    */
    this.init_zhaobussuggest = function()
    {
        var objBody = document.body;//document.getElementsByTagName("body").item(0);
        var objplatform = document.getElementById("getplatform");
        if(objplatform)
            objBody.removeChild(objplatform);
            
        objplatform=document.createElement("div");
        objplatform.setAttribute('id', 'getplatform');
        objplatform.className='getplatform';
        objplatform.setAttribute('align', 'left');
        objBody.appendChild(objplatform);
        if (!document.all)
        {
            window.document.addEventListener("click", this.hidden_suggest, false);
        }
        else
        {
            window.document.attachEvent("onclick", this.hidden_suggest);
        }
    }

    this.fill_div = function(allplat)
    {
        ///alert(allplat);
        var obj=document.getElementById("getplatform");
        if(!obj)
            return;
        var msgplat = '';
        if (allplat.length < 1 || !allplat[0])
        {
            this.hidden_suggest();
        }
        for (i = 0; i < allplat.length; i++)
        {
            msgplat += '<ul class=cul onclick=parentbject.add_input_text("' + RemoveHtml(allplat[i]) + '")>' + allplat[i] + '</ul>';
            //obj.appendChild(ul);
        }
        //alert(msgplat);
        document.getElementById("getplatform").innerHTML = msgplat;

        var nodes = document.getElementById("getplatform").childNodes;

        for (var i = 0; i < nodes.length; i++) {
            nodes[i].onmouseover = function() {
                this.className = "mover";
            }

            nodes[i].onmouseout = function() {
                this.className = "cul";

            }
        }
    }

    this.fix_div_coordinate = function()
    {
        var leftpos = 0;
        var toppos = 0;
        aTag = this.object;
        do {
            aTag = aTag.offsetParent;
            leftpos += aTag.offsetLeft;
            toppos += aTag.offsetTop;
        }
        while (aTag.tagName != "BODY");
        document.getElementById("getplatform").style.width = this.object.offsetWidth + 'px';
        if (document.layers) {
            document.getElementById("getplatform").style.left = this.object.offsetLeft + leftpos + "px";
            document.getElementById("getplatform").style.top = this.object.offsetTop + toppos + this.object.offsetHeight + 2 + "px";
        }
        else {
            document.getElementById("getplatform").style.left = this.object.offsetLeft + leftpos + "px";
            document.getElementById("getplatform").style.top = this.object.offsetTop + toppos + this.object.offsetHeight + 'px';
        }
    }

    this.hidden_suggest = function() {
        this.lastkeys_val = -1;
        document.getElementById("getplatform").style.visibility = "hidden";
    }

    this.show_suggest = function()
    {
        document.getElementById("getplatform").style.visibility = "visible";
    }

    this.is_showsuggest = function() {
        if (document.getElementById("getplatform").style.visibility == "visible")
            return true;
        else
            return false;
    }

    this.sleep = function(n) {
        var start = new Date().getTime(); //for opera only
        while (true)
            if (new Date().getTime() - start > n)
            break;
    }

    this.ltrim = function(strtext) {
        return strtext.replace(/[\$&\|\^*%#@! ]+/, '');
    }

    this.add_input_text = function(keys) {
        this.object.value = keys;
    }

    this.keys_handleup = function()
    {
        if (this.lastkeys_val > 0) this.lastkeys_val--;
        var nodes = document.getElementById("getplatform").childNodes;
        if (this.lastkeys_val < 0)
            this.lastkeys_val = nodes.length - 1;
        var b = 0;
        for (var i = 0; i < nodes.length; i++) {
            if (b == this.lastkeys_val) {
                document.getElementById("getplatform").childNodes[i].className = "mover";
                this.add_input_text(RemoveHtml(document.getElementById("getplatform").childNodes[i].innerHTML));
            }
            else {
                document.getElementById("getplatform").childNodes[i].className = "cul";
            }
            b++;
        }
    }

    this.keys_handledown = function()
    {
        if(this.lastkeys_val==NaN)
            this.lastkeys_val=-1;
        if(this.lastkeys_val==NaN)
            this.lastkeys_val=-1;
        this.lastkeys_val++;
        var nodes = document.getElementById("getplatform").childNodes;
        if (this.lastkeys_val >= nodes.length)
        {
            this.lastkeys_val--;
            return;
        }
        //alert(this.lastkeys_val);
        var b = 0;
        for (var i = 0; i < nodes.length; i++) {
            if (b == this.lastkeys_val)
            {
                document.getElementById("getplatform").childNodes[i].className = "mover";
                this.add_input_text(RemoveHtml(document.getElementById("getplatform").childNodes[i].innerHTML));
            }
            else {
                document.getElementById("getplatform").childNodes[i].className = "cul";
            }
            b++;
        }
    }

    this.ajaxac_getkeycode = function(e)
    {
        var code;
        if (!e)
            var e = window.event;
        if (e.keyCode)
            code = e.keyCode;
        else if (e.which)
            code = e.which;
        return code;
    }

    this.display = function(object, e)
    {
        if (!document.getElementById("getplatform"))
            this.init_zhaobussuggest();
        if (!e)
            e = window.event;
        e.stopPropagation;
        e.cancelBubble = true;
        if (e.target)
            targ = e.target;
        else if (e.srcElement)
            targ = e.srcElement;
        if (targ.nodeType == 3)
            targ = targ.parentNode;
        
        var inputkeys = this.ajaxac_getkeycode(e);
        if (!object.value)
        {
            this.hidden_suggest();
            return;
        }
        
        switch (inputkeys)
        {
            case 38:
                this.keys_handleup(object.id);
                return; break;
            case 40:
                if (this.is_showsuggest())
                    this.keys_handledown(object.id);
                else
                    this.show_suggest();
                return; break;
            case 39:
                return; break;
            case 37:
                return; break;
            case 18:
                this.hidden_suggest();
                return; break;
            case 27:
                this.hidden_suggest();
                return; break;
        }

        //object.value = this.ltrim(object.value);
        this.object = object;
        if (object.value == this.lastinputstr)
            return;
        else
            this.lastinputstr = RemoveHtml(object.value);
        if (object.value.lenth <= 3)
            return;
        if (window.opera)
            this.sleep(500);
        parentbject = this;
        if (this.taskid)
            window.clearTimeout(this.taskid);
        setTimeout("parentbject.remoreurltext();", this.delaySec);
        this.taskid = setTimeout("parentbject.remoreurltext();", this.delaySec);
    }

    this.remoreurltext = function()
    {
        platkeys = this.object.value;
        ll = new Array("[", "]", "(", ")", "<", ">", "?", "*", "~", "!", "@", "#", "$", "%", "^", "&");
        for (i = 0; i < ll.length; i++) {
            platkeys = platkeys.replace(ll[i], "");
        }
        if (!platkeys)
            return;
        var req = null;
        if (window.XMLHttpRequest)
            try {
            req = new XMLHttpRequest
        }
        catch (e) {
        }
        else if (window.ActiveXObject)
            for (var b = 0, c; c = ["MSXML2.XMLHTTP.6.0", "MSXML2.XMLHTTP.3.0", "MSXML2.XMLHTTP", "Microsoft.XMLHTTP"][b++]; )
            try {
                req = new ActiveXObject(c);
            break;
        }
        catch (e) {
        }
        if (req == null)
            alert('你的浏览器版本太低，无法使用某些功能！');
        if (req) {
            req.onreadystatechange = function() {
                if (req.readyState == 4 && (req.status == 200 || req.status == 304))
                {
                    //alert(req.responseText);
                    parentbject.show_suggest(); 	//显示Div层
                    //alert(req.responseText);
                    parentbject.fill_div(req.responseText.split(',')); //填充数据
                    parentbject.fix_div_coordinate(); //调整位置
                }
            }
            platkeys = escape(platkeys); //encodeURI(platkeys);
            //alert(platkeys);
            req.open('post', this.Remoreurl + '?KeyWord=' + platkeys + '&rnd=' + Math.random()); //发送参数
            req.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded; charset=UTF-8');
            req.send(null);
        }
    }
}