js可拖拽弹窗

	alertWin('审核提示','',400,200,id);

	function alertWin(title, msg, w, h, id) {
        var titleheight = "22px"; // 窗口标题高度
        var bordercolor = "#666699"; //窗口的边框颜色
        var titlecolor = "#FFFFFF"; // 窗口的标题颜色
        var titlebgcolor = "#666699"; // 窗口的标题背景色
        var bgcolor = "#FFFFFF"; // 内容背景色
        var iWidth = document.documentElement.clientWidth; //这个窗口的宽度
        var iHeight = document.documentElement.clientHeight; //这个窗口的高度

        //背景层的格式
        var bgObj = document.createElement("div");
        bgObj.style.cssText = "position:absolute;left:0px;top:0px;width:" + iWidth + "px;height:" + Math.max(document.body.clientHeight, iHeight) + "px;filter:Alpha(Opacity=30);opacity:0.3;background-color:#000000;z-index:1000;";
        document.body.appendChild(bgObj);

		// document.body.appendChild("<form action='' method='post' >");
        var iframe2 = document.createElement("iframe");
        iframe2.style.cssText = "position:absolute; top:0px;filter:Alpha(Opacity=30);opacity:0.3;background-color:#000000; z-index:1001; border-style:none; border-width:0px; border:0px;width:" + iWidth + "px;height:" + iHeight + "px";
        bgObj.appendChild(iframe2);

        //创建一个弹出层
        var msgObj = document.createElement("div");
        msgObj.setAttribute("id", "newDiv");

        //设置弹出的层的样式
        msgObj.style.cssText = "position:absolute;font:11px '宋体';top:" + (iHeight - h) / 2 + "px;left:" + (iWidth - w) / 2 + "px;width:" + w + "px;height:" + h + "px;text-align:center;border:1px solid " + bordercolor + ";background-color:" + bgcolor + ";padding:1px;line-height:22px;z-index:1001;";
        document.body.appendChild(msgObj);
        
        //创建一个table用于容纳层上的内容
        var table = document.createElement("table");
        $('#newDiv').append("<form action='' method='post' id='form222'></form>");

        //将Table放到弹出层上
        $('#form222').append(table);
        
        // msgObj.appendChild(table);

        //设置table的格式
        table.style.cssText = "margin:0px;border:0px;padding:0px;";
        table.cellSpacing = 0;

        //插入一行用于显示标题
        var tr = table.insertRow(-1);

        //插入一个单元格用于容纳标题
        var titleBar = tr.insertCell(-1);
        titleBar.style.cssText = "width:100%;height:" + titleheight + "px;text-align:left;padding:3px;margin:0px;font:bold 13px '宋体';color:" + titlecolor + ";border:1px solid " + bordercolor + ";cursor:move;background-color:" + titlebgcolor;
        titleBar.style.paddingLeft = "10px";

        //设置标题
        titleBar.innerHTML = title;

        //设置曾德拖动事件
        var moveX = 0;
        var moveY = 0;
        var moveTop = 0;
        var moveLeft = 0;
        var moveable = false;
        var docMouseMoveEvent = document.onmousemove;
        var docMouseUpEvent = document.onmouseup;

        //鼠标点击标题
        titleBar.onmousedown = function() {
            var evt = getEvent();
            moveable = true;
            moveX = evt.clientX;
            moveY = evt.clientY;
            moveTop = parseInt(msgObj.style.top);
            moveLeft = parseInt(msgObj.style.left);

            //鼠标拖动
            document.onmousemove = function() {
                if (moveable) {
                    var evt = getEvent();
                    var x = moveLeft + evt.clientX - moveX;
                    var y = moveTop + evt.clientY - moveY;
                    if (x > 0 && (x + w < iWidth) && y > 0 && (y + h < iHeight)) {
                        msgObj.style.left = x + "px";
                        msgObj.style.top = y + "px";
                    }
                }
            };
            document.onmouseup = function() {
                if (moveable) {
                    document.onmousemove = docMouseMoveEvent;
                    document.onmouseup = docMouseUpEvent;
                    moveable = false;
                    moveX = 0;
                    moveY = 0;
                    moveTop = 0;
                    moveLeft = 0;
                }
            };
        }
        
        //关闭按钮事件
        var closeBtn = tr.insertCell(-1);
        closeBtn.style.cssText = "cursor:pointer; text-align:right;padding:2px;background-color:" + titlebgcolor;
        closeBtn.innerHTML = "<span style='font-size:15pt;color:" + titlecolor + ";'>×</span>";
        closeBtn.onclick = function() {
            document.body.removeChild(bgObj);
            document.body.removeChild(msgObj);
        }

        //弹出的消息窗口内容
        var msgBox = table.insertRow(-1).insertCell(-1);
        msgBox.style.cssText = "font:10pt '宋体';";
        msgBox.colSpan = 2;
        msgBox.innerHTML = msg;

        //层上模板名称的内容
        var nameBox = table.insertRow(-1);
        var nameLable = nameBox.insertCell(-1);
        nameLable.style.cssText = "font:12pt '宋体';text-align:center;";
        nameLable.innerHTML = "<br/>不通过原因：<input type='hidden' value='"+id+"' name='listid' /><br/>";
        var nametext = nameBox.insertCell(-1);
        nametext.style.cssText = "font:12pt '宋体';text-align:Left; margin-left:0px";
        nametext.innerHTML = "<br/><input type='text' value='' id='modalName' name='fail_way'/>   <br/>";

        //层上动作按钮的内容
        var submitBox = table.insertRow(-1);
        var submitBtn = submitBox.insertCell(-1);
        submitBtn.style.cssText = "text-align:center;";
        submitBtn.colSpan = 2;

        // submitBtn.innerHTML = "<br/><input type='Button' value='通过' id='saveHeader'οnclick='return save(1)' /><input type='Button' value='不通过' id='saveHeader'οnclick='return save(2)' /><br/>";

        submitBtn.innerHTML = "<br/><input type='hidden' name='token' value='{$_W['token']}' /><input type='submit' name='submit111' value='通过' /><input type='submit' name='submit222' value='不通过' /><br/>";

        function getEvent() {
            return window.event || arguments.callee.caller.arguments[0];
        }
    }

	function getVal(){
		return $('#modalName').val();
	}