页面有多个jquery版本，如何解决冲突

有两个Jquery，如果放到同一个页面就会冲突导致无法运行，请问如何处理才能解决这个问题，最好能把答案写出来，因为本人在JQuery是菜鸟级别，谢谢了<head runat="server">
    <title>无标题页</title>    <script type="text/javascript" src="js/jquery-1.4.2.min.js"></script>
    <script type="text/javascript" src="js/jquery.easing.1.3.js"></script>
    <script type="text/javascript" src="js/jquery.verticalTab.js"></script>
    <link href="style/css/base.css" rel="stylesheet" type="text/css" />
    <link href="style/css/demo.css" rel="stylesheet" type="text/css" />    <script type="text/javascript">  
             var jQuery_New = $.noConflict(true);  
         </script>  
    <script type="text/javascript">
$(function(){
var VT = $("#demo1").verticalTab({titlesApplyTo:"#demo1-titles",
                         contentsApplyTo : "#demo1-contents",
 currentTitleCls : "demo1-current-title",
 animateType : "fade"});  
})
    </script>
</head>
<body>
    <form id="form1" runat="server">
    <div class="mar-t-10 clearfix" id="demo1">
            <div class="l" id="demo1-titles">
                <ul>
                    <li>相关文章 </li>
                    <li>最新文章 </li>
                    <li>最热文章 </li>
                    <li class="bor-b-no">随机文章 </li>
                </ul>
            </div>
            <div class="l" id="demo1-contents">
                <ul>
                    <li>
                        <ul class="post-title-list">
                            <li>f</li>
                        </ul>
                    </li>
                    <li>
                        <ul class="post-title-list">
                            <li>a</li>
                        </ul>
                    </li>
                    <li>
                        <ul class="post-title-list">
                            <li>d</li>
                        </ul>
                    </li>
                    <li>
                        <ul class="post-title-list">
                            <li>f</li>
                        </ul>
                    </li>
                </ul>
            </div>
        </div>
    </form>
</body>
<head runat="server">
    <title>无标题页</title>
    <style type="text/css">
*{margin:0;padding:0;list-style-type:none;}
a,img{border:0;}
img{vertical-align:middle}
/* lamp */
.lamp{height:906px;width:960px;position:relative;margin:0 auto;}
.lamp .sublight{position:absolute;display:block;overflow:hidden;}
.lamp .pic1{top:0;left:0;width:240px;height:366px;}
.lamp .pic2{top:0;left:240px;width:480px;height:183px;}
.lamp .pic3{top:0;left:720px;width:240px;height:183px;}
.lamp .pic4{top:183px;left:240px;width:240px;height:183px;}
.lamp .pic5{top:183px;left:480px;width:240px;height:183px;}
.lamp .pic6{top:183px;left:720px;width:240px;height:183px;}
.lamp .pic7{top:366px;left:0;width:240px;height:366px;}
.lamp .pic8{top:366px;left:240px;width:480px;height:183px;}
.lamp .pic9{top:366px;left:720px;width:240px;height:183px;}
.lamp .pic10{top:549px;left:240px;width:240px;height:183px;}
.lamp .pic11{top:549px;left:480px;width:240px;height:183px;}
.lamp .pic12{top:549px;left:720px;width:240px;height:183px;}
</style>
</head>
<body>
    <form id="form1" runat="server">
        <div class="lamp">
            <div>
                <a target="_blank" href="http://www.jsfoot.com/" class="sublight pic1">
                    <img src="images/dudu.jpg" title="DUDU 源自意大利的真皮风尚"></a> <a target="_blank" href="http://www.jsfoot.com/"
                        class="sublight pic2">
                        <img src="images/event_02.jpg" title="浪美 自由行走间的风尚标" /></a> <a target="_blank" href="http://www.jsfoot.com/"
                            class="sublight pic3">
                            <img src="images/gb3.jpg" title="戈尔本 成就男士商务之旅"></a> <a target="_blank" href="http://www.jsfoot.com/"
                                class="sublight pic4">
                                <img src="images/zne.jpg" title="卓妮尔 当优雅与摩登不期而遇"></a> <a target="_blank" href="http://www.jsfoot.com/"
                                    class="sublight pic5">
                                    <img src="images/fbs2.jpg" title="梵贝斯 来自东京武藏野设计"></a> <a target="_blank" href="http://www.jsfoot.com/"
                                        class="sublight pic6">
                                        <img src="images/xxbm2.jpg" title="希夏邦马 运动与旅行的完美结合"></a>
            </div>
            <div>
                <a target="_blank" href="http://www.jsfoot.com/" class="sublight pic7">
                    <img src="images/dudu.jpg" title="DUDU 源自意大利的真皮风尚"></a> <a target="_blank" href="http://www.jsfoot.com/"
                        class="sublight pic8">
                        <img src="images/event_02.jpg" title="浪美 自由行走间的风尚标" /></a> <a target="_blank" href="http://www.jsfoot.com/"
                            class="sublight pic9">
                            <img src="images/gb3.jpg" title="戈尔本 成就男士商务之旅"></a> <a target="_blank" href="http://www.jsfoot.com/"
                                class="sublight pic10">
                                <img src="images/zne.jpg" title="卓妮尔 当优雅与摩登不期而遇"></a> <a target="_blank" href="http://www.jsfoot.com/"
                                    class="sublight pic11">
                                    <img src="images/fbs2.jpg" title="梵贝斯 来自东京武藏野设计"></a> <a target="_blank" href="http://www.jsfoot.com/"
                                        class="sublight pic12">
                                        <img src="images/xxbm2.jpg" title="希夏邦马 运动与旅行的完美结合"></a>
            </div>
        </div>        <script type="text/javascript" src="http://www.jsfoot.com/skinnew/js/jquery-1.2.6.pack.js"></script>        <script type="text/javascript">
// 高亮效果
var blockHighLight = (function(window, $, undefined){
    var ers = [];
    return function(boxCls, itemCls, sizeArr){
        var box = $(boxCls);
        itemCls = itemCls || "a";
        box.find(itemCls).each(function(i){
            var self = $(this);
            var arr,w,h,er;
            if(sizeArr !== undefined){
                arr = sizeArr[i].split(",");
                w = arr[0];
                h = arr[1];
            }else{
                w = self.find("img").attr("width");
                h = self.find("img").attr("height");
            }
            er = $('<div style="cursor:pointer;top:0;left:0;position:absolute;width:'+w+'px;height:'+h+'px;filter:alpha(opacity=0);opacity: 0;background-color:#000;"></div>');
            self.append(er);
            self.mouseover(function(){
                for(var i=0; i<ers.length; i++){
                    ers[i].show().css({"opacity":'0.2',"filter":"alpha(opacity=20)"});
                }
                er.hide();
            });     
            ers.push(er);
                
        });        box.mouseout(function(){
            for(var i=0; i<ers.length; i++){
                ers[i].css({"opacity":'0',"filter":"alpha(opacity=0)"});
            }
        })
    }
})(this, $);blockHighLight( ".lamp", //父元素
".sublight", //子元素集

[
'240,366', //第一张图片的宽高
'480,183', //第二张图片的宽高
'240,183', //第三张图片的宽高
'240,183', //第四张图片的宽高
'240,183', //第五张图片的宽高
'240,183', //第六张图片的宽高
'240,366', //第一张图片的宽高
'480,183', //第二张图片的宽高
'240,183', //第三张图片的宽高
'240,183', //第四张图片的宽高
'240,183', //第五张图片的宽高
'240,183'  //第六张图片的宽高
]
);         </script>    </form>
</body>