 /* ï¿½ï¿½ï¿½Ú»ï¿½ï¿½ï¿½jQueryÍ¼Æ¬Æ½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½(2009.04)
 * ï¿½ï¿½IE6/IE7/Mozilla 5.0ï¿½ï¿½Firefox 3.0.5ï¿½ï¿½ï¿½Ð²ï¿½ï¿½ï¿½Í¨ï¿½ï¿½
 * 
 * 
 * ï¿½Ë²ï¿½ï¿½Òªï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½jQuery v1.2 ï¿½ï¿½ï¿½ß°æ±¾ï¿½ï¿½
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 * ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½Ç°ï¿½ï¿½ï¿½Èµï¿½ï¿½ï¿½http://gmarwaha.com/jquery/jcarousellite/ ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½jcarouselliteï¿½ï¿½ï¿½ï¿½ï¿?
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 * 
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 * ï¿½ï¿½ï¿½ï¿½Ö§ï¿½Ö£ï¿½HTTP://HI.BAIDU.COM/DPXDQX
 * ï¿½ï¿½Îªï¿½ï¿½ï¿½É¿ï¿½ï¿½ï¿½ï¿½æ±¾ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½Ú´Ë»ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ÎºÎ¹ï¿½ï¿½ï¿½
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 *  <script type="text/javascript" src="js/jquery_last.js"></script>
 *  <script type="text/javascript" src="js/YlMarquee.js">
 * Ê¹ï¿½Ã·ï¿½ï¿½ï¿½ï¿½ï¿½
 * 
 * 1ï¿½ï¿½Îªï¿½ï¿½Òªï¿½ï¿½ï¿½Ã¹ï¿½Ä¶ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½classï¿½ï¿½ï¿½ï¿½class="ylMarquee"
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 *  <div class="ylMarquee">
 *     <ul>
 *          <li><img src="image/1.jpg" alt="1"></li>
 *          <li><img src="image/2.jpg" alt="2"></li>
 *          <li><img src="image/3.jpg" alt="3"></li>
 *      </ul>
 *  </div>
 * 4ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ylMarqueeï¿½ï¿½heightï¿½ï¿½widthï¿½ï¿½Ê½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½Ï¹ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½heightï¿½Ä´ï¿½Ð¡ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½widthï¿½Ä´ï¿½Ð¡ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½Ò³ï¿½æ½«ï¿½ï¿½Ê¾ï¿½ï¿½ï¿½ï¿½
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 * <script type="text/javascript">
 * $(document).ready(function(){
 *  $(".stroll").jMarquee({
 *     visible:3,
 *     step:1,
 *     direction:"left"
 *   });
 *});
 * </script>
 * 6ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½Ø²ï¿½ï¿½ï¿½
 * visible:Ò³ï¿½ï¿½É¼ï¿½Ôªï¿½Ø£ï¿½Í¼Æ¬ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½Ä¬ï¿½ï¿½Î?ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿?
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 */

(function($) { 
 $.fn.jMarquee = function(o) {
    o = $.extend({
    speed:30,
    step:1,//ï¿½ï¿½ï¿½ï¿½ï¿?
    direction:"up",//ï¿½ï¿½ï¿½ï¿½ï¿?
    visible:1//ï¿½É¼ï¿½Ôªï¿½ï¿½ï¿½ï¿½ï¿?
    }, o || {});
    //ï¿½ï¿½È¡ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½Ú¸ï¿½Ôªï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½Ï?
    var i=0;
    var div=$(this);
    var ul=$("ul",div);
    var tli=$("li",ul);
    var liSize=tli.size();
    if(o.direction=="left")
        tli.css("float","left");
    var liWidth=tli.innerWidth();
    var liHeight=tli.height();
    var ulHeight=liHeight*liSize;
    var ulWidth=liWidth*liSize;
  
    //ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½Ôªï¿½Ø¸ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½Ö¸ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½Ê¾Ôªï¿½ï¿½ï¿½ï¿½ï¿½ï¿½Ð¹ï¿½ï¿½ï¿½ï¿½ï¿½ò²»¹ï¿½ï¿½
    if(liSize>o.visible){
        ul.append(tli.slice(0,o.visible).clone())  //ï¿½ï¿½ï¿½ï¿½Ç°o.visibleï¿½ï¿½liï¿½ï¿½ï¿½ï¿½ï¿½ï¿½Óµï¿½ulï¿½ï¿½ï¿½ï¿½ï¿?
        li=$("li",ul);
        liSize=li.size();
        
          //ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½CSSï¿½ï¿½Ê½
        div.css({"position":"relative",overflow:"hidden"});
        ul.css({"position":"relative",margin:"0",padding:"0","list-style":"none"});
        li.css({margin:"0",padding:"0","position":"relative"});
        
        switch(o.direction){
            case "left":
                div.css("width",(liWidth*o.visible)+"px");
                ul.css("width",(liWidth*liSize)+"px");
                li.css("float","left");
                break;
            case "up":
                div.css({"height":(liHeight*o.visible)+"px"});
                ul.css("height",(liHeight*liSize)+"px");
                break;
        }
        
       
        var MyMar=setInterval(ylMarquee,o.speed);
        ul.hover(
            function(){clearInterval(MyMar);},
            function(){MyMar=setInterval(ylMarquee,o.speed);}
        );
    };
    function ylMarquee(){
         
        if(o.direction=="left"){
            if(div.scrollLeft()>=ulWidth){
                div.scrollLeft(0);
            }
            else
            {
                var leftNum=div.scrollLeft();
                leftNum+=parseInt(o.step);
                div.scrollLeft(leftNum)
            }
        }
        
        if(o.direction=="up"){
            if(div.scrollTop()>=ulHeight){
               div.scrollTop(0);
                
            }
            else{
               var topNum=div.scrollTop();
               topNum+=parseInt(o.step);
               div.scrollTop(topNum);
            }
        }
        
    };
   
}; 
     
})(jQuery);
     
   
     



