var ulWidth = jQuery("##MarqueeDiv2>ul>li").size()*118;//将单个图片的宽度乘以图片个数赋值给ul
jQuery("#MarqueeDiv2>ul").css("width",ulWidth+"px");

/*********箭头控制滚动方向、加速及鼠标拖动***************/
var MarqueeDiv2Control=new Marquee("MarqueeDiv2");		//箭头控制滚动方向、加速及鼠标拖动实例
MarqueeDiv2Control.Direction="left";
MarqueeDiv2Control.Step=1;
MarqueeDiv2Control.Width=826;
MarqueeDiv2Control.Height=82;
MarqueeDiv2Control.Timer=20;
MarqueeDiv2Control.ScrollStep=1;				//若为-1则禁止鼠标控制实例
MarqueeDiv2Control.Start();
$("LeftButton2").onmouseover=function(){MarqueeDiv2Control.Direction=2};
$("LeftButton2").onmouseout=$("LeftButton2").onmouseup=function(){MarqueeDiv2Control.Step=MarqueeDiv2Control.BakStep};
$("LeftButton2").onmousedown=$("RightButton2").onmousedown=function(){MarqueeDiv2Control.Step=MarqueeDiv2Control.BakStep+3};
$("RightButton2").onmouseover=function(){MarqueeDiv2Control.Direction=3};
$("RightButton2").onmouseout=$("RightButton2").onmouseup=function(){MarqueeDiv2Control.Step=MarqueeDiv2Control.BakStep};