//滑动菜单功能
function menuFix()
{
      var sfEls;
      var NavRange=document.getElementsByName("SliderNavArea"); //找到滑动菜单集合
      var RangeLen=NavRange.length; //获取滑动范围的个数
      for(var j=0;j<RangeLen;j++)
      {
         sfEls = NavRange[j].getElementsByTagName("li");
         for (var i=0; i<sfEls.length; i++)
          {
             sfEls[i].onmouseover=function()
               {
                this.className+=(this.className.length>0? " ": "") + "sfhover";
               }
              sfEls[i].onMouseDown=function()
               {
                  this.className+=(this.className.length>0? " ": "") + "sfhover";
               }
              sfEls[i].onMouseUp=function()
                {
                this.className+=(this.className.length>0? " ": "") + "sfhover";
                }
              sfEls[i].onmouseout=function()
               {
                    this.className=this.className.replace(new RegExp("( ?|^)sfhover\\b"),"");
               }
         }
         
      }
                              
}