var titleHeight = 20;    //标题的高度

var bodyHeight = 230;    //菜单内容项的高度

var groupcount = 2;      //组的个数

var step = 4;          //移动速度

//显示菜单的内容

function showDiv(obj1, obj2)

{

    //以下循环为改变标题的背景颜色

    for(i=0;i<document.all.tags("td").length;i++)

    {

      if (document.all.tags("td")[i].className == 'headtd')

       document.all.tags("td")[i].bgColor = '#999999';

    }

    obj2.bgColor = '#999999';

    moveme(obj1);

}

//移动菜单内容

function moveme(obj)

{

    idnumber = parseInt(obj.id.substr(4));

    objtop = titleHeight * (idnumber - 1);

    objbuttom = bodyHeight + titleHeight * (idnumber - 2);

    currenttop = parseInt(obj.style.top);

    if (currenttop >= objbuttom)

    {

      //检验出每一个应该向上移动的层

      countid = 1;

      for(i=0;i<document.all.tags("div").length;i++)

      {

       if (document.all.tags("div")[i].id == 'item'+countid+'body')

       {

        obj = document.all.tags("div")[i];

        objtop = titleHeight * (countid - 1);

        moveup(obj,objtop);

        if (countid == idnumber)

         break;

        countid++;

       }

      }

}

else if ((currenttop <= objtop) && (idnumber < groupcount))

{

  //检验出每一个应该向下移动的层

  idnumber++;

  countid = groupcount;

  for(i=document.all.tags("div").length-1;i>=0;i--)

  {

   if (document.all.tags("div")[i].id == 'item'+countid+'body')

   {

    obj = document.all.tags("div")[i];

    objbuttom = bodyHeight + titleHeight * (countid - 2);

    movedown(obj,objbuttom);

    if (countid == idnumber)

     break;

    countid--;

   }

  }

}

}

//向上移动的方法

function moveup(obj,objtop)

{

    currenttop = parseInt(obj.style.top);

    if (currenttop > objtop)

    {

      obj.style.top = currenttop - step;

      window.setTimeout('moveup('+obj.id+','+objtop+')',1)

    }

}

//向下移动的方法

function movedown(obj,objbuttom)

{

    currenttop = parseInt(obj.style.top);

    if (currenttop < objbuttom)

    {

      obj.style.top = currenttop + step;

      window.setTimeout('movedown('+obj.id+','+objbuttom+')',1)

    }

}




var sh;

marqueesWidth=900;

preLeft=0; currentLeft=0; stopscroll=false; getlimit=0;preTop=0; currentTop=0;



function scrollLeft()

{

	if(stopscroll==true) return;

	preLeft=marquees.scrollLeft;

	marquees.scrollLeft+=2;

	if(preLeft==marquees.scrollLeft)

	{

		//marquees.scrollLeft=templayer.offsetWidth-marqueesWidth+1;

	}

}



function scrollRight()

{

	if(stopscroll==true) return;



	preLeft=marquees.scrollLeft;

	marquees.scrollLeft-=2;

	if(preLeft==marquees.scrollLeft)

	{

		if(!getlimit)

		{

			marquees.scrollLeft=templayer.offsetWidth*2;

			getlimit=marquees.scrollLeft;

		}

		marquees.scrollLeft-=1;

	}

}



function Left()

{

	stopscroll = false;

	sh = setInterval("scrollLeft()",20);

}



function Right()

{

	stopscroll = false;

	sh = setInterval("scrollRight()",20);

}



function StopScroll()

{

	stopscroll = true;

	clearInterval( sh );

}







function SelectType(value)

{

	document.all.sendForm.page.value = 1;

	document.all.sendForm.type.value = value;



	document.all.sendForm.submit();

}



function init()

{

	with(marquees)

	{

		style.height=0;

		style.width=marqueesWidth;

		style.overflowX="hidden";

		style.overflowY="visible";

		style.align = "center";

		noWrap=true;

	}

}