function $id(id)
{
	return document.getElementById(id);
}

function changeimg(id)
{
	if(id==1)
	{
		$id("cimg1").src="images/news/indexlist11.jpg";
		$id("cimg2").src="images/news/indexlist21.jpg";
		$id("newdiv1").style.display="";
		$id("newdiv2").style.display="none";
		$id("clink").href="column.aspx?id=1001";
	}
	else
	{
		$id("cimg1").src="images/news/indexlist12.jpg";
		$id("cimg2").src="images/news/indexlist22.jpg";
		$id("newdiv1").style.display="none";
		$id("newdiv2").style.display="";
		$id("clink").href="column.aspx?id=1002";
	}
}