
 <!-- div的自动切换 -->
 	function ss()
{
	var div1=document.getElementById("con_one_1");
	var div2=document.getElementById("con_one_2");
	var li1 = document.getElementById("one1");
	var li2 = document.getElementById("one2");
	if(div1.style.display=='')
	{
		li2.className='hover';
		li1.className='';
		div2.style.display='';
		div1.style.display='none';
	}
	else
	{
		li1.className='hover';
		li2.className='';
		div1.style.display='';
		div2.style.display='none';
	}
}
function dd()
{
	window.setInterval("ss()",2000);
}