function newsTab(name,cursel,n){
	for(i=1; i<=n; i++){
		var menu=document.getElementById(name+i);
		var con=document.getElementById(name+'Con'+i)
		if(i==cursel){
			menu.className='inNav'+i+'_on';
			con.style.display='block';
			}
		else{
			menu.className='inNav'+i;
			if(cursel==3)
			{
				document.getElementById('newsnav1').className='inNav1_off2';
			}	
			con.style.display='none';
			}	
		}
    }
function inputKeyDown()
{
	if(document.getElementById("btnSearch"))
	{
		if(event.keyCode && event.keyCode == 13)
		{
			document.getElementById("btnSearch").onclick();
		}
	}
}
function SubmitSearch(searchUrl)
{
	if(document.getElementById("wd"))
	{
	   var keyword=document.getElementById("wd").value;
	   if(keyword == "" || keyword =="搜索")
	   {
		   alert('请输入关键词！');
		   document.getElementById("wd").onfocus();
		   return false;
	   }
	   else
	   {
		   window.location.href=searchUrl+"&keyword="+encodeURIComponent(keyword);
	   }
	}
}