function show(obj)
{
for(var i=1;i<=3;i++)
{
if(i==obj)
{
document.getElementById("tab"+i).style.display="block";
document.getElementById("img"+i).style.display="block";
document.getElementById("hrefsrc").href="news/xinwen.asp?typeid="+(i==2?("14"):(i==1?(i+1):("3")));
}
else
{
document.getElementById("tab"+i).style.display="none";
document.getElementById("img"+i).style.display="none";
}
}
}
