function setNews(i)
{
 selectNews(i);
}
function selectNews(i)
{
 switch(i)
 {
 case 1:
document.getElementById("news_s1").style.display="block";
document.getElementById("news_s2").style.display="none";
document.getElementById("news_s3").style.display="none";
 break;
case 2:
document.getElementById("news_s1").style.display="none";
document.getElementById("news_s2").style.display="block";
document.getElementById("news_s3").style.display="none";
 break;
 case 3:
document.getElementById("news_s1").style.display="none";
document.getElementById("news_s2").style.display="none";
document.getElementById("news_s3").style.display="block";
 break;
 }
}