function onnewslist()
{
	news1.style.display="none";
	news2.style.display="none";
	news3.style.display="none";
	news4.style.display="none";	
}
function onnewslist2()
{
	bbs1.style.display="none";
	bbs2.style.display="none";
}
function onnewslist3()
{
	idea1.style.display="none";
	idea2.style.display="none";
}