function changenews(button,content,number){
 var i=0;
 var buttonpieces = document.getElementsByName(button);
 var contentpieces = document.getElementsByName(content);
	for(i=0;i<buttonpieces.length;i++){
	buttonpieces[i].background="";
	contentpieces[i].style.display="none";
	}
	buttonpieces[number-1].background="images/jxs_index_dh01.gif";
	contentpieces[number-1].style.display="block";
}

function changenews2(button,content,number){
 var i=0;
 var buttonpieces = document.getElementsByName(button);
 var contentpieces = document.getElementsByName(content);
	for(i=0;i<buttonpieces.length;i++){
	buttonpieces[i].bgColor="";
	contentpieces[i].style.display="none";
	}
	buttonpieces[number-1].bgColor="#ffbc51";
	contentpieces[number-1].style.display="block";
}
function changenews3(button,content,number){
 var i=0;
 var buttonpieces = document.getElementsByName(button);
 var contentpieces = document.getElementsByName(content);
	for(i=0;i<buttonpieces.length;i++){
	buttonpieces[i].background="";
	contentpieces[i].style.display="none";
	}
	buttonpieces[number-1].background="images/jxs_index_dh03.gif";
	contentpieces[number-1].style.display="block";
}