function SwitchNewsTag(id,num,count)
{
	ClearTagClass(id,count);
	document.getElementById("tagname_" + id + num).className = "tag-on";
	document.getElementById(id + num).className = "showblock";
}
function ClearTagClass(id,count)
{
	for(i=1;i<=count;i++)
	{
		document.getElementById("tagname_" + id + i).className = "tag-off";
		document.getElementById(id + i).className = "hiddenblock";
	}
} 
//<!CDATA[
function g(o){
return document.getElementById(o);
}
function HoverLi(n){
 for(var i=1;i<=5;i++){
  g('tb_'+i).className='normaltab';
  g('tbc_0'+i).className='undis';
 }
 g('tbc_0'+n).className='dis';
 g('tb_'+n).className='hovertab';
}