function nTabs(thisObj,Num){
if(thisObj.className == "active")return;
var tabObj = thisObj.parentNode.id;
var tabList = document.getElementById(tabObj).getElementsByTagName("li");
	for(i=0; i < tabList.length; i++)
	{
	  if (i == Num)
	  {
	   thisObj.className = "active"; 
	   document.getElementById(tabObj+"_Content"+i).style.display = "block";
	  }
	  else{
	   tabList[i].className = "normal"; 
	   document.getElementById(tabObj+"_Content"+i).style.display = "none";
	  }
	} 
}

function doZoom(size){
if (size==12){
	document.getElementById('infobox').className='infobox_s';
}
else if (size==14){
	document.getElementById('infobox').className='infobox_m';
} 
else if (size==16){
	document.getElementById('infobox').className='infobox_l';
} 
}