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 showsubmenu(sid)
{
whichel = eval("submenu" + sid);
	if (whichel.style.display == "none")
	{
	eval("submenu" + sid + ".style.display='';");
	}
	else
	{
	eval("submenu" + sid + ".style.display='none';");
	}
}
var tID = "nav1";
function showmenuline(ID){
  if(ID!=tID){
	var IDObj = document.getElementById( ID );
	var tIDObj = document.getElementById( tID );
	var IDObj_content = document.getElementById( ID + "_" );
	var tIDObj_content = document.getElementById( tID + "_" );
    	IDObj.className='nav_link_02';
    	tIDObj.className='nav_link_01';
  	tIDObj_content.style.display='none';
  	IDObj_content.style.display='';
    	tID=ID;
  }
}