function showhide(id2)
{
	obj1 = document.getElementById(id2+"-head");
	if( obj1.className =="a_tit-T" )
		obj1.className="a_tit-S";
	else if( obj1.className =="a_tit-S" )
		obj1.className="a_tit-T";
	
	obj = document.getElementById(id2);
	if( obj.style.display == "block" )
		obj.style.display = "none";
	else
		obj.style.display = "block";
		
	return false;
}

function showall( )
{
   divList = document.getElementsByTagName("div");
   for (i = 0; i < divList.length; i++ )
   {
	  divList[i].style.display = "block";
   }

   aList = document.getElementsByTagName("a");
   for (i = 0; i < aList.length; i++ )
   {
	  if( aList[i].className =="title" )
		aList[i].className="title_active";
   }

   document.getElementById("showlink").style.display="none";
   return false;
 }