//<img src="ImgIndex/Bullet2.gif" title="" style="cursor:hand" width="10" height="20" onclick="noc_toggle ('sub10')">
//<DIV id=sub10> or
//<DIV id=sub10 style="display:none">
// Source Code From ThaiAg.net
function noc_toggle (subid, img)
{
	target = document.all( subid );
	imgtarget = document.all( img );

  		if (target.style.display == "none")
		{	
  			target.style.display = "";
			if(img > "img_xx")
				{
					imgtarget.src = "images/icon/Bullet4.gif";
				}
			else imgtarget.src = "images/icon/up.gif";
  		}
		else
		{	
		  	target.style.display = "none";		
			if(img > "img_xx")
				{
					imgtarget.src = "images/icon/Bullet2.gif";
				}
			else imgtarget.src = "images/icon/down.gif";		
		}				
}