var oldwhich = "";
var oldwhich2 = "";
	function hideshow(which,which2)
	{
		  
		if (oldwhich!="" )
		    oldwhich.style.display = "none";
		    oldwhich2.src = "images/masterpage/plus_on.gif"
		
		 
		if (!document.getElementById)
		return
if (which.style.display == "") {
    which.style.display = "none"
    which2.src = "images/masterpage/plus_on.gif"
    
}
else {
    which.style.display = ""

   /* which2.innerHTML = "<font color='#FF0000' size='4'>-</font>"
   */
    which2.src = "images/masterpage/plus_off.gif"
}


		if(oldwhich==which )
		 {
		     which.style.display = "none";
		     which2.src = "images/masterpage/plus_on.gif"

		     oldwhich = "";
		     oldwhich2 = "";

		  } 
		 else
		     oldwhich = which
		 oldwhich2 = which2
                   		
		
		
	}