Toggle

// JavaScript Document
function toggle(item) {
   obj=document.getElementById(item);
   obj2=document.getElementById(item + "img");
   visible=(obj.style.display!="none")  
   if (visible) {
     obj.style.display="none";
	 obj2.src = "../images/tog-plus.gif";
   } else {
      obj.style.display="";
	  obj2.src = "../images/tog-minus.gif";
   }
}