//Function to display (or not display) buttons, graphics and tables

function Toggle(item,graphicOpen,graphicClose,w1,h1,w2,h2) {
   obj=document.getElementById(item);
   visible=(obj.style.display!="none")
   key=document.getElementById("x" + item);
   if (visible) {
     obj.style.display="none";
     key.innerHTML="<img src='images/" + graphicOpen + "' width='" + w1 + "' height='" + h1 + "' hspace='0' vspace='0' border='0' alt='' />";
   } else {
      obj.style.display="block";
      key.innerHTML="<img src='images/" + graphicClose + "' width='" + w2 + "' height='" + h2 + "' hspace='0' vspace='0' border='0' alt='' />";
   }
}