overdiv='0';
                function toggleBox(szDivID, iState) // 1 visible, 0 hidden
                {
                    if(document.layers)	   //NN4+
                    {
                       if(iState == 1)
                          {
                             document.layers[szDivID].visibility = "show";
                          }
                       else
                          {
                             if (overdiv == '0') {document.layers[szDivID].visibility = "hide";}
                        }
                    }
                    else if(document.getElementById)	  //gecko(NN6) + IE 5+
                    {
                       var obj = document.getElementById(szDivID);
                       if(iState == 1)
                          {
                             obj.style.visibility =  "visible";
                          }
                       else
                          {
                             if (overdiv == '0') {obj.style.visibility = "hidden";}
                          }
                    }
                    else if(document.all)	// IE 4
                    {
                       if(iState == 1)
                          {
                             document.all[szDivID].style.visibility = "visible";
                          }
                       else
                          {
                             if (overdiv == '0') {document.all[szDivID].style.visibility = "hidden";}
                          }
                    }
                }