// Drop down sections
 function swch( secid )
 {
     var sectionId = document.getElementById(secid);
     if (sectionId == null) return;
     if (sectionId.style.display == '') 
     {
       sectionId.style.display = 'none';
       var ImgSrc = document.getElementById("i" + secid);
       ImgSrc.src = "images/plus.gif";
     }
     else
     {
       sectionId.style.display = '';
       var ImgSrc = document.getElementById("i" + secid);
       ImgSrc.src = "images/minus.gif";
     }
 }

 function Hide( obj )
 {var oDiv = document.getElementById(obj);if(oDiv != null) oDiv.style.display = "none";}