function showElement(trigger, id, valShow, valHide)
{
   var elem;
   
   if( document.all )
   {
      elem = document.all[id];	  
   }
   else if( document.getElementById )
   {
      elem = document.getElementById(id);
   }
   
   if( elem )
   {
      if( elem.style.display == "none" )
	  {
  	     elem.style.display = "block";
	     trigger.value = valHide;
	  }
	  else
	  {
  	     elem.style.display = "none";	  
	     trigger.value = valShow;		 
	  }
   }      
}

CODE_SHOW = "Show source code";
CODE_HIDE = "Hide source code";
function showCode(trigger, id)
{
   showElement(trigger, id, CODE_SHOW, CODE_HIDE);
}


IFRAME_SHOW = "Show Bookmarklet Configuration Help";
IFRAME_HIDE = "Hide Bookmarklet Configuration Help";
function showIframe(trigger, id)
{
   showElement(trigger, id, IFRAME_SHOW, IFRAME_HIDE);
}