function Show(id)
{
 for(i=1;i<45;i++){
	 Hide(i);
 }
 
 var item = null;
 if (document.getElementById) item = document.getElementById(id);
 else if (document.all) item = document.all[id];
 else if (document.layers) item = document.layers[id];
 if (item) if (item.style) item.style.display = "";
}
function Hide(id)
{
   var item = null;
 if (document.getElementById) item = document.getElementById(id);
 else if (document.all) item = document.all[id];
 else if (document.layers) item = document.layers[id];
 if (item) if (item.style) item.style.display = "none";
}
function ShowOrHide(id)
{
 var item = null;
 if (document.getElementById) item = document.getElementById(id);
 else if (document.all) item = document.all[id];
 else if (document.layers) item = document.layers[id];
 if (!item){  }
  else if (item.style)
  {
   if (item.style.display == "none") item.style.display = "";
   else item.style.display = "none";
  }
  else
  {
   item.visibility = "show";
  }
}