function Show(id)
{
 for(i=0;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";
}