// this one is good both on opera and ie

function ShowHideDiv(id) {
  var itm = GetElemByID(id);
  if (!itm) {
     alert("Your browser does not support this option \nPlease update your browser");
  }else if (itm.style) {//ie,ns6,opera7
	   if (itm.style.display == "none") { itm.style.display = "block"; } else { itm.style.display = "none"; }
  }else if (itm.visibility) {
	   if (itm.visibility == "hide") { itm.visibility = "show"; } else { itm.visibility = "hide"; }
  }else{
    //alert("stupid browser");
  }
}

function ShowDiv(Itm)
{
	if	(document.layers) {
		document.layers[Itm].visibility="visible"; 
	} else if (document.getElementById) {
		document.getElementById(Itm).style.display="block";
		document.getElementById(Itm).style.visibility="visible";
	} else if (document.all) {
		document.all(Itm).style.display="block";
		document.all(Itm).style.visibility="visible";	
	}
}
	

function HideDiv(Itm) 
{
	if	(document.layers) {
		document.layers[Itm].visibility="hidden"; 
	} else if (document.getElementById) {
		document.getElementById(Itm).style.display="none";
		document.getElementById(Itm).style.visibility="hidden";
	} else if (document.all) {
		document.all(Itm).style.display="none";
		document.all(Itm).style.visibility="hidden";	
	}
}