function ShowLayerById(id)
{   
	document.getElementById(id).style.visibility = "visible";
	if ( (document.getElementById(id).tagName=="TR") && (navigator.userAgent.toLowerCase().indexOf("msie")<0) )
	{
	   document.getElementById(id).style.display = "table-row";
	}
	else
	{
	   document.getElementById(id).style.display = "block";
	}	
}
function HideLayerById(id)
{
	document.getElementById(id).style.visibility = "hidden";
	document.getElementById(id).style.display = "none";
}