function ShowElement( targetId ){

	port = 'p' + targetId;
		
	if (document.getElementById){
	
		target = document.getElementById(port);
		target.style.display = "";

	}
}

function HideElement( targetId ){

	port = 'p' + targetId;
		
	if (document.getElementById){
	
		target = document.getElementById(port);
		target.style.display = "none";

	}
}