// JavaScript Document
// Script by Jonas Collin 2006
// Mail: jonas.collin@mmedu.net


function show(objName){

	if(document.getElementById(objName)){
	
		document.getElementById(objName).style.visibility = 'visible';
	}
}

function hide(objName){

	if(document.getElementById(objName)){
	
		document.getElementById(objName).style.visibility = 'hidden';
	}
}