// Nilania Javascripts

function decode(l,shift)  
{  
    g = ""; c = "";  
    for ( i=0;i < l.length;i++)  
    {c = l.charAt(i);g += String.fromCharCode( c.charCodeAt(0) - shift );}  
	window.location.href = g;  
}  

function showContents(type){
	setAllContentInvisible();
	document.getElementById(type).style.display = "block";
}

function setAllContentInvisible(){
	document.getElementById("contents_danszaal").style.display = "none";
	document.getElementById("contents_voorzaal").style.display = "none";
	document.getElementById("contents_bovenzaal").style.display = "none";
	document.getElementById("contents_restaurant").style.display = "none";
}