overlay = '';

function redisplay() {
	if (overlay != '') {
		el = document.getElementById(overlay);
       		el.style.top = document.body.scrollTop;
       		el.style.left= document.body.scrollLeft;
	}
} 

function overlayOn(id) {
	overlay = id;
       	el = document.getElementById(overlay);
       	el.style.visibility =  "visible";
       	inEl = document.getElementById("d" + overlay);
       	inEl.style.display =  'block';
       	//inEl.style.visibility=  'visible'; 
	redisplay();
}

function overlayOff(id) {
       	el = document.getElementById(overlay);
       	el.style.visibility =  "hidden";
       	inEl = document.getElementById("d" + overlay);
       	inEl.style.display =  'none'; 
       	//inEl.style.visibility=  'hidden';
	overlay = '';
}


function toBooking() {
	window.location = "http://palladium-arvika.sytes.net/mina_sidor";
}