function getObject(objectId) {
   if(document.getElementById && document.getElementById(objectId)) { return document.getElementById(objectId); }
   else if (document.all && document.all(objectId)) { return document.all(objectId); } 
   else if (document.layers && document.layers[objectId]) { return document.layers[objectId]; } 
   else { return false; }
}

function closeAllLyrics(){
	sheet = getObject("lyrics");
   if(sheet){
		lyrics = sheet.getElementsByTagName("DIV");
		for(var i = 0; i < lyrics.length; i++){
	   	lyrics[i].style.display = "none";
		}
	}
}

function syncHash(){
	if(window.location.hash){
		openLyrics(window.location.hash.substring(1));
	}
}

function openLyrics(selectedLyrics){
	closeAllLyrics();
	var lyrics = getObject(selectedLyrics);
	if(lyrics){
		lyrics.style.display = "block";
		//setAnchor(selectedLyrics);
	}
}

function setAnchor(a){
	window.location.hash = "#" + a;
}


var lyrics = getObject('lyrics');
if(lyrics) lyrics.className = "hideLyrics";