function findWidth() {
	if (window.innerWidth)
		return window.innerWidth;
	if (document.body.clientWidth)
		return document.body.clientWidth;
	return null;
}

function lyricPos() {
	newLeft = findWidth();
	lyricSheet = document.getElementById('song');
	xPos = ((newLeft/2) - (150))
	lyricSheet.style.left = xPos + 'px';
}

function showLyrics(whichSong) {
	fetchData('lyrics/lyrics.php',whichSong,'song')
	objPopTrig = document.getElementById(whichSong);
	objPopUp = document.getElementById('song');
//	song.style.visibility = 'visible';
	objPopUp.style.visibility = 'visible';

}

function hideLyrics() {
	objPopUp = document.getElementById('song');
	objPopUp.style.visibility = 'hidden';
}

function filterData(pageRequest,objectID){
	if (pageRequest.readyState == 4 && (pageRequest.status==200 || window.location.href.indexOf("http")==-1))
		document.getElementById(objectID).innerHTML=pageRequest.responseText
}