/***************************/
//@Author: Adrian "yEnS" Mato Gondelle
//@website: www.yensdesign.com
//@email: yensamg@gmail.com
//@license: Feel free to use it, but keep this credits please!					
/***************************/

//SETTING UP OUR POPUP
//0 means disabled; 1 means enabled;
var popupStatus = 0;

//loading popup with jQuery magic!
function loadPopup(){
	//loads popup only if it is disabled
	if(popupStatus==0){
		$("#backgroundPopup").css({
			"opacity": "0.7"
		});
		$("#backgroundPopup").fadeIn("slow");
		$("#popupLyrics").fadeIn("slow");
		popupStatus = 1;
	}
}

//disabling popup with jQuery magic!
function disablePopup(){
	//disables popup only if it is enabled
	if(popupStatus==1){
		$("#backgroundPopup").fadeOut("slow");
		$("#popupLyrics").fadeOut("slow");
		popupStatus = 0;
                $('#lyrics').html("");

	}
}

function getScrollXY() {
  scrOfX = 0, scrOfY = 0;
//  var scrOfX = 0, scrOfY = 0;   ORIGINAL  removing "var" when inside a function makes the variables global
  if( typeof( window.pageYOffset ) == 'number' ) {
    //Netscape compliant
    scrOfY = window.pageYOffset;
    scrOfX = window.pageXOffset;
  } else if( document.body && ( document.body.scrollLeft || document.body.scrollTop ) ) {
    //DOM compliant
    scrOfY = document.body.scrollTop;
    scrOfX = document.body.scrollLeft;
  } else if( document.documentElement && ( document.documentElement.scrollLeft || document.documentElement.scrollTop ) ) {
    //IE6 standards compliant mode
    scrOfY = document.documentElement.scrollTop;
    scrOfX = document.documentElement.scrollLeft;
  }
  return [ scrOfX, scrOfY ];
}



//centering popup
function centerPopup(){
	//request data for centering
	var windowWidth = document.documentElement.clientWidth;
	var windowHeight = document.documentElement.clientHeight;
        getScrollXY();
	var popupHeight = $("#popupLyrics").height();
	var popupWidth = $("#popupLyrics").width();
	//centering

	$("#popupLyrics").css({
		"position": "absolute",
		"top": (scrOfY+(windowHeight/2-popupHeight/2)),
		"left": (scrOfX+(windowWidth/2-popupWidth/2))
	});
	//only need force for IE6

	$("#backgroundPopup").css({
		"height": windowHeight
	});
	
}


//CONTROLLING EVENTS IN jQuery
// $(document).ready(function(){
	

function lyricspopup()
{
	//LOADING POPUP
	//Click the button event!
// 	$("#lyricslink").click(function(){
		//centering with css
		centerPopup();
		//load popup
		loadPopup();
// 	});
}


$(document).ready(function(){
	//CLOSING POPUP
	//Click the x event!
	$("#popupLyricsClose").click(function(){
		disablePopup();
	});

	//Click out event!
	$("#backgroundPopup").click(function(){
		disablePopup();
	});
	//Press Escape event!
	$(document).keypress(function(e){
		if(e.keyCode==27 && popupStatus==1){
			disablePopup();
		}
	});

});