// Setting up our popup
// 0 means it's disabled, 1 means it's enabled
var popupStatus = 0;

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

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

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

// disabling the popup with jQuery magic!
function disableYouTubePopup(){
	// disables popup only if it is enabled
	if(popupStatus == 1){
		$("#backgroundPopup").fadeOut("slow");
		$("#youtubepanel").fadeOut("slow");
		
		$("#popup").fadeOut("slow");
		popupStatus = 0;
	}
}

// centering the popup
function centerPopup(){
	// request data for centering
	var windowWidth = document.documentElement.clientWidth;
	var windowHeight = document.documentElement.clientHeight;
	var popupHeight = $("#buynowpanel").height();
	var popupWidth  = $("#buynowpanel").width();
	
	// centering
	$("#buynowpanel").css({
		"position" : "absolute",
		"top" : windowHeight / 2  - popupHeight / 2,
		"left": windowWidth  / 2  - popupWidth  / 2,
	});
	
	$("#backgroundPopup").css({
		"height" : windowHeight
	});
}