var popupbuzzStatus = 0;

function loadpopupbuzz(){
	if(popupbuzzStatus==0){
		$("#backgroundpopupbuzz").css({
			"opacity": "0.7"
		});
		$("#backgroundpopupbuzz").fadeIn("slow");
		$("#popupbuzzCart").fadeIn("slow");
		popupbuzzStatus = 1;
	}
}

function disablepopupbuzz(){
	if(popupbuzzStatus==1){
		$("#backgroundpopupbuzz").fadeOut("slow");
		$("#popupbuzzCart").fadeOut("slow");
		popupbuzzStatus = 0;
	}
}

function centerpopupbuzz(){
	var windowWidth = document.documentElement.clientWidth;
	var windowHeight = document.documentElement.clientHeight;
	var popupbuzzHeight = $("#popupbuzzCart").height();
	var popupbuzzWidth = $("#popupbuzzCart").width();
	$("#popupbuzzCart").css({
		"position": "absolute",
		"top": windowHeight/2-popupbuzzHeight/2,
		"left": windowWidth/2-popupbuzzWidth/2
	});
	
	$("#backgroundpopupbuzz").css({
		"height": windowHeight
	});
	
}

$(document).ready(function(){
	
	$("#buttonbuzz").click(function(){
		centerpopupbuzz();
		loadpopupbuzz();
	});
	
	$("#buttonbuzz2").click(function(){
		centerpopupbuzz();
		loadpopupbuzz();
	});
    $("#buttonbuzz3").click(function(){
        centerpopupbuzz();
        loadpopupbuzz();
    });
				
	$("#popupbuzzCartClose").click(function(){
		disablepopupbuzz();
	});
	$("#backgroundpopupbuzz").click(function(){
		disablepopupbuzz();
	});
	$(document).keypress(function(e){
		if(e.keyCode==27 && popupbuzzStatus==1){
			disablepopupbuzz();
		}
	});

});