var popupStatus = 0;

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

		
     	if (choseplan =="starter_package") {
             //alert(choseplan);
             $("#popupStarter").fadeIn("slow");
		} else if (choseplan =="core_package") {
			$("#popupCore").fadeIn("slow");
		} else if (choseplan == "premier_package"){
			$("#popupPremier").fadeIn("slow");
		} 

		popupStatus = 1;
	}
}

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

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

	var win = $(window);
		var target = {
			top: Math.round((windowHeight-popupHeight)/2)+win.scrollTop(),
			left: Math.round((windowWidth-popupWidth)/2)+win.scrollLeft()
		}
	if (target.top<0) target.top = 0;
	if (target.left<0) target.left = 0;

// alert("popupHeight:"+popupHeight+"windowHeight:"+windowHeight+" "+"win.scrollTop:"+win.scrollTop());
	
	if (choseplan =="starter_package") {
		$("#popupStarter").css({
			"position": "absolute",
			"top": target.top,
			"left": target.left
		});


	} else if (choseplan =="core_package") {
		$("#popupCore").css({
			"position": "absolute",
			"top": target.top,
			"left": target.left
		});
        $("#popupCore").focus();
	} else if (choseplan == "premier_package"){
		$("#popupPremier").css({
			"position": "absolute",
			"top": target.top,
			"left": target.left
		});
	} 
	
	$("#backgroundPopup").css({
		"height": windowHeight
	});
	
}