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var mover = false;
var currx = 0;
var curry = 0;
$(".calculator .title").mousedown(function(eventObject){
	mover = true;
	currx = eventObject.pageX;
	curry = eventObject.pageY;
});

$(window).bind('mousemove', function(eventObject) {
	if(!mover)
		return;
	
	var obj = $(".calculator");
	mouseX = eventObject.pageX;
	mouseY = eventObject.pageY;
	x = obj.position().left;
	y = obj.position().top;
	obj.css({
		left: x + (mouseX-currx),
		top: y + (mouseY-curry),
	});
	currx = eventObject.pageX;
	curry = eventObject.pageY;
});

$(".calculator .title").mouseup(function() {
	mover = false;
	
});