function Popup () {
	this.HTMLObject = document.getElementById('iframe_container');
	this.iframe = document.getElementById('popup');
}

Popup.prototype.open = function (source) {
	this.iframe.src = source;
	this.HTMLObject.style.display = 'block';
}

Popup.prototype.close = function () {
	this.HTMLObject.style.display = 'none';
	this.iframe.src = '../../static/empty.html';
}