var modalWindow = {
            parent:"body",
            windowId:null,
            content:null,
            width:null,
            height:null,
            close:function()
            {
                $(".modal-window").remove();
                $(".modal-overlay").remove();
            },
            open:function()
            {
                var modal = "";
                modal += "<div class=\"modal-overlay\"></div>";
                modal += "<div id=\"" + this.windowId + "\" class=\"modal-window\" style=\"width:" + this.width + "px; height:" + this.height + "px; margin-top:-" + (this.height / 2) + "px; margin-left:-" + (this.width / 2) + "px;\">";
                modal += this.content;
                modal += "</div>";  

                $(this.parent).append(modal);

                $(".modal-window").append("<a class=\"close-window\"></a>");
                $(".close-window").click(function(){modalWindow.close();});
                $(".modal-overlay").click(function(){modalWindow.close();});
            }
        };
        var openMyModal = function(source)
        {
            modalWindow.windowId = "myModal";
            modalWindow.width = 600;
            modalWindow.height = 605;
            modalWindow.content = "<iframe width='600' height='605' frameborder='0' scrolling='auto' allowtransparency='true' src='" + source + "'></iframe>";
            modalWindow.open();
        };