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();});   
    }   
};