function cvv() {
    var swidth = screen.width;
    var sheight = screen.height;
    var popup = null;
    var height = 480;
    var width = 640;
    var left = (swidth/2) - (width/2);
    var top = (sheight/2) - (height/2);
    var over = "How do I find security code?";

    popup=window.open("","msg","scrollbars=yes,height="+height+",width="+width+",left="+left+",top="+top);
    if (popup != null) {
        if (popup.opener == null) {
            popup.opener = self;
        }
        url = "/cvv.html";
        popup.location.href = url;
    } 
}

function enableSubmit(checkbox) {
    $('submit_button').disabled = !checkbox.checked;
}

function screenShot(id) {
    var swidth = screen.width;
    var sheight = screen.height;    
    var popup = null;    
    var height = 480;
    var width = 640;
    var left = (swidth/2) - (width/2);
    var top = (sheight/2) - (height/2);
    var over = "Screenshot";
    
    popup=window.open("","msg","scrollbars=yes,height=" + height + ",width=" + width + ",left=" + left +",top=" + top);
    if (popup != null) { 
        if (popup.opener == null) {
            popup.opener = self;
        }
        url = "/images/brochure/" + id;
        popup.location.href = url;
    }
}