function RestTextArea(control, vizualizerControl) {
    var maxnum = control.attributes["maxLength"].value;
    var rest;    
    if (control != null) {
    
        rest = maxnum - control.value.length;
        if (rest < 0) {
            control.value = control.value.substring(0, maxnum);
            rest = 0;
        }

        if (vizualizerControl != null) {            
            vizualizerControl.value = rest;
        }
    }
    return (rest > 0);
}