$(document).ready( function() 
{  
    $("#classes_03").change(function() 
    {
        instructorid = this.value
        var inputs = [];
        inputs.push('id' + '=' + instructorid);
        inputs.push('idd' + '=' + 'trainer');
        $.ajax( 
        {
            data :inputs.join('&'),
            dataType: 'JSON',
            type: 'POST',
            url :'nn/includes/aj_tr_to.php',       
            timeout :20000, 
            error : function() {
                console.log("Failed to retrieve data.")
            },
            success : function(r) 
            {                
                var obj = JSON.parse(r, function(key, value)
                {
                    var d;
                    d = value; 
                    if (d == null)
                        d = "";
                    switch (key)
                    {
                        case 'name':                 
                        case 'phone':                          
                        case 'email':                
                        case 'images':                 
                        case 'short_text':
                        case 'text': 
                    }    
                    return d;        
                });              

                var OBJ = obj.trainer;
/*
                alert(OBJ[5])
                $("#instructorimage").attr("src",OBJ['images']);
                $("#trainers_name_03").html(OBJ['name']);
                $("#instructor_phone").html(OBJ['phone']);
                $("#insturctor_email").html(OBJ['email']);
                $("#instructor_short").html(OBJ['short_text'] + "…");
                tvar = "<a class=\"full_bio\" onclick=\"return popitup('nn/includes/trainer_bio.php?id=" + OBJ['id'] + "')\" href=\"#\">full bio</a>";
                $("#instructor_bio").html(tvar); 
*/              
                $("#instructorimage").attr("src",OBJ[4]);
                $("#trainers_name_03").html(OBJ[1]);
                $("#instructor_phone").html(OBJ[2]);
                $("#insturctor_email").html(OBJ[3]);
                $("#instructor_short").html(OBJ[5] + "&#8230;");
                tvar = "<a class=\"full_bio\" onclick=\"return popitup('nn/includes/trainer_bio.php?id=" + OBJ[0] + "')\" href=\"#\">full bio</a>";
                $("#instructor_bio").html(tvar);              
                
            }
         })            
    })    
 
});