function SetTestDriveModel(){                                                                                                                                                                                     var m=[];                                                                                                                                                                                                         m[1]='Mazda3';                                                                                                                                                                                                    m[2]='Mazda6';                                                                                                                                                                                                    m[3]='Mazda CX-5';                                                                                                                                                                                                m[4]='Mazda CX-3';                                                                                                                                                                                                m[5]='Mazda CX-9';                                                                                                                                                                                                var d=[];                                                                                                                                                                                                         d[1] = [1,2,3,5];
d[2] = [1,2,3];
d[3] = [1,2,3,4];
d[4] = [1,2,3,4,5];
d[5] = [1,2,3,4,5];
d[6] = [1,2,3];
d[7] = [1,2,3,5];
d[8] = [1,2,3];
d[9] = [1,2,3];
d[10] = [2,3];
d[11] = [1,2,3];
d[12] = [1,2,3];
d[13] = [1,2,3,4];
d[14] = [1,2,3,4,5];
d[15] = [1,2,3,4]; 
d[16] = [1,2,3]; 
d[17] = [1,2,3,4,5]; 
d[18] = [1,2,3,4]; 
d[19] = [1,2,3]; 
d[20] = [2,3]; 
d[21] = [1,2,3,4,5]; 
d[22] = [1,2,3]; 
d[23] = [1,2,3];                                                                                                                                                                                                                                                                                                                                                                                                                       var x = document.getElementById("DilerSelect").value;                                                                                                                                                             var s = document.getElementById("ModelSelect");                                                                                                                                                                   var i;                                                                                                                                                                                                            var sl=s.length-1;                                                                                                                                                                                                for (i = sl; i >0; i--) {s.remove(i);}                                                                                                                                                                            for (i = 0; i < d[x].length; i++) {                                                                                                                                                                               var option = document.createElement("option");                                                                                                                                                                    option.text = m[d[x][i]];                                                                                                                                                                                         option.value = m[d[x][i]];                                                                                                                                                                                        s.add(option);                                                                                                                                                                                                    }                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     }