function countChoices(obj) {
max = 6; 

box1 = obj.form.box1.checked; 
box2 = obj.form.box2.checked;
box3 = obj.form.box3.checked;
box4 = obj.form.box4.checked;
box5 = obj.form.box5.checked;
box6 = obj.form.box6.checked;
box7 = obj.form.box7.checked;
box8 = obj.form.box8.checked;
box9 = obj.form.box9.checked;
box10 = obj.form.box10.checked;
box11 = obj.form.box11.checked;
box12 = obj.form.box12.checked;
box13 = obj.form.box13.checked;
box14 = obj.form.box14.checked;
box15 = obj.form.box15.checked;
box16 = obj.form.box16.checked;
box17 = obj.form.box17.checked;
box18 = obj.form.box18.checked;
box19 = obj.form.box19.checked;
box20 = obj.form.box20.checked;
box21 = obj.form.box21.checked;
box22 = obj.form.box22.checked;
box23 = obj.form.box23.checked;
box24 = obj.form.box24.checked;
box25 = obj.form.box25.checked;
box26 = obj.form.box26.checked;
box27 = obj.form.box27.checked;
box28 = obj.form.box28.checked;
box29 = obj.form.box29.checked;
box30 = obj.form.box30.checked;
box31 = obj.form.box31.checked;
box32 = obj.form.box32.checked;
box33 = obj.form.box33.checked;
box34 = obj.form.box34.checked;
box35 = obj.form.box35.checked;
box36 = obj.form.box36.checked;
box37 = obj.form.box37.checked;
box38 = obj.form.box38.checked;
box39 = obj.form.box39.checked;
box40 = obj.form.box40.checked;
box41 = obj.form.box41.checked;
box42 = obj.form.box42.checked;
box43 = obj.form.box43.checked;
box44 = obj.form.box44.checked;
box45 = obj.form.box45.checked;
box46 = obj.form.box46.checked;
box47 = obj.form.box47.checked;

count = (box1 ? 1 : 0) + (box2 ? 1 : 0) + (box3 ? 1 : 0) + (box4 ? 1 : 0) + (box5 ? 1 : 0) + (box6 ? 1 : 0) + (box7 ? 1 : 0) + (box8 ? 1 : 0) + (box9 ? 1 : 0) + (box10 ? 1 : 0) + (box11 ? 1 : 0) + (box12 ? 1 : 0) + (box13 ? 1 : 0) + (box14 ? 1 : 0) + (box15 ? 1 : 0) + (box16 ? 1 : 0) + (box17 ? 1 : 0) + (box18 ? 1 : 0) + (box19 ? 1 : 0) + (box20 ? 1 : 0) + (box21 ? 1 : 0) + (box22 ? 1 : 0) + (box23 ? 1 : 0) + (box24 ? 1 : 0) + (box25 ? 1 : 0) + (box26 ? 1 : 0) + (box27 ? 1 : 0) + (box28 ? 1 : 0) + (box29 ? 1 : 0) + (box30 ? 1 : 0) + (box31 ? 1 : 0) + (box32 ? 1 : 0) + (box33 ? 1 : 0) + (box34 ? 1 : 0) + (box35 ? 1 : 0) + (box36 ? 1 : 0) + (box37 ? 1 : 0) + (box38 ? 1 : 0) + (box39 ? 1 : 0) + (box40 ? 1 : 0) + (box41 ? 1 : 0) + (box42 ? 1 : 0) + (box43 ? 1 : 0) + (box44 ? 1 : 0) + (box45 ? 1 : 0) + (box46 ? 1 : 0) + (box47 ? 1 : 0);


if (count > max) {
alert("Sorry!  Free Wallpaper samples are limited to a maximum of " + max + " per basket. \nTo place your order, please remove any samples already in the basket or uncheck one or more of the selections you have just made.");
obj.checked = false;
}
}