function checkform (form) {

 
   var r=0;
   var message = "Before proceeding with your order:\n";

 
 var chosen = " "; 
 var len = form.front.length;

/*if len = " " {
 len = 1;
}*/

 for (i = 0; i < len; i++) {
  if (form.front[i].checked) {
   chosen = form.front[i].value;
  }
 }
 
 
 
 

if (chosen==" ") {
     message += "\n- Please choose your design for your T-Shirt";
     r++;
}



 if (r > 0) {
  alert(message);
     return false;
 }
 else{
  return true;
 }
 
 
}