// JavaScript Document
//to check whether a destination has been selected
function valbutton(thisform) {
// place any other field validations that you require here
// validate myradiobuttons
myOption = -1;
for (i=0; i<thisform.totalcost.length; i++) {
if (thisform.totalcost[i].checked) {
myOption = i;
}
}
if (myOption == -1) {
alert("You must select a delivery destination!");
return false;
}
}