function checkform() {
    for (i=0;i<fieldstocheck.length;i++) {
        if (eval("document.subscribeform.elements['"+fieldstocheck[i]+"'].type") == "checkbox") {
            if (document.subscribeform.elements[fieldstocheck[i]].checked) {
            } else {
                alert("Please enter your "+fieldnames[i]);
                eval("document.subscribeform.elements['"+fieldstocheck[i]+"'].focus()");
                return false;
            }
        }
        else {
            if (eval("document.subscribeform.elements['"+fieldstocheck[i]+"'].value") == "") {
                alert("Please enter your "+fieldnames[i]);
                eval("document.subscribeform.elements['"+fieldstocheck[i]+"'].focus()");
                return false;
            }
        }
    }
    for (i=0;i<groupstocheck.length;i++) {
        if (!checkGroup(groupstocheck[i],groupnames[i])) {
        return false;
        }
    }
    
    return true;
}

var fieldstocheck = new Array();
var fieldnames = new Array();
function addFieldToCheck(value,name) {
    fieldstocheck[fieldstocheck.length] = value;
    fieldnames[fieldnames.length] = name;
}
var groupstocheck = new Array();
var groupnames = new Array();
function addGroupToCheck(value,name) {
    groupstocheck[groupstocheck.length] = value;
    groupnames[groupnames.length] = name;
}

function compareEmail()
{
    return (document.subscribeform.elements["email"].value == document.subscribeform.elements["emailconfirm"].value);
}
function checkGroup(name,value) {
  option = -1;
  for (i=0;i<document.subscribeform.elements[name].length;i++) {
    if (document.subscribeform.elements[name][i].checked) {
      option = i;
    }
  }
  if (option == -1) {
    alert ("Please enter your "+value);
    return false;
  }
  return true;
}