// <![CDATA[

function CheckForm1(f) {
/**
    var c_value = "";
    for (var i=0; i < f.chMembership.length; i++){
        if (f.chMembership[i].checked){
            c_value = c_value + f.chMembership[i].value;
        }
    }

    if(c_value < 10){
	    alert("Please choose either Commencement Batch 2009 or SMUAA Membership.");
		return false;
    }
**/
	if (f.salutation.selectedIndex == 0) {
	    alert("Please choose salutation.");
		f.salutation.focus();
		return false;
	}

	var fname = "nricName";
	var fld = document.getElementById(fname);
	    if (fld.value == "") {
		alert("Please enter NRIC Name");
		fld.focus();
		return false;
	}

	var fname = "nricNumber";
	var fld = document.getElementById(fname);
	if (fld.value == "") {
	    alert("Please enter NRIC Number");
		fld.focus();
		return false;
	}

    var gender_value = "";
    for (var i=0; i < f.gender.length; i++){
        if (f.gender[i].checked){
            gender_value = gender_value + f.gender[i].value;
        }
    }
    if(gender_value == ""){
	    alert("Please select gender.");
		return false;
    }

	var fname = "dob";
	var fld = document.getElementById(fname);
	if (fld.value == "") {
	    alert("Please enter your date of birth");
		fld.focus();
		return false;
	}

	if (f.schoolField.selectedIndex == 0) {
	    alert("Please choose School field.");
		f.schoolField.focus();
		return false;
	}

    var email_re = /[a-z0-9!#$%&'*+\/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&'*+\/=?^_`{|}~-]+)*@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?/i;
	if (!email_re.test(f.email.value)) {
	    alert("Please enter a valid email address.");
		f.email.focus();
		return false;
	}

	var fname = "recaptcha_response_field";
	var fld = document.getElementById(fname);
	    if (fld.value == "") {
		alert("Please enter verification code");
		fld.focus();
		return false;
	}

	return true;

}

function apply(){
  document.theForm.submit.disabled=true;
  if(document.theForm.iAgree.checked==true){
    document.theForm.submit.disabled=false;
  }
  if(document.theForm.iAgree.checked==false){
    document.theForm.submit.enabled=false;
  }
}
function myreset(){
    document.theForm.submit.disabled=true;
    document.getElementById('subAddOn').innerHTML = "0";
    document.getElementById('subMembership').innerHTML = "0";
    document.getElementById('stotal').innerHTML = "$0";
}

function getradio(i, n){
    var amount = i;
	var fld = document.getElementsByName(n);
    var current = document.getElementById('subMembership').innerHTML;
    check = fld.checked;
    document.getElementById('subMembership').innerHTML = i;
    calculateTotal();
}

function getaddon(i, n){
    var amount = i;
	var fld = document.getElementById(n);
    check = fld.checked;
    var current = document.getElementById('subAddOn').innerHTML;
    if (check){
        updateAddon(i, "add");
    }
    else{
        updateAddon(i, "submit");
    }
}
function updateAddon(i, c){
    var current = document.getElementById('subAddOn').innerHTML;
    if(current == undefined){
        current = 0;
    }
    if(c == "add"){
        var subtotal = parseInt(current) + parseInt(i);
    }
    else if(c == "submit"){
        var subtotal = parseInt(current) - parseInt(i);
    }
    document.getElementById('subAddOn').innerHTML = subtotal;
    calculateTotal();
}
function calculateTotal(){
    var subAddOn = document.getElementById('subAddOn').innerHTML;
    var subMembership = document.getElementById('subMembership').innerHTML;
    var total = parseInt(subAddOn) + parseInt(subMembership);
    document.getElementById('stotal').innerHTML = "$" + total;
}


// ]]>