function reset() {
	document.form1orms[0].reset();
}

function check_email(address) {
	var emailPat = /^((\w|\.|\_)+)@(\[\d{1,3}(\.\d{1,3}){3}]|[A-Za-z]\w*(\.[A-Za-z]\w*)+)$/;
	//var emailPat = /^[a-zA-Z][\w\.-]*[a-zA-Z0-9]@[a-zA-Z0-9][\w\.-]*[a-zA-Z0-9]\.[a-zA-Z][a-zA-Z\.]*[a-zA-Z]$/;
	var matchArray = address.match(emailPat);
	if (matchArray == null)
		return false;
	else
		return true;
}

function isDigit() {
if ((event.keyCode < 48)||(event.keyCode > 57 )) {
  if (event.keyCode != 46)
	{event.returnValue=false;}
	}
}

function trim(inputString)
{
	var retValue = inputString;
	var ch = retValue.substring(0, 1);

	while (ch == " ")
	{ // Check for space at the start of the string
		retValue = retValue.substring(1, retValue.length);
		ch = retValue.substring(0, 1);
	}

	ch = retValue.substring(retValue.length-1, retValue.length);

	while (ch == " ")
	{ // Check for spaces at the end of the string
		retValue = retValue.substring(0, retValue.length-1);
		ch = retValue.substring(retValue.length-1, retValue.length);
	}
	
	return retValue;
}

function checkRadio(frmName, rbGroupName) {
    var radios = document[frmName].elements[rbGroupName];
    for (var i = 0; i < radios.length; i++) {
        if (radios[i].checked) {
            return true;
        }
    }
    return false;
} 

function validate_form(){

if (trim(document.getElementById("txtName").value) == ""){
	alert("Please key in your name.");
	document.getElementById("txtName").focus();
	return;
}

if (document.getElementById("txtEmail").value == "" || !check_email(document.getElementById("txtEmail").value)) {
    alert("Please key in a valid email.");
    document.getElementById("txtEmail").focus();
    return;
}

if (document.getElementById("txtContactNo").value == "") {
	alert("Please key in your contact number.");
	document.getElementById("txtContactNo").focus();
	return;
}



alert("Thank you for your request. We will be in touch within 48 hours and look forward to speaking to you. Kind regards, Green Cleaners");


document.form1.submit();
}

function validate_feedback() {

    if (trim(document.getElementById("txtName").value) == "") {
        alert("Please key in your name.");
        document.getElementById("txtName").focus();
        return;
    }

    if (document.getElementById("txtEmail").value == "" || !check_email(document.getElementById("txtEmail").value)) {
        alert("Please key in a valid email.");
        document.getElementById("txtEmail").focus();
        return;
    }

    alert("Thank you for your feedback. Kind regards, Green Cleaners");


    document.form1.submit();
}


function validate_mailing() {

    if (document.getElementById("txtEmail").value == "" || !check_email(document.getElementById("txtEmail").value)) {
        alert("Please key in a valid email.");
        document.getElementById("txtEmail").focus();
        return;
    }

    alert("Thank you for your request. Kind regards, Green Cleaners");


    document.form1.submit();
}

function validate_survey() {

    if (trim(document.getElementById("txtName").value) == "") {
        alert("Please key in your name.");
        document.getElementById("txtName").focus();
        return;
    }
    if (document.getElementById("txtEmail").value == "" || !check_email(document.getElementById("txtEmail").value)) {
        alert("Please key in a valid email.");
        document.getElementById("txtEmail").focus();
        return;
    }

    if (!checkRadio("form1", "rbQn1")) {
        alert("Please answer Question Number 1.");
        return;
    }
    if (!checkRadio("form1", "rbQn2")) {
        alert("Please answer Question Number 2.");
        return;
    }
    if (!checkRadio("form1", "rbQn3")) {
        alert("Please answer Question Number 3.");
        return;
    }
    if (!checkRadio("form1", "rbQn4")) {
        alert("Please answer Question Number 4.");
        return;
    }
    if (!checkRadio("form1", "rbQn5")) {
        alert("Please answer Question Number 5.");
        return;
    }
    if (!checkRadio("form1", "rbQn6")) {
        alert("Please answer Question Number 6.");
        return;
    }
    if (!checkRadio("form1", "rbQn7")) {
        alert("Please answer Question Number 7.");
        return;
    }
    if (!checkRadio("form1", "rbQn8")) {
        alert("Please answer Question Number 8.");
        return;
    }
    if (!checkRadio("form1", "rbQn9")) {
        alert("Please answer Question Number 9.");
        return;
    }
    if (!checkRadio("form1", "rbQn10")) {
        alert("Please answer Question Number 10.");
        return;
    }
    if (!checkRadio("form1", "rbQn11")) {
        alert("Please answer Question Number 11.");
        return;
    }
    if (!checkRadio("form1", "rbQn12")) {
        alert("Please answer Question Number 12.");
        return;
    }

    alert("Thank you for participating in this survey. Kind regards, Green Cleaners");


    document.form1.submit();
}