function checkJoinform() {
if(document.joinForm.mEmail.value == "")
{
alert("Please enter your email address");
document.joinForm.mEmail.focus();
return;
}

if(document.joinForm.mEmail.value == "Your email address")
{
alert("Please enter your email address");
document.joinForm.mEmail.focus();
return;
}

document.joinForm.submit() ;
}

function checkEnquiryform() {
if(document.enquiryForm.eFirstname.value == "")
{
alert("Please enter your first name");
document.enquiryForm.eFirstname.focus();
return;
}

if(document.enquiryForm.eSurname.value == "")
{
alert("Please enter your surname");
document.enquiryForm.eSurname.focus();
return;
}

if(document.enquiryForm.ePhone.value == "")
{
alert("Please enter your telephone number");
document.enquiryForm.ePhone.focus();
return;
}

if(document.enquiryForm.eEnquiry.value == "")
{
alert("Please enter your enquiry");
document.enquiryForm.eEnquiry.focus();
return;
}

document.enquiryForm.submit() ;
}

function checkNumeric(objName,minval, maxval,comma,period,hyphen)
{
	var numberfield = objName;
	if (chkNumeric(objName,minval,maxval,comma,period,hyphen) == false)
	{
		numberfield.select();
		numberfield.focus();
		return false;
	}
	else
	{
		return true;
	}
}

function chkNumeric(objName,minval,maxval,comma,period,hyphen)
{
// only allow 0-9 be entered, plus any values passed
// (can be in any order, and don't have to be comma, period, or hyphen)
// if all numbers allow commas, periods, hyphens or whatever,
// just hard code it here and take out the passed parameters
var checkOK = "0123456789" + comma + period + hyphen;
var checkStr = objName;
var allValid = true;
var decPoints = 0;
var allNum = "";

for (i = 0;  i < checkStr.value.length;  i++)
{
ch = checkStr.value.charAt(i);
for (j = 0;  j < checkOK.length;  j++)
if (ch == checkOK.charAt(j))
break;
if (j == checkOK.length)
{
allValid = false;
break;
}
if (ch != ",")
allNum += ch;
}
if (!allValid)
{	
alert("Value must be numeric");
return (false);
}
}