function isEmail(fieldval)
{
	re = /^\w+((-\w+)|(\.\w+))*\@\w+((\.|-)\w+)*\.\w+$/;
	return re.test(fieldval);
}

function isNull(fieldval)
{
	re = /^\s{0,}$/;
	return re.test(fieldval);
}

function ChangePassword()
{
	var returnvalue = false;
	if (isNull(document.changefrm.emailaddress.value))
	{
		alert ('Please enter your email address.');
		document.changefrm.emailaddress.focus();
	}
	else if (!isEmail(document.changefrm.emailaddress.value))
	{
		alert ('Incorrect format for Email.  The Email address must be in the form name@company.com' );	
		document.changefrm.emailaddress.focus();
		document.changefrm.emailaddress.select(); 
	}
	else if (isNull(document.changefrm.oldpassword.value))
	{
		alert ('Please enter your old password.');
		document.changefrm.oldpassword.focus();
	}
	else if (isNull(document.changefrm.newpassword.value))
	{
		alert ('Please enter your new password.');
		document.changefrm.newpassword.focus();
	}
	else if (isNull(document.changefrm.confirmnewpwd.value))
	{
		alert ('Please enter your new confirm password.');
		document.changefrm.confirmnewpwd.focus();
	}
	else if (document.changefrm.newpassword.value !=  document.changefrm.confirmnewpwd.value)
	{
		alert ('Your passwords do not match. Please re-enter.');
		document.changefrm.confirmnewpwd.focus();
		document.changefrm.confirmnewpwd.select();
	}
	else
	{
	returnvalue = true;
	}
	return returnvalue;
}//end change password validate page