function submitForm()
{
	frm = document.forms.f1;

	if (frm.lastName.value == '')
	{
		alert("Please enter a last name");
		frm.lastName.focus();
		return false;
	}
	
	if (frm.firstName.value == '')
	{
		alert("Please enter a first name");
		frm.firstName.focus();
		return false;
	}

	if (frm.email.value == '')
	{
		alert("Please enter an email");
		frm.email.focus();
		return false;
	}
	
	var validEmail = checkEmail(frm.email.value);
	
	if (!validEmail)
	{
		alert("Please enter a valid email address");
		frm.email.focus();
		return false;
	}
		
	showFormProcessing();
}



function checkEmail(s)
{
    var str = s;
    var filter=/^([a-zA-Z0-9_\.\-\'])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9])+$/;
    if (filter.test(str))
        testresults=true
    else
    {
        //alert("Please input a valid email address!")
        testresults=false
    }
    return (testresults)
}