function checkemail(){
	var testresults
	var str=document.ebullsignup.emailaddress.value
	var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i
	if (filter.test(str))
		testresults=true
	else{
		alert("Please input a valid email address!")
		document.ebullsignup.emailaddress.focus();
		testresults=false
	}
	return (testresults)
}


function checkebull(){
	if (document.layers||document.getElementById||document.all)
	return checkemail()
else
	return true
}