function validEmail(email) {			invalidChars = " /:,;"				if (email == "") {				return false			}			for (i=0; i<invalidChars.length; i++) {				badChar = invalidChars.charAt(i)				if (email.indexOf(badChar,0) > -1) {					return false				}			}			atPos = email.indexOf("@",1)			if (atPos == -1) {				return false			}			if (email.indexOf("@",atPos+1) > -1) {				return false			}			periodPos = email.indexOf(".",atPos)			if (periodPos == -1) {				return false			}			if (periodPos+3 > email.length)	{				return false			}			return true		}		function submitIt(artForm) {			if (!validEmail(artForm.emailAddr.value)) {				alert("Please enter a valid email address")				artForm.emailAddr.focus()				artForm.emailAddr.select()				return false			}				return true		}