function validEmail(email) {			invalidChars = " /:,#'`$~!%^&*()+\"\;<>?\\|	"						if (email == "") {						// cannot be empty				return false			}			for (i = 0; i < invalidChars.length; i++) {	// does it contain any invalid characters?				badChar = invalidChars.charAt(i)				if (email.indexOf(badChar,0) > -1) {					return false				}			}			atPos = email.indexOf("@",1)			// there must be one "@" symbol			if (atPos == -1) {				return false			}			if (email.indexOf("@",atPos+1) != -1) {	// and only one "@" symbol				return false			}			periodPos = email.indexOf(".",atPos)			if (periodPos == -1) {					// and at least one "." after the "@"				return false			}			if (periodPos+3 > email.length)	{		// must be at least 2 characters after the "."				return false			}			return true	}	function Validator(theForm){  if (theForm.fullname.value == "")  {    alert("Please enter a value for the \"Full Name\" field.");    theForm.fullname.focus();    return (false);  }  if (theForm.email.value == "")  {    alert("Please enter a value for the \"Email Address\" field.");    theForm.email.focus();    return (false);  }  if ((theForm.email.value.length < 7) && (theForm.email.value.length !=0))  {    alert("Please enter at least 7 characters in the \"E-mail Address\" field.");    theForm.email.focus();    return (false);  }  if (!(validEmail(theForm.email.value)))      {         alert("Invalid Email Address")         theForm.email.focus()         return (false)      }	return (true);}