function focusemail(){
	document.form1.email.focus()
	document.form1.email.select()
}
function validEmail(objElement) {
  var errorMsg=""
  var invalidChars = " /:,;"
//check empty email field
  if (objElement.value == "") {
	errorMsg="The email field is empty. "
  }
//Check for invalid characters  
  for (i=0; i<invalidChars.length; i++){
    if (objElement.value.indexOf(invalidChars.charAt(i))>-1){
		if (i==0){
			errorMsg+="Spaces are not permitted in email addresses"
		}
		else {
			errorMsg+=invalidChars.charAt(i)+" is an invalid email character. "
		}
      
    }
  }
//Check for an @ sign
	if (objElement.value.indexOf("@")==-1){
		errorMsg+="The @ character is required in an email address. "
	}
//Check for too many @ signs
	var atInt=0
	for (i=0; i<objElement.value.length;i++){
		if(objElement.value.charAt(i)=="@"){
			atInt++
		}
	}
	if (atInt>1){
		errorMsg+="Too many @ signs. "
	}
//Check for improperly placed @ sign
	if (objElement.value.charAt(0)=="@"){
		errorMsg+="@ can't start an email address"
	}
	if (objElement.value.indexOf("@",objElement.value.length-5)>-1){
		errorMsg+="Improperly placed @ character. "
	}
//Check for period
	if (objElement.value.indexOf(".")==-1){
		errorMsg+="A period is required in an email address. "
	}
//Check for a properly place period
	var periodInt=0
	for (i=objElement.value.length-1; i>objElement.value.length-6;i--){
		if (objElement.value.charAt(i)=="."){
			periodInt++
		}
	}
	if (objElement.value.charAt(objElement.value.length-2)=="."){
		errorMsg+=errorMsg+"Email extension must be two characters at least. "
	}
	if (periodInt ==0){
		errorMsg+="A period is required near the end of the email address. "
	}
//Check for two periods in a row
	if (objElement.value.indexOf("..")>-1){
		errorMsg+="Two periods in a row is not valid. "
	}
//Check for two periods in a row
	if (objElement.value.indexOf("@.")>-1){
		errorMsg+="@+ period not valid. "
	}
//Check for two periods in a row
	if (objElement.value.indexOf(".@")>-1){
		errorMsg+="Period + @ not valid. "
	}
//Give an error message if one of the tests above didn't pass	
	if (errorMsg != ""){
		alert(errorMsg)
		focusemail()
	}
}