<!-- 
/* This is, at best, a perfunctory test of email address 
    entry validity.  Is there an "@" sign and sufficient
    letters prefixing it. Alert user if questioned. */
function emailCheck(theField) {
	var formElementLength = document.theForm.length;
	for (xx=0;xx < formElementLength; xx++) {
		if (document.theForm[xx].name == eval('theField')) {
  			var txt = document.theForm[xx].value;
  			if (txt.indexOf("@")<3){
   				alert("This email address appears to be wrong. Please"
   				+" check the prefix and '@' sign.");	
  				return false;
			}
		}
	}		
}
// -->