<!--
//if you want to have email validation the name of that form field must be "email"
//otherwise any form field names are acceptable

//checks to make certain important info has been input

function checkForInfo(f,r) {
	r = r.split(",");
	// now r is a double list:
	// 'fieldName,fieldPrettyNameForRegurgitation,fieldName2,fieldPrettyName2'
	var sError = new Array();
	for (j=0;j<r.length;j+=2){
		if ((f[r[j]].name == "email")){
			if ((f[r[j]].value == "")){
				sError.push(r[j+1]);
			} else if (!isEmail(f[r[j]].value)){
				sError.push("a valid email address");
			}
		} else if ((f[r[j]].value == "")){
			sError.push(r[j+1]);
		}
	}
	if (sError.length) {
	  alert("Please supply this information:\n" + sError.join(', '));
	  return false;
	} else {
	  return true;
	}
}
// check for valid email
function isEmail(str) {
  // are regular expressions supported?
  var supported = 0;
  if (window.RegExp) {
    var tempStr = "a";
    var tempReg = new RegExp(tempStr);
    if (tempReg.test(tempStr)) supported = 1;
  }

  if (!supported) 
    return (str.indexOf(".") > 2) && (str.indexOf("@") > 0);
  var r1 = new RegExp("(@.*@)|(\\.\\.)|(@\\.)|(^\\.)");
  var r2 = new RegExp("^.+\\@(\\[?)[a-zA-Z0-9\\-\\.]+\\.([a-zA-Z]{2,3}|[0-9]{1,3})(\\]?)$");
  return (!r1.test(str) && r2.test(str));
}
//-->