function emailChecker(elm_id){
 	var elm = document.getElementById(elm_id);
	var reason = "";
	reason += validateEmail(elm);
	if (reason != "") {
		alert("Ensure you have entered the email address correctly");
		return false;
	}
	return true;
	
}

function validateEmpty(fld) {
	var error = "";
	
	if (fld.value.length == 0) {
//			fld.style.color = '#FFAFAF'; 
			error = "The required field has not been filled in.\n"
	} 
// 	else {
// 			fld.style.background = 'none';
// 	}
	return error;  
}


function trim(s)
{
  return s.replace(/^\s+|\s+$/, '');
}

function validateEmail(fld) {
    var error="";
    var tfld = trim(fld.value);                        // value of field with whitespace trimmed off
    var emailFilter = /^[^@]+@[^@.]+\.[^@]*\w\w$/ ;
    var illegalChars= /[\(\)\<\>\,\;\:\\\"\[\]]/ ;
   
    if (fld.value == "") {
      //  fld.style.color = '#FFAFAF';
        error = "You didn't enter an email address.\n";
    } else if (!emailFilter.test(tfld)) {              //test email for illegal characters
       // fld.style.color = '#FFAFAF';
        error = "Please enter a valid email address.\n";
    } else if (fld.value.match(illegalChars)) {
       // fld.style.color = 'Yellow';
        error = "The email address contains illegal characters.\n";
    } else {
//         fld.style.background = 'White';
    }
    return error;
}