function trim(s){return s.replace(/^\s+|\s+$/,'');}
function validateEmail(fld){var error="";var tfld=trim(fld.value);var emailFilter=/^[^@]+@[^@.]+\.[^@]*\w\w$/;var illegalChars=/[\(\)\<\>\,\;\:\\\"\[\]]/;if(fld.value==""){fld.style.background='Yellow';error="You didn't enter an email address.\n";}else if(!emailFilter.test(tfld)){fld.style.background='Yellow';error="Please enter a valid email address.\n";}else if(fld.value.match(illegalChars)){fld.style.background='Yellow';error="The email address contains illegal characters.\n";}else{fld.style.background='White';}
return error;}
function validateEmpty(fld,fieldName){var error="";if(fld.value.length==0){fld.style.background='Yellow';error="The required field "+fieldName+" has not been filled in.\n"}else{fld.style.background='White';}
return error;}