/* forms.js */
/* =================================================================================================================================== */
var normal_bg = "#dfdcd0";
var good_bg   = "#dfdcd0"; 
var bad_bg    = "#fcc";
/* =================================================================================================================================== */
function validateEmpty(fld,msg) {
    var error = "";
 
    if (fld.value.length == 0) {
        fld.style.background = bad_bg; 
        error = "\t"+msg+"\n";
    } else {
        fld.style.background = good_bg;
    }
    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.background = bad_bg;
        error = "\tEmail cannot be blank.\n";
    } else if (!emailFilter.test(tfld)) {              //test email for illegal characters
        fld.style.background = bad_bg;
        error = "\tEmail must be valid.\n";
    } else if (fld.value.match(illegalChars)) {
        fld.style.background = bad_bg;
        error = "\tEmail cannot contain illegal characters.\n";
    } else {
        fld.style.background = good_bg;
    }
    return error;
}
/* =================================================================================================================================== */
function resetForm(formId) {
    $(formId).reset();
}
function submitForm(formId) {
	$(formId).submit();
}
/* =================================================================================================================================== */
function cancelForm(url) {
	if (location != "") {
	    window.location.href=url;
	} else {
		history.go(-1);
	}
}
/* =================================================================================================================================== */
/* eof */