// navigation scripts
function highlight(page) {
var linkHighlight = document.getElementById(page);
linkHighlight.style.color = '#FFFFFF';
}

function highlightSub(page) {
var linkHighlight = document.getElementById(page);
linkHighlight.style.color = '#FFFFFF';
}

// form validation
function SubDisable(dform) {
if (document.getElementById) {
for (var sch = 0; sch < dform.length; sch++) {
if (dform.elements[sch].type.toLowerCase() == "submit") dform.elements[sch].disabled = true;
}
}
return true;
}

function check_form(form)
{

if (form.fullName.value == "") {
alert ("You must enter a Name.");
form.fullName.focus();
return (false)
}

if (form.comments.value == "") {
alert ("You must enter a Comment.");
form.comments.focus();
return (false)
}

if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(form.email.value)){
SubDisable(form)
return (true)
}
alert("Invalid Email Address! Please re-enter.")
form.email.focus();
return (false)
}