function expand(id) {
document.getElementById(id).style.display = 'block';
}

function expand2(id) {
document.getElementById(id).style.display = 'block';
window.scrollTo(0,750);
}

function expand3(id) {
document.getElementById(id).style.display = 'block';
window.scrollTo(0,750);
}

function collapse(id) {
document.getElementById(id).style.display = 'none';
}

function checksearchform() {
if ((sitesearch.formsearchterm.value == "") || (sitesearch.formsearchterm.value == "enter search term")) {
alert ("Please enter a search term before submitting.");
document.sitesearch.formsearchterm.focus();
return false; }
return true;
}

function checknewsletterform() {
var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
var address = document.newslettersignup.newsletteremail.value;
if ((newslettersignup.newsletteremail.value == "") || (newslettersignup.newsletteremail.value == "enter your email address")) {
alert ("Please enter your email address before submitting.");
document.newslettersignup.newsletteremail.focus();
collapse('verificationformposition');
return false; }
if(reg.test(address) == false) {
alert("Please enter a valid email address.");
document.newslettersignup.newsletteremail.focus();
collapse('verificationformposition');
return false; }
if ((newslettersignup.newslettername.value == "") || (newslettersignup.newslettername.value == "enter your name")) {
alert ("Please enter your name before submitting.");
document.newslettersignup.newslettername.focus();
collapse('verificationformposition');
return false; }
if ((newslettersignup.newsletterverify.value == "") || (newslettersignup.newsletterverify.value == "enter verification code")) {
alert ("Please enter verification code.");
document.newslettersignup.newsletterverify.focus();
return false; }
return true;
}