function element(id)
{
	if (document.getElementById != null) {
		return document.getElementById(id);
	}
	if (document.all != null) {
		return document.all[id];
	}
	if (document.layers != null) {
		return document.layers[id];
	}
	return null;
}

function validate(x)
{
	var to = element("roster_eml_frm").to;
	var from = element("roster_eml_frm").from;
	var subject = element("roster_eml_frm").subject;
	var message = element("roster_eml_frm").message;

	if (to.value == "") {
		alert("Please enter a value in the 'to' field");
		to.focus();
		return false;
	}

	if (from.value == "") {
		alert("Please enter your email address");
		from.focus();
		return false;
	}

	if (message.value == "") {
		alert("Please enter the message you would like to send");
		message.focus();
		return false;
	}
     try {
		element("roster_eml_frm").to.disabled = false;
		element("roster_eml_frm").to.value = "courags@gmail.com";
		element("roster_eml_frm").subject.disabled = false;
     }
     catch (e) {}
	return true;
}

function enable_email(x)
{
		try {
               element("roster_eml_frm").to.disabled = true;
		     element("roster_eml_frm").subject.disabled = true;
          }
          catch (e) {}
		if (x == 0 || x == 2) {
			element("resume").style.display = 'none';
		}
		element("email").style.display = '';
		if (x == 0 && element("thankyou").style.display == '') {
			element("thankyou").style.display = 'none';
		}
		if (x == 0 && element("listings").style.display == '') {
			element("listings").style.display = 'none';
		}
		if (x == 1) {
			element("detail").style.display = 'none';
		}
}

function enable_listingdetail()
{
	element("email").style.display = 'none';
	element("detail").style.display = '';
}

function enable_resume()
{
	if (element("email").style.display == '') {
		element("email").style.display = 'none';
	}
	if (element("listings").style.display == '') {
		element("listings").style.display = 'none';
	}
	element("resume").style.display = '';
}

function enable_listings()
{
	element("email").style.display = 'none';
	element("resume").style.display = 'none';
	element("listings").style.display = '';
}