function externalLinks() {
	if(!document.getElementsByTagName) {
		return;
	}
	var anchors = document.getElementsByTagName("a");
	for(var i=0; i < anchors.length; i++) {
		var anchor = anchors[i];
		if(anchor.getAttribute("href") && anchor.getAttribute("rel") == "external") {
			anchor.target = "_blank";
		}
	}
}
window.onload = externalLinks;

function validateContactForm(theForm) {
	var message = '';
	var error = false;
	if(theForm.cons_first_name.value == '') {
		message += 'First name required\n';
		error = true;
	}
	if(theForm.cons_last_name.value == '') {
		message += 'Last name required\n';
		error = true;
	}
	if(theForm.cons_email.value == '') {
		message += 'Email required';
		error = true;
	}
	if(error) {
		alert(message);
		return false;
	}
	return true;	
}