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 validate(the_form) {
	if( (the_form.email.value == null) || (the_form.email.value == "") ) {
		alert('Please enter your email address.');
		return false;	
	}
	return true;
}