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";
	}
}

function validate_form(thisform) {
	with (thisform) {
		if (name.value == '' || email.value == '' || phone.value == '' || arrival.value == '' || departure.value == '' || adults.value == '' || children.value == '') {
			alert("Please ensure you have completed the entire form");
			return false
		}
	}
}