window.onload = function() {
  var links = document.getElementsByTagName("a");
  for (var i = 0; i < links.length; i++) {
    var rels = links[i].getAttribute("rel");
    if (rels) {
      var testpattern = new RegExp("external");
      if (testpattern.test(rels)) {
        links[i].onclick = function() {
          return !window.open(this.href);
        }
      }
    }
  }
}

var tabs = new Array("services-home","services-office","services-workshops","services-faq","services-tips","services-local_resources");
var tabimgs = new Array("services-tabimg-home","services-tabimg-office","services-tabimg-workshops","services-tabimg-faq","services-tabimg-tips","services-tabimg-local_resources");
var tabheight = new Array("470px","350px","640px","1140px","700px");

function clickTab(tabnum) {
	for (i in tabs) {
		if (i == tabnum) {
			document.getElementById("tabbed-content").style.height = tabheight[i];
			document.getElementById(tabs[i]).style.visibility = "visible";
			document.getElementById(tabimgs[i]).src = "./images/foldertab.png";
		}
		else {
			document.getElementById(tabs[i]).style.visibility = "hidden";
			document.getElementById(tabimgs[i]).src = "./images/foldertab-behind.png";
		}
	}
}

function validateCheckoutForm() {
	var tos = document.getElementById('tos').checked
	if (!tos) {
		document.getElementById("tos_error").style.display = "block";
		return false;
	}
	return true;
}