function toggle_display(id) {
	var item = document.getElementById(id);
	if ( item.style.display != 'block' ) {
				item.style.display = 'block';
			}
	else {
				item.style.display = 'none';
			}
}


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 = function() {
//	initImage();
	externalLinks();
}