function activateimg(whichimg) {
	var imgsrc = new String(document.getElementById(whichimg).src);
	imgsrc = imgsrc.replace(new RegExp('_off\.','g'),'_on\.');
	document.getElementById(whichimg).src = imgsrc;
}

function deactivateimg(whichimg) {
	var imgsrc = new String(document.getElementById(whichimg).src);
	imgsrc = imgsrc.replace(new RegExp('_on\.','g'),'_off\.');
	document.getElementById(whichimg).src = imgsrc;
}

function doPopups() {
  if (!document.getElementsByTagName) return false;
  var links = document.getElementsByTagName("a");
  for (var i=0; i < links.length; i++) {
    if (links[i].className.match("popup")) {
      links[i].onclick = function() {
        window.open(this.href, 'legal', 'width=310,height=220');
        return false;
      }
    }
  }
}

function showHide(e) {
	if(!document.getElementsByTagName) return false;
	var currentStyle = document.getElementById(e).style.display;
	if(currentStyle != 'block')	document.getElementById(e).style.display = 'block';
	else document.getElementById(e).style.display = 'none';
}