function getElementsByClass( searchClass, domNode, tagName) {
  if (domNode == null) domNode = document;
  if (tagName == null) tagName = '*';
  var el = new Array();
  var tags = domNode.getElementsByTagName(tagName);
  var tcl = " "+searchClass+" ";
  for(i=0,j=0; i<tags.length; i++) {
    var test = " " + tags[i].className + " ";
    if (test.indexOf(tcl) != -1)
      el[j++] = tags[i];
  }
  return el;
}

function hasClass(ele,cls) {
  return ele.className.match(new RegExp('(\\s|^)'+cls+'(\\s|$)'));
}

function addClass(ele,cls) {
  if (!this.hasClass(ele,cls)) ele.className += " "+cls;
}

function removeClass(ele,cls) {
  if (hasClass(ele,cls)) {
    var reg = new RegExp('(\\s|^)'+cls+'(\\s|$)');
    ele.className=ele.className.replace(reg,' ');
  }
}

function addEvent(obj, evType, fn){
  if (obj.addEventListener){
    obj.addEventListener(evType, fn, true);
    return true;
  } else if (obj.attachEvent){
  var r = obj.attachEvent("on"+evType, fn);
  return r;
  } else {
    return false;
  }
}







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.getAttribute("rel") == "external nofollow" || 
      anchor.getAttribute("rel") == "nofollow external" )
      )
    anchor.target = "_blank";
  }
}

function setInputBehavior(id, behavior) {
  if (!document.getElementById) return;
  var inputBox = document.getElementById(id);
  if (inputBox) {
    if (inputBox.tagName.toLowerCase() == 'input') {
      if (inputBox.value.length > 0) {
        if (behavior == 'show-hide') setInputBehaviorShowHide(inputBox);
        else if (behavior == 'hide') setInputBehaviorHide(inputBox);
        else if (behavior = 'highlight') setInputBehaviorHighlight(inputBox);
      }
    }
  }
}

function setInputBehaviorShowHide (inputBox) { /* should not be called directly, needs to go through setInputBehavior to be unobtrusive */
  var defaultString = inputBox.value;
  inputBox.onfocus = 
    function() {
      if(this.value == defaultString) {
        this.value = "";
      }
    };
  inputBox.onblur = 
    function updateSearchFieldOnBlur() {
      if(this.value.length == 0) {
        this.value = defaultString;
      }
    };
}

function setInputBehaviorHide (inputBox) { /* should not be called directly, needs to go through setInputBehavior to be unobtrusive */
  var defaultString = inputBox.value;
  inputBox.onfocus = 
    function() {
      if(this.value == defaultString) {
        this.value = "";
      }
    };
}

function setInputBehaviorHighlight (inputBox) {
  var defaultString = inputBox.value;
  inputBox.onfocus = 
    function() {
      if(this.value == defaultString) {
        this.select();
      }
    };
}

function inputBehaviors() {
  if (!document.getElementsByTagName) return;
  var inputs = document.getElementsByTagName("input");
  for (var i=0; i < inputs.length; i++) {
    var input = inputs[i];
    if (input.type == 'text') {
      if (input.className == 'behavior-show-hide') setInputBehaviorShowHide(input);
      else if (input.className == 'behavior-hide') setInputBehaviorHide(input);
      else if (input.className == 'behavior-highlight') setInputBehaviorHighlight(input);
    }
  }
}

function openBannerWindow(url,width,height) {
  var bannerWindow = window.open(url,'','scrollbars=yes,menubar=yes,height='+height+',width='+width+',resizable=yes,toolbar=no,location=yes,status=yes');
}

function openWindow(theSite) {
  newwin = window.open(theSite,"","height=550,width=600,scrollbars=no,resizable=no,toolbar=no,status=no,fullscreen=no");
  return false;
}

function toggleHiLo() {
  var elements = getElementsByClass("lo");
  for (var i=0; i < elements.length; i++) {
    if (hasClass(elements[i], "lo") && hasClass(elements[i], "hi")) removeClass(elements[i], "hi");
    elements[i].onmouseover =
      function() {
        removeClass(this, "lo");
        addClass(this, "hi");
      };
    elements[i].onmouseout =
      function() {
        removeClass(this, "hi");
        addClass(this, "lo");
      };
  }
}

function getAllFormElements( parent_node ) {
  if( parent_node == undefined ) {
    parent_node = document;
  }
      
  var out = new Array();
   
  formInputs = parent_node.getElementsByTagName("input");
  for (var i = 0; i < formInputs.length; i++)
  out.push( formInputs.item(i) );
     
  formInputs = parent_node.getElementsByTagName("textarea");
  for (var i = 0; i < formInputs.length; i++)
  out.push( formInputs.item(i) );
      
  formInputs = parent_node.getElementsByTagName("select");
  for (var i = 0; i < formInputs.length; i++)
  out.push( formInputs.item(i) );      
    
  formInputs = parent_node.getElementsByTagName("button");
  for (var i = 0; i < formInputs.length; i++)
  out.push( formInputs.item(i) );    
      
  return out;
}

function getLiParent(obj) {
  while (obj.tagName.toLowerCase() != "li") {
    obj = obj.parentNode;
  }
  return obj;
}

function formLiFocused() {
  var forms = getElementsByClass("w", document, "form");
  for (var i=0; i < forms.length; i++) {
    var items = forms[i].getElementsByTagName("li");
    for (var j=0; j < items.length; j++) {
      if (!hasClass(items[j], "buttons")) {
        fields = getAllFormElements(items[j]);
        for (var k=0; k < fields.length; k++) {
          fields[k].onfocus = function() { addClass(getLiParent(this), "focused"); }
          fields[k].onblur = function() { removeClass(getLiParent(this), "focused"); }
        }
      }
    }
  }
}

window.onload = function() {
  inputBehaviors();
  externalLinks();
  toggleHiLo();
  formLiFocused();
}