// JavaScript Document
function suckerfish(type, tag, parentId) {
  if (window.attachEvent) {
    window.attachEvent("onload", function() {
      var sfEls = (parentId==null)?document.getElementsByTagName(tag):document.getElementById(parentId).getElementsByTagName(tag);
      type(sfEls);
    });
  }
}

sfHover = function(sfEls) {
  for (var i=0; i<sfEls.length; i++) {
    sfEls[i].onmouseover=function() {
      this.className+=" sfhover";
    }
    sfEls[i].onmouseout=function() {
      this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
    }
  }
}

sfFocus = function(sfEls) {
  for (var i=0; i<sfEls.length; i++) {
    sfEls[i].onfocus=function() {
      this.className+=" sffocus";
    }
    sfEls[i].onblur=function() {
      this.className=this.className.replace(new RegExp(" sffocus\\b"), "");
    }
  }
}

sfActive = function(sfEls) {
  for (var i=0; i<sfEls.length; i++) {
    sfEls[i].onmousedown=function() {
      this.className+=" sfactive";
    }
    sfEls[i].onmouseup=function() {
      this.className=this.className.replace(new RegExp(" sfactive\\b"), "");
    }
  }
}

sfTarget = function(sfEls) {
  var aEls = document.getElementsByTagName("A");
  document.lastTarget = null;
  for (var i=0; i<sfEls.length; i++) {
    if (sfEls[i].id) {
      if (location.hash==("#" + sfEls[i].id)) {
        sfEls[i].className+=" sftarget";
        document.lastTarget=sfEls[i];
      }
      for (var j=0; j<aEls.length; j++) {
        if (aEls[j].hash==("#" + sfEls[i].id)) aEls[j].targetEl = sfEls[i];
        aEls[j].onclick = function() {
          if (document.lastTarget) document.lastTarget.className = document.lastTarget.className.replace(new RegExp(" sftarget\\b"), "");
          if (this.targetEl) this.targetEl.className+=" sftarget";
          document.lastTarget=this.targetEl;
          return true;
        }
      }
    }
  }
}