// ================================================================

//                   ------ dock menu -------

// script by Gerard Ferrandez - Ge-1-doot - February 2006

// http://www.dhteumeuleu.com

// ================================================================

var dock = function(dock, sMin, sMax) { //alert(sMin);
  /* ---- private vars ---- */
  var xm = xmb = ov = 0;
  var M = true;
  var icons = document.getElementById(dock).getElementsByTagName('img');
  var N = icons.length;
  var s = sMin;
  var ovk = 0;
  var addEvent = function (o, e, f) {
    if (window.addEventListener) o.addEventListener(e, f, false);
    else if (window.attachEvent) r = o.attachEvent('on' + e, f);
  }
  var pxLeft = function(o) {
    for(var x =-document.documentElement.scrollLeft; o != null; o = o.offsetParent) x +=o.offsetLeft;
    return x;
  }
  for(var i = 0; i < N; i++) {
    var o = icons[i];
    o.style.width = sMin + "px";
    o.style.height = sMin + "px";
    o.className = "dockicon";
  }
  var run = function() {
    for(var i = 0; i < N; i++) {
      var o = icons[i];	
      var W = parseInt(o.style.width);
      if(ov && (ov.className == "dockicon")) {
        if(ov != ovk){
          ovk = ov;
        //			document.getElementById("legend").innerHTML = ov.lang;
        //		document.getElementById(ov.lang).style.fontSize = parseInt(W / 5); 
        }
        if(M) {
          W = Math.max((s * Math.cos(((pxLeft(o) + W / 2) - xm) / sMax)), sMin);
        }
        s = Math.min(sMax, s + .5); 
      } else {
        s = Math.max(s - .5, sMin);
        W = Math.max(W - N, sMin);
      }
      o.style.width = W + "px";
      o.style.height = parseInt(W / 2) + "px";
    //		if (o.lang){
    // document.getElementById(o.lang).style.fontSize = parseInt(W / 5); 
    //		document.getElementById("legend").innerHTML = ov.src + ', W: ' + W;
    //		}
    }
    if(s >= sMax) M = false;
  }
  addEvent(document, 'mousemove', function (e) {
    if(window.event) e = window.event;
    xm = (e.x || e.clientX);
    if(xm != xmb){
      M = true;
      xmb = xm;
    }
    ov = (e.target) ? e.target : ((e.srcElement) ? e.srcElement : null);
  }); 
  setInterval(run, 16);
};