function popup(url, name) {
  newwin = window.open(url, name, 'width=550, height=750, scrollbars=1,resizable=1');
}
function popup_book(url, name) {
  newwin = window.open(url, name, 'width=800, height=600, scrollbars=1,resizable=1');
}


function sleep(gap) {
  var then,now; then=new Date().getTime();
  now = then;
  while((now-then) < gap) {
    now=new Date().getTime();
  }
}

function preloadImages(img_src) { //v3.0
  if(document.image) {
    img_src=new Image(200,200);
    img_src.src=img_src;
  }
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
      if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;
  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
    if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
function startIeFix(){
  if(isIE()){
    document.write('<div id="bo_ns_id_' + bo_ns_id + '"><!-- ');
  }
}

function endIeFix(){
  if(isIE()){
    document.write('</div>');
    var theObject = document.getElementById("bo_ns_id_" + bo_ns_id++);
    var theCode = theObject.innerHTML;
    theCode = theCode.substring(4 ,9+theCode.indexOf("</object>"))
      document.write(theCode);
  }
}

function isIE(){
  // only for Win IE 6+
  // But not in Windows 98, Me, NT 4.0, 2000
  var strBrwsr= navigator.userAgent.toLowerCase();
  if(strBrwsr.indexOf("msie") > -1 && strBrwsr.indexOf("mac") < 0){
    if(parseInt(strBrwsr.charAt(strBrwsr.indexOf("msie")+5)) < 6){
      return false;
    }
    if(strBrwsr.indexOf("win98") > -1 ||
	strBrwsr.indexOf("win 9x 4.90") > -1 ||
	strBrwsr.indexOf("winnt4.0") > -1 ||
	strBrwsr.indexOf("windows nt 5.0") > -1)
    {
      return false;
    }
    return true;
  }else{
    return false;
  }
}

function scroll(content,pointeur,axe, max_pos, pos) {
  var slider = new Control.Slider(pointeur,axe, 
      {
	axis: 'vertical',
	range: $R(0,max_pos),
	onSlide: function(v) { scrollVertical(v, $(content), slider);  },
	onChange: function(v) { scrollVertical(v, $(content), slider); }
      });

  /*if(isIE()) {
    } else {
      if ($(content).scrollHeight  <= $(content).offsetHeight) {
	slider.setDisabled();
	$(axe).hide(); 
      } 
    }*/

  slider.setValue(pos);
  Event.observe(content, 'DOMMouseScroll', function(e) {
      wheel(e, slider);
      });
  Event.observe(content, 'mousewheel', function(e) {
      wheel(e, slider);
      });
}

function scrollVertical(value, element, slider) {
  element.scrollTop = Math.round(value / slider.maximum * (element.scrollHeight - element.offsetHeight));
}
// mouse wheel code from http://adomas.org/javascript-mouse-wheel/
function handle(delta, slider) {
  slider.setValueBy(-delta);
}

/** Event handler for mouse wheel event. */
function wheel(event, slider){
  var delta = 0;
  if (!event) /* For IE. */
    event = window.event;
  if (event.wheelDelta) { /* IE/Opera. */
    delta = event.wheelDelta/120;
    /** In Opera 9, delta differs in sign as compared to IE. */
    if (window.opera)
      delta = -delta;
  } else if (event.detail) { /** Mozilla case. */
    /** In Mozilla, sign of delta is different than in IE.
     * Also, delta is multiple of 3.
     */
    delta = -event.detail/3;
  }

  /** If delta is nonzero, handle it.
   * Basically, delta is now positive if wheel was scrolled up,
   * and negative, if wheel was scrolled down.
   */
  if (delta)
    handle(delta, slider);
  /** Prevent default actions caused by mouse wheel.
   * That might be ugly, but we handle scrolls somehow
   * anyway, so don't bother here..
   */
  if (event.preventDefault)
    event.preventDefault();

  event.returnValue = false;
}