Position.Window = {
  //extended prototypes position to return
  //the scrolled window deltas
  getDeltas: function() {
    var deltaX =  window.pageXOffset
    || document.documentElement.scrollLeft
    || document.body.scrollLeft
    || 0;
    var deltaY =  window.pageYOffset
    || document.documentElement.scrollTop
    || document.body.scrollTop
    || 0;
    return [deltaX, deltaY];
		},
  //extended prototypes position to
  //return working window's size, 
  //copied this code from the 
  size: function() {
    var winWidth, winHeight, d=document;
    if (typeof window.innerWidth!='undefined') {
      winWidth = window.innerWidth;
      winHeight = window.innerHeight;
			 } else {
      if (d.documentElement && typeof d.documentElement.clientWidth!='undefined' && d.documentElement.clientWidth!=0) {
        winWidth = d.documentElement.clientWidth
        winHeight = d.documentElement.clientHeight
						} else {
        if (d.body && typeof d.body.clientWidth!='undefined') {
          winWidth = d.body.clientWidth
          winHeight = d.body.clientHeight
							 }
						}
			 }
    return [winWidth, winHeight];
		}
}

function selected(type, text) {	
  document.getElementById('1').style.display='none';
  document.getElementById('2').style.display='none';
  document.getElementById('3').style.display='none';
  document.getElementById('4').style.display='none';
  document.getElementById('5').style.display='none';
  document.getElementById('6').style.display='none';
	
 	document.getElementById('web_tab_se').className="";
	document.getElementById('images_tab_se').className="";
	document.getElementById('news_tab_se').className="";
	document.getElementById('entreprises_tab_se').className="";
	document.getElementById('shopping_tab_se').className="";
		
	document.getElementById(text).style.display='block';
	document.getElementById(type).className="current";	 	
}

function top_box() 
{
	/*
	var a = Position.page($('frame'));
  var topbox = a[1];
	var tot = topbox - 250;

  $('iframew').style.top = -tot;
  $('iframew').style.left = 350;
 */
 	var _scroll = Position.Window.getDeltas();
  var _window = Position.Window.size();
  var elementDimensions = Element.getDimensions($('iframew'));
  var eWidth = elementDimensions.width;
  var eHeight = elementDimensions.height;
  var moveX = (_window[0] - eWidth) / 2 + _scroll[0];
  var moveY = (_window[1] - eHeight) / 2 + (_scroll[1]-75);
	$('iframew').style.top = moveY;
	$('iframew').style.left = moveX;
}