var topMargin = 10;
var originalY = -1;
var slideTime = 200;
var ns6 = (!document.all && document.getElementById);
var ie4 = (document.all);
var ns4 = (document.layers);

window.setInterval("main()", 10);

function getScrollTop() {
  if (window.pageYOffset) {
    return window.pageYOffset;
  }
  else if (document.documentElement && document.documentElement.scrollTop) {
    return document.documentElement.scrollTop;
  }
  else if (document.body) {
    return document.body.scrollTop
  }
  return 0;
}
function getClientWidth() {
  if (window.innerWidth) {
    theWidth = window.innerWidth;
  }
  else if (document.documentElement && document.documentElement.clientWidth) {
    theWidth = document.documentElement.clientWidth;
  }
  else if (document.body) {
    theWidth = document.body.clientWidth;
  }
}
function floatObject() {
	if (ns4 || ns6) {
		findHt = getClientWidth();
	} else if(ie4) {
		findHt = getClientWidth();
	}
}
function main() {
	if (ns4) {
		this.currentY = document.sky.top;
		this.scrollTop = getScrollTop();
		if (this.originalY <= 0) {
			this.originalY = getLayerY(sky);
		}
		mainTrigger();
	} else if(ns6) {
		this.currentY = (document.getElementById('sky').style.top == "" ? 0 : parseInt(document.getElementById('sky').style.top));
		this.scrollTop = getScrollTop();
		if (this.originalY <= 0) {
			this.originalY = getLayerY(document.getElementById('sky'));
		}
		mainTrigger();
	} else if(ie4) {
		this.currentY = sky.style.pixelTop;
		this.scrollTop = getScrollTop();
		if (this.originalY <= 0) {
			this.originalY = getLayerY(sky);
		}
		mainTrigger();
	}
}
function mainTrigger() {
	var newTargetY = 0;
	if (this.scrollTop > this.originalY)
		newTargetY = this.scrollTop + this.topMargin - this.originalY;
	if ( this.currentY != newTargetY ) {
		if ( newTargetY != this.targetY ) {
			this.targetY = newTargetY
			floatStart();
		}
		animator();
	}
}
function floatStart() {
	var now = new Date()
	this.A = this.targetY - this.currentY
	this.B = Math.PI / ( 2 * this.slideTime )
	this.C = now.getTime()
	if (Math.abs(this.A) > this.findHt) {
		this.D = this.A > 0 ? this.targetY - this.findHt : this.targetY + this.findHt
		this.A = this.A > 0 ? this.findHt : -this.findHt
	} else {
		this.D = this.currentY
	}
}
function animator() {
	var now = new Date()
	var newY = this.A * Math.sin( this.B * ( now.getTime() - this.C ) ) + this.D
	newY = Math.round(newY)
	if (( this.A > 0 && newY > this.currentY ) || ( this.A < 0 && newY < this.currentY )) {
		if ( ie4 )sky.style.pixelTop = newY
		if ( ns4 )document.sky.top = newY
		if ( ns6 )document.getElementById('sky').style.top = newY + "px";
	}
}
function getLayerY(obj) {
	var curtop = 0;
	if (obj.offsetParent)
	{
		while (obj.offsetParent)
		{
			curtop += obj.offsetTop
			obj = obj.offsetParent;
		}
	}
	else if (obj.y)
		curtop += obj.y;
	return curtop;
}

document.write('<div id="sky" style="position:relative; z-index: 26; top: 0px;"><div id="Layer1" ><object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=8,0,0,0" width="225" height="570"><param name="allowScriptAccess" value="sameDomain" /><param name="movie" value="http://www.terre-net.fr/ulf/pubs/reserve/69-490-0-2112007115753.SWF?urlimg=http://www.terre-net.fr/ulf/pubs/reserve/69-490-0-2112007115753.SWF&clicktag=http%3A%2F%2Fwww%2Eterre%2Dnet%2Efr%2Ffinc%2Fpubs%2Fpub%5Fredirect%2Easp%3Fidpub%3D7218%26s%3D0%26u%3D0%26idencours%3D43488"><param name="quality" value="high" /><param name="bgcolor" value="" /><param name="wmode" value="transparent" /><embed src="http://www.terre-net.fr/ulf/pubs/reserve/69-490-0-2112007115753.SWF?urlimg=http://www.terre-net.fr/ulf/pubs/reserve/69-490-0-2112007115753.SWF&clicktag=http%3A%2F%2Fwww%2Eterre%2Dnet%2Efr%2Ffinc%2Fpubs%2Fpub%5Fredirect%2Easp%3Fidpub%3D7218%26s%3D0%26u%3D0%26idencours%3D43488" quality="high" bgcolor="" width="225" height="570" wmode="transparent" align="middle" allowScriptAccess="sameDomain" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer" /></object></div></div>')