var topMargin = 1;
var leftMargin = 1;
var slideTime = 1200;
var ns6 = (!document.all && document.getElementById);
var ie4 = (document.all);
var ns4 = (document.layers);
var random_number="ord="+(Math.round(Math.random()*10000000000))+"?";
var fin = new Image(); fin.src = "./images/vide.gif"; fin.width="0"; fin.height="0"; 

function verifForm(formulaire)
{

if (formulaire.send_OK.value == "" ||
        formulaire.send_OK.value == null ||
        formulaire.send_OK.value.search( /^[\w-\.]+@[\w-]+\.[\w-\.]+$/ ) == -1)
        {

        alert( "Veuillez inscrire correctement votre courrier électronique." );

        }
		else
		{

		formulaire.submit();
		return true;
	}
}

function layerObject(id,left) {
if (ns6) {
this.obj = document.getElementById(id).style;
this.obj.left = 1;
return this.obj;
}
else if(ie4) {
this.obj = document.all[id].style;
this.obj.left = 1;
return this.obj;
}
else if(ns4) {
this.obj = document.layers[id];
this.obj.left = 1;
return this.obj;
   }
}

function layerSetup() {
floatLyr = new layerObject('floatLayer', pageWidth * .5);
window.setInterval("main()", 10)
}

function floatObject() {
if (ns4 || ns6) {
findHt = window.innerHeight;
} else if(ie4) {
findHt = document.body.clientHeight;
   }
} 

function main() {
if (ns4) {
this.currentY = document.layers["floatLayer"].top;
this.scrollTop = window.pageYOffset;
mainTrigger();
}
else if(ns6) {
this.currentY = parseInt(document.getElementById('floatLayer').style.top);
this.scrollTop = scrollY;
mainTrigger();
} else if(ie4) {
this.currentY = floatLayer.style.pixelTop;
this.scrollTop = document.body.scrollTop;
mainTrigger();
   }
}

function mainTrigger() {
var newTargetY = this.scrollTop + this.topMargin;
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 )document.all.floatLayer.style.pixelTop = newY;
if ( ns4 )document.layers["floatLayer"].top = newY;
if ( ns6 )document.getElementById('floatLayer').style.top = newY + "px";
   }
}

function closeSup()
	{
	if(document.getElementById)
		{
		document.getElementById("floatLayer").style.width = 1;
		document.getElementById("floatLayer").style.height = 1;
		document.getElementById("floatLayer").innerHTML = '';
		}
	}

function start() {

if(ns6||ns4) {
pageWidth = innerWidth;
pageHeight = innerHeight;
layerSetup();
floatObject();
}
else if(ie4) {
pageWidth = document.body.clientWidth;
pageHeight = document.body.clientHeight;
layerSetup();
floatObject();
   }
}


function sf(){document.f.q.focus(); start();}
function c(p){var f=document.f;if (f.action) {f.action = 'http://'+p;f.submit();return false;}return true;}

function bascule(from, to) { document[from].src = to.src; }