function setFooter(pied) {
if (document.getElementById) {
	var windowHeight=getWindowHeight();
	if (windowHeight>0) {
		var contentHeight=document.getElementById('corps').offsetHeight+document.getElementById('divMenu').offsetHeight+pied;
		var footerElement=document.getElementById('bandeau');
		var footerHeight=footerElement.offsetHeight;
		if (windowHeight-(contentHeight+footerHeight)>=0) {
			footerElement.style.display='block';
            footerElement.style.top=
            (windowHeight-(contentHeight+footerHeight))+'px';//alert('hauteur du contenu:'+contentHeight+'  hauteur de la fenetre:'+windowHeight);
        }
        else {
            //footerElement.style.position='static';
			footerElement.style.display='block';
        }
       }
      }
}

function getWindowHeight() {
var windowHeight = 0;
if (typeof(window.innerHeight) == 'number') {
	windowHeight = window.innerHeight;
}else {
	if (document.documentElement && document.documentElement.clientHeight) {
		windowHeight = document.documentElement.clientHeight;
	}else {
		if (document.body && document.body.clientHeight) {
			windowHeight = document.body.clientHeight;
		}
	}
}
return windowHeight;
}