if (document.body){
		var larg = (document.body.clientWidth);
		var haut = (document.body.clientHeight);
	} else {
		var larg = (window.innerWidth);
		var haut = (window.innerHeight);
	}

	if (larg<640){  			initiale=0.6; }
	if ((larg>=640)&&(larg<800)){  	initiale=0.8; }
	if ((larg>=800)&&(larg<1024)){  	initiale=1; }
	if ((larg>=1024)&&(larg<1280)){  	initiale=1; }
	if ((larg>=1280)&&(larg<1600)){  	initiale=1; }
	if (larg>=1600){  			initiale=1; }
	var windowToAdjust = ( window.external && window.external.menuArguments ) ? window.external.menuArguments.top : window;
	windowToAdjust.document.body.style.zoom = initiale;