function trim(s) {
	while (s.substring(0,1) == ' ')
    	s = s.substring(1, s.length);
                    
    while (s.substring(s.length-1, s.length) == ' ')
    	s = s.substring(0, s.length-1);
                    
    return s;
}

//---- Filtre sur les images ---------

nereidFadeObjects = new Object();
nereidFadeTimers = new Object();
function nereidFade(object, destOp, rate, delta){
if (!document.all)
return
    if (object != "[object]"){  
        setTimeout("nereidFade("+object+","+destOp+","+rate+","+delta+")",0);
        return;
    }
    clearTimeout(nereidFadeTimers[object.sourceIndex]);
    diff = destOp-object.filters.alpha.opacity;
    direction = 1;
    if (object.filters.alpha.opacity > destOp){
        direction = -1;
    }
    delta=Math.min(direction*diff,delta);
    object.filters.alpha.opacity+=direction*delta;
    if (object.filters.alpha.opacity != destOp){
        nereidFadeObjects[object.sourceIndex]=object;
nereidFadeTimers[object.sourceIndex]=setTimeout("nereidFade(nereidFadeObjects["+object.sourceIndex+"],"+destOp+","+rate+","+delta+")",rate);
    }
}

function Num_Dot(){
	var Touche = window.event.keyCode;
	if (! ( (Touche > 45) && (Touche < 58)  ) )  
		window.event.keyCode = 0;
}

//---- Ouverture de popup ---------
function openPop(fichier,longueur,hauteur)
{
	window.open(fichier,'popup','toolbar=0, location=0, directories=0, status=0, scrollbars=0, resizable=0, copyhistory=0, menuBar=0, width=' + longueur + ', height=' + hauteur + ', left=20, top=20');
	return(false);
}