function clign(i){
	if(document.getElementById("objet_disp")){
		if(i%2==0){
			document.getElementById("objet_disp").style.color = "white";
		}else{
			document.getElementById("objet_disp").style.color = "purple";
		}
		i++;
		setTimeout("clign("+i+")", 1000);
	}
}