function efface(champ,chaine){
	if(champ.value == chaine)
		champ.value = "";
}
function affiche_attente(form,message){
	if(form){
		if($("#"+form).valid()){
			$("object").hide();//masque les balises object (flash) car elle ne prenne pas l'opacity
			if ($.browser.msie && $.browser.version.substr(0,1)<7){
				$("select").css("display","none");
			}
			$("#attente").show();
			$("#attente").append(message);
		}
	}else{
		$("object").hide();//masque les balises object (flash) car elle ne prenne pas l'opacity
		if ($.browser.msie && $.browser.version.substr(0,1)<7){
			$("select").css("display","none");
		}
		$("#attente").show();
		$("#attente").append(message);
	}
	window.scrollTo(0,0);
}
function trim(sString) {
    while (sString.substring(0,1) == ' ' || sString.substring(0,1) == '\t' || sString.substring(0,1) == '\r' || sString.substring(0,1) == '\n')
    {
        sString = sString.substring(1, sString.length);
    }
    while (sString.substring(sString.length-1, sString.length) == ' ' || sString.substring(sString.length-1, sString.length) == '\t' || sString.substring(sString.length-1, sString.length) == '\r' || sString.substring(sString.length-1, sString.length) == '\n')
    {
        sString = sString.substring(0,sString.length-1);
    }
    return sString;
}