function postAllForm(zone)	{
layerInfo('<span class="chargement"></span>');
var zoneAllForm = document.getElementById(zone)
var allForm = zoneAllForm.getElementsByTagName('FORM')
nb_img = allForm.length;
	for(var no=0;no<allForm.length;no++){
		allForm[no].submit();		
	}
}
function addContent(zone,content) {
	document.getElementById(zone).innerHTML += content;
}