function Validate(form, idx){
	var fields = $ES('.req'+idx);
	var returnObject = {isEmpty:false, champName:''}; 
	form.page.value = window.location;
	fields.each(
		function(el, i){
			if(!el.value){
				if(this.isEmpty == false) this.champName = el.name;
				this.isEmpty = true;	
			}
		}, returnObject	
	);
	if(returnObject.isEmpty == true){
		alert("Le champ \"" + returnObject.champName + "\" est obligatoire.");
		return false;
	}else{
		return true;//true
	}
}



window.addEvent('domready', function() {
		if($('formgroupe') || $('formfamille') ){
			['formgroupe', 'formfamille'].each(function(item, index){
			var formm = new Fx.Style(item, 'opacity');
			formm.set(0);
			}
			)
		}
		if($('formsalles')){
			['formsalles'].each(function(item, index){
			var formm = new Fx.Style(item, 'opacity');
			formm.set(0);
			}
			)
		}
		
	});
	
	function activate(divid){
		if($('formgroupe') || $('formfamille')){
			['formgroupe', 'formfamille'].each(function(item, index){
			var formm = new Fx.Style(item, 'opacity');
				if( divid == item ){
					formm.set(1); 
				}else{
					formm.set(0);
				}
			}
			)
		}
		if($('formsalles')){
			['formsalles'].each(function(item, index){
			var formm = new Fx.Style(item, 'opacity');
				if( divid == item ){
					formm.set(1); 
				}else{
					formm.set(0);
				}
			}
			)
		}
	}