function cachBtn(elem){
	var idHtml = '#'+elem;
	$(idHtml).css('display','none'); 
}

function affBtn(elem){
	var idHtml = '#'+elem;
	$(idHtml).css("display","block"); 	
}

function cachDiv(elem){
	var idHtml = '#'+elem;
 
	$(idHtml).fadeOut(0); 
}

function affDiv(elem){
	var idHtml = '#'+elem;
	$(idHtml).fadeIn("slow");
 
}

function supprClass(elem){
	var idHtml = '#'+elem;
	$(idHtml).removeClass();
 
}

function addClass(elem){
	var idHtml = '#'+elem;
	$(idHtml).addClass('active');
	
	
}