function showclouds(tag){
	with(document.b){
		q.value = tag;
		submit();
	}
}

/*
* cadastra os e-mails para newsletter
*/
function addnews(){
	with(document.formnews){
		var m = email.value;
		var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
		if (!filter.test(m)){
			alert('informe um e-mail válido');
			email.focus();
		}else{
			manda = m.replace(/[@]+/g,'-');
			var myBase = window.location;
			var url = myBase+"contato/news/"+manda;
			ajaxLoader(url ,'newsletter');
		}
	}

}