/* Expresões regulares de validação */
var er_email = /^[A-Za-z0-9_\-\.]+@[A-Za-z0-9_\-\.]{2,}\.[A-Za-z0-9]{2,}(\.[A-Za-z0-9])?/;


function inputBusca(obj, value){
	$(obj).val(value);
    $(obj).bind("focus blur", function(e){
		if($(this).val() == value){
			$(this).val("");
		}else if($(this).val() == ""){
			$(this).val(value);
		}
    });
}

var status_menu = true;
function muda_menu(id)
{
	if(document.getElementById(id).className == 'ano' && status_menu)
	{
		status_menu = false;
		document.getElementById(id).className = 'baixo';
		$('#block_'+id).slideDown('normal',function(){status_menu = true;});
	}
	else if(status_menu)
	{
		status_menu = false;
		document.getElementById(id).className = 'ano';
		$('#block_'+id).slideUp('normal',function(){status_menu = true;});
	}
}

function busca_envia()
{
	var d_b=document.f_busca;
	if (d_b.q.value.length<2) {alert("Preencha o campo de busca.");d_b.q.focus();}
	else {d_b.submit();}

	return false;
}