var statusquery = false;
function limpaBusca(obj){
	alert('oxente');
	if(!statusquery){
		obj.value = '';
	}
	if(obj.value=="" && statusquery){
		obj.value = "Procurar...";
		statusquery = false;
	}
	return false;
}
function retornaquery(){
	f = document.forms[0];
	if(f.query.value==""){
		f.query.value = "Procurar...";
		statusquery = false;
	}
	return false;
}
function iniciarquery(){
	f = document.forms[0];
	if(f.query.value=="" || !statusquery){
		alert('preencha a query');
		f.query.focus();
	}
	else{
		f.submit();
	}
	return false;
}
function chkquery(e){
	var keycode;
	if (window.event) keycode = window.event.keyCode;
	else if (e) keycode = e.which;
	if (keycode == 13){
		window.setTimeout("iniciarquery()",10);
		return false;
	}
	else{
		statusquery = true;
		return true;
	}
}