function mostrar(id)
{
	document.getElementById(id).style.display = 'block';    
}

function esconder(id)
{
    document.getElementById(id).style.display = 'none';    
}

function limparpesqrefinada(){
	document.frprincipal.p.value="";
  	document.frprincipal.np.value="";
    document.frprincipal.omin.value="";
   	document.frprincipal.omax.value="";
   	document.frprincipal.loja.value="";
}

function envia(pg,formulario){
    with(document.getElementById(formulario)){
        method = 'POST';
        action = pg;
        submit();
    }
    return;
}
function enviaget(pg,formulario){
    with(document.getElementById(formulario)){
        method = 'GET';
        action = pg;
        submit();
    }
    return;
}
function filtaritem(id,valor){
	document.getElementById(id).value=valor;
	document.frprincipal.submit();
}
function ordenar(id){
	document.getElementById('o').value=id;
	document.frprincipal.submit();
}