//<SCRIPT LANGUAGE=javascript>

function go(){

	if(trim(document.getElementById('libelle').value)=='' && 
	document.getElementById('paysListe').value=='' && 
	document.getElementById('langueListe').value=='' 
	){
		alert("Indica por lo menos un criterio");
		return true;
	}
	else
		document.frmecran001.submit();
}


function trim(string) 
{ 
return string.replace(/(^\s*)|(\s*$)/g,''); 
} 
function setFocus()
{
    document.getElementById('libelle').focus();
}

//</SCRIPT>