//<SCRIPT LANGUAGE=javascript>

function go(){
	if(trim(document.getElementById('libelle').value)=='' && 
	document.getElementById('paysListe').value=='' && 
	document.getElementById('langueListe').value==''
	){
		alert("Please fill in at least one criteria.");
		return true;
	}
	else
		document.frmecran001.submit();
}


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