window.onload = function() {
  var nsf=document.forms['frmNumberSearch'];
  if (nsf) {
    nsf.onsubmit = function() {
      var qry;
      var qry2;
      if (document.getElementById) {
        qry = document.getElementById('txtQuery');
      } else if (document.all) {
        qry = document.all['txtQuery'];
      }
      if (qry && qry.value) {		
		var numqry;
		if (qry.value.substr(0,1) == 'N')
		{
		qry2 = qry.value.substr(1);
		numqry = qry2;
		}
		else if (qry.value.substr(0,1) == 'n')
		{
		qry2 = qry.value.substr(1);
		numqry = qry2;
		}	
		else		
		{
		numqry = qry.value;
		}		
			window.open('http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=' + numqry);
       
        return true;
      }
      return false;
    };
    nsf = null;
  }
  }