var nSearches = 1;
var now = new Date();
var loadTime = now.getTime();

function hpSearch(){
  var url= document.getElementById('business-search-form').action + '?qt=' + document.getElementById('sector-keyword').value;
  window.open(url, 'searchwindow' + loadTime + '|' + nSearches);
  nSearches++;
  return false;
}