<!-- //
function calc()
{
  oForm = document.forms.calculator;
  if ( oForm.p.value.match( /[^0-9.]/ )) oForm.p.value = oForm.p.value.replace( /[^0-9.]+/g, '' );
  if ( oForm.p.value.match( /\..*\./) )  oForm.p.value = oForm.p.value.replace( /(\..*)\./, '$1' );

  var p = oForm.p.value;
  var ltt;
  if ( p < 55000.01 ) { ltt = p * 0.005 }
  else if ( p < 250000.01) { ltt = ( p * 0.010 ) - 275 }
  else if ( p < 400000.01) { ltt = ( p * 0.015 ) - 1525 }
  else { ltt = ( p * 0.020 ) - 3525 }
  ltt = Math.round( ltt * 100 ) / 100;
  ltt = ltt.toString();
  if ( ltt.match( /^[0-9]+$/ )) ltt += ".00";
  else if ( ltt.match( /^[0-9]+\.[0-9]$/ )) ltt += "0";
  oForm.ltt.value = ltt;
}
// -->

<!-- //
window.onload = function() {
    var links = document.getElementsByTagName('a');
    for (var i=0;i < links.length;i++) {
        if (links[i].className == 'new-window') {
            links[i].onclick = function() {
                window.open(this.href);
                return false;
            };
        }
    }
};
// -->