function taf(id) {

     var URL = "/tellafriend.php?id=" + id;

      var features =
        'width='        + '400' +
        ',height='      + '400' +
        ',directories=' + 'no' +
        ',location='    + 'no' +
        ',menubar='     + 'no' +
        ',scrollbars='  + 'yes' +
        ',status='      + 'yes' +
        ',toolbar='     + 'no' +
        ',Resizable='  + 'yes';
      info = window.open (URL, "taf", features);
}  


function showImage(pid,file) {
    var URL = "/showImage.php?pid=" + pid + "&file=" + file;
     var features =
       'width='        + '700' +
       ',height='      + '500' +
       ',directories=' + 'no' +
       ',location='    + 'no' +
       ',menubar='     + 'no' +
       ',scrollbars='  + 'yes' +
       ',status='      + 'yes' +
       ',toolbar='     + 'no' +
       ',Resizable='  + 'yes';
     info = window.open (URL, "showImage", features);

}


function contact(id) {

     var URL = "/propertyContact.php?id=" + id + "&type=lease";

      var features =
        'width='        + '400' +
        ',height='      + '400' +
        ',directories=' + 'no' +
        ',location='    + 'no' +
        ',menubar='     + 'no' +
        ',scrollbars='  + 'yes' +
        ',status='      + 'yes' +
        ',toolbar='     + 'no' +
        ',Resizable='  + 'yes';
      info = window.open (URL, "contact", features);
}

<!--

var state = 'none';

function showhide(layer_ref) {

if (state == 'block') {
state = 'none';
}
else {
state = 'block';
}
if (document.all) { //IS IE 4 or 5 (or 6 beta)
eval( "document.all." + layer_ref + ".style.display = state");
}
if (document.layers) { //IS NETSCAPE 4 or below
document.layers[layer_ref].display = state;
}
if (document.getElementById &&!document.all) {
hza = document.getElementById(layer_ref);
hza.style.display = state;
}
}
//-->