/*
 On click event for the suburb select box. When clicked it populates
 the suburb entry field then deselects the clicked suburb. Focus is
 returned to the suburb entry field.
*/

function selTownArea () {
 if (!document.getElementById) return;
 var text   = document.getElementById('interestedin');
 var select = document.getElementById('areaschoice');
 // An IE bug means we need another event before select.selectedIndex
 // will update from -1. Since we need to swap the focus anyway we'll
 // do it before we look at what was clicked in the select box.
 text.focus();
 var suburb = select.options[select.selectedIndex];

 // short circuit on 'show all suburbs'
 //if (select.selectedIndex == 0) {
 //text.value = '';
 //return true;
 //}

 var newcleartxt = suburb.text;
 if (newcleartxt == 'Clear Town/Area Selections') {
 text.value = '';
 return true;
 }

 //var newclearpotxt = suburb.text;
 //var textFrSuburbs = text.value.split(', ');
 //if (newclearpotxt == 'Remove Last Town') {
 // textFrSuburbs.pop();
 // textFrSuburbs.join(',');
 // newclearpotxt = textFrSuburbs + ',';
 //text.value = newclearpotxt;
 //return true;
 //}

 var newSuburb = suburb.text;
 var result = newSuburb.match(/^\*{3} KBA (.*) LACTFRE \*{3}$/);
 if (result != null) {
 newSuburb = result[1];
 }
 // see if the selected suburb is in the list already
 var textSuburbs = text.value.split(/\s*,\s*/);
 if (!textSuburbs) return;
 var pattern = new RegExp('\s*' + newSuburb + '\s*$');
 for (var i = 0; i < textSuburbs.length; i++) {
 // if it's in the list don't do anything
 if (pattern.exec(textSuburbs[i])) return;
 }
 // its not in the list so add it replacing any incomplete words
 var newvalue = text.value.replace(
 /(^|,)([^,]*)$/,
 "$1 " + newSuburb + ', '
 ).replace(/^\s*/, '');
 text.value = newvalue;
}
 function sfsBuildIndex () {
 if (!document.getElementById) return;
 var select = document.getElementById('areaschoice');
 for (var i = select.options.length; i--;) {
 sfsIndex[select.options[i].text.toUpperCase().charAt(0)] = i;
 }
 sfsIndex.populated = true;
}