$(function() {
	var tag = [ 
"adversity","overcoming","victory","comfort","encouragement","faith","anger","praise","love","men","healing","prayer","worship","mercy","grace","nativity","christmas","protection","forgiveness","faithfulness","redemption","repentance","salvation","character","children","console","christ","strength","uplifting","kindness","purity","missionary","promises","blessings","emergency","mission","commission","outreach","deliverance","holy","wisdom","holiness","babies","humility","work","hope","guidance","finances","peace","compassion","pride","cross","courage","romans road","integrity","trust","truth","women","youth"];
 
function split( val ) {
	return val.split( /,\s*/ );
}

function extractLast( term ) {
	return split( term ).pop();
}

$( "#tag" )
	// don't navigate away from the field on tab when selecting an item
	.bind( "keydown", function( event ) {
		if ( event.keyCode === $.ui.keyCode.TAB &&
				$( this ).data( "autocomplete" ).menu.active ) {
			event.preventDefault();
		}
	})
	.autocomplete({
		minLength: 0,
		source: function( request, response ) {
			// delegate back to autocomplete, but extract the last term
			response( $.ui.autocomplete.filter(
				tag, extractLast( request.term ) ) );
		},
		focus: function() {
			// prevent value inserted on focus
			return false;
		},
		select: function( event, ui ) {
			var terms = split( this.value );
			// remove the current input
			terms.pop();
			// add the selected item
			terms.push( ui.item.value );
			// add placeholder to get the comma-and-space at the end
			terms.push( "" );
			this.value = terms.join( ", " );
			return false;
		}
	});
});