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function Timer(millis, callback, _params) {
    var params = $.extend(_params,{repeat: true,context: this})
    this.interval = millis;
    this.repeat = params.repeat;
    this.context = params.context;
    this.args = params.args;
    this.onTimer = callback;
    this.callback = $.proxy(this._onTimer, this);
    this.single = false;
    this._reqs = 0;

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// Method: What is Nearer helper function
// Pre-requisite: dataset loaded in the app delegate
-(NSDictionary *) whatIsNearer:(CLLocation *)currentLocation {
	whichway_ipadAppDelegate *appdelegate = (whichway_ipadAppDelegate *)[[UIApplication sharedApplication] delegate];	
	float closest_distance;
	int linecnt = 1;
	NSDictionary *tmpDict = [[[NSDictionary alloc] init] autorelease];
	for (NSDictionary *store in appdelegate.dataset) {	
		NSString *latlong = [store objectForKey:@"LatLong"];
		NSArray *latlongarray = [latlong componentsSeparatedByString:@","];