myKey = 'ABQIAAAAUfhGRNuwl43_Z5BIaDNi_BR65PIDbfhNKl0vbfyRUHtVup_k5RT4Dlnr0ICeNSbbLLtFhjCb3Dc6fw';
var scriptTag = '<' + 'script src="http://maps.google.com/maps?file=api&v=2&key=' + myKey + '">'+'<'+'/script>';
document.write(scriptTag);