$('document').ready(function(){
	$('document').changeImage();
})
$.fn.changeImage=function(){
	var getImage=$('#phoneBan img').attr('src');
	for(i=0; i<img.length; i++){
		if(getImage=='images/'+img[i] && i+1!=img.length){
			$('#phoneBan img').hide();
			$('#phoneBan img').attr('src', 'images/'+img[i+1]);
			$('#phoneBan img').show();
			break;
		}
		else if((i+1)==img.length){
			$('#phoneBan img').hide();
			$('#phoneBan img').attr('src', 'images/'+img[0]);
			$('#phoneBan img').show();
			break;
		}
	}
	setTimeout('$("document").changeImage()', 3000);
}