;(function($) {
$.fn.autoSizeText = function(settings) {
var _defaultSettings = {min:20,max:40};
var _settings = $.extend(_defaultSettings, settings);
var _handler = function() {
jQuery(this).keyup(function() {
if (jQuery(this).attr("type") != 'text') {
return false;
}
jQuery(this).attr("size", _settings.min);
var actLength = jQuery(this).val().length;
if (actLength > _settings.min && actLength < _settings.max) {
jQuery(this).attr("size", actLength + 1);
} else if (actLength <= _settings.min) {
jQuery(this).attr("size", _settings.min);
}
});
};
return this.each(_handler);
};
})(jQuery);