function keycalculate(obj,options){
		var count = $(obj).val().length;
		var available = options.allowed - count;
		if(available <= options.warning && available >= 0){
			$(obj).next().addClass('warning');
		} else {
			$(obj).next().removeClass('warning');
		}
		if(available < 0){
			$(obj).next().addClass('exceeded');
		} else {
			$(obj).next().removeClass('exceeded');
		}
		$(obj).next().html(available + options.counterText);
};