$('document').ready(function(){
    $('.qrcode').each(function(o,i){
        var sms = $(this).attr('data-sms');
        var text = $(this).attr('data-text');
        var resolution = $(this).attr('data-resolution');
        var encoding = $(this).attr('data-encoding');

        if (typeof(resolution) === 'undefined')
            resolution = 150;

        if (typeof(encoding) === 'undefined')
            encoding = 'UTF-8';

        if (typeof(text) === 'undefined')
            text = '';

        if (typeof(sms) !== 'undefined') {
            var url = 'http://chart.apis.google.com/chart?cht=qr&chs='+resolution+'x'+resolution+'&chl='+escape('smsto:'+sms+':'+text);
            //var url = encodeURI('http://chart.apis.google.com/chart?choe='+encoding+'&cht=qr&chs='+resolution+'x'+resolution+'&chl=smsto:'+sms+':'+text);

            $('<a href="#">показать QR-код</a>').bind('click',function(){
                $(this).html('<img src="'+url+'" width="'+resolution+'" height="'+resolution+'" />');
            }).appendTo($(this));
        }
    });
});