var url_regex = /^http:\/\//;

$( function() {
    $('h2 img').each(function() {

        var alt = this.getAttribute('longdesc');
        if( alt.match( url_regex ) ) {
            var urls = alt.split('|');

            var map = '';
            for( var i=0; i < urls.length; i++ ) {
                var left = 200 * i;
                var right = 200 + left;
 
                map = map + '<area shape="rect" coords="' + left + ',210,'+ right +',246' + '" href="' + urls[i] +'" />'
            }
            $(this.parentNode).append('<map name="flickrlink">' + map + '</map>');

            this.setAttribute('usemap','#flickrlink');        
            $(this).css('border','0px');
        }
    });
});