var ccount={'1':{c:4581,u:4523},'2':{c:3068,u:3045},'3':{c:977,u:976},'5':{c:878,u:878},'6':{c:1290,u:1270},'8':{c:796,u:768},'9':{c:1914,u:1847},'4':{c:3545,u:3460},'11':{c:1860,u:1752},'12':{c:920,u:908},'13':{c:2329,u:2301},'':{}}; function ccount_display(id) { document.write(ccount[id]['c'].formatThousands('UK')); } function ccount_sum2(id1, id2) { var count1 = parseInt(ccount[id1]['c']); var count2 = parseInt(ccount[id2]['c']); var sum = count1 + count2; document.write(sum.formatThousands('UK')); } function ccount_sum3(id1, id2, id3) { var count1 = parseInt(ccount[id1]['c']); var count2 = parseInt(ccount[id2]['c']); var count3 = parseInt(ccount[id3]['c']); var sum = count1 + count2 + count3; document.write(sum.formatThousands('UK')); } function ccount_unique(id) { document.write(ccount[id]['u'].formatThousands('UK')); } Number.prototype.formatThousands = function(notation) { var n = this, separator = ""; switch (notation) { case "US": separator = ","; break; case "UK": separator = "."; break; case "FR": separator = " "; break; default: return n; } n = parseInt(n) + ""; j = (j = n.length) > 3 ? j % 3 : 0; return (j ? n.substr(0, j) + separator : "") + n.substr(j).replace(/(\d{3})(?=\d)/g, "$1" + separator); }