// Cryptogram Javascript
// copyright 18th April 2006, 2nd September 2006 by Stephen Chapman
// permission to use this Javascript on your web page is granted
// provided that all of the code in this script (including these
// comments) is used without any alteration

var page = self.location.toString(); page = page.substr(0,page.indexOf('?'));var qsParm = new Array();function qs() {var query = window.location.search.substring(1);var parms = query.split('&');for (var i=0; i<parms.length; i++) {var pos = parms[i].indexOf('=');if (pos > 0) {var key = parms[i].substring(0,pos);var val = parms[i].substring(pos+1);qsParm[key] = val;}}}qsParm['w'] = null;qsParm['c'] = null;qs();var rs = decode = '--------------------------'; var undf = '-';if (qsParm['w']) decode = qsParm['w'];if (qsParm['c']) codenum = qsParm['c']; codestr = code[codenum];var cyl = from = to = '';document.getElementsByClassName = function(cl) {var retnode = [];var myclass = new RegExp('\\b'+cl+'\\b');var elem = this.getElementsByTagName('*');for (var i = 0; i < elem.length; i++) {var classes = elem[i].className;if (myclass.test(classes)) retnode.push(elem[i]);}return retnode;};function conv(codestr,decode) {var destr = '';for (var i = codestr.length - 1; i >= 0;i--) {var a = codestr.charCodeAt(i); if (a > 64 && a < 91) destr = decode.charAt(a-65)+destr; else destr = codestr.charAt(i)+destr;}return destr;}
function displayCode(codestr,decode) {var cs = spLine(codestr,39);var destr = conv(cs,decode); var a = cs.replace(/\n/g,'<br \/>');var b = destr.replace(/\n/g,'<br \/>');return '<div id="cr"><h3>The first line of this Cryptogram is a Song Title.<br>The second line is the name of the Performer.<\/h3><p class="fx">'+a+'<\/p><h3>The Decoded Answer<\/h3><p class="dc fx">'+b+'<\/p><\/div>';}function spLine(st,n) {var b = ''; var s = st;while (s.length > n) {var c = s.substring(0,n);var d = c.lastIndexOf(' ');var e = c.lastIndexOf('\n');if (e != -1) d = e; b += c.substring(0,d) + '\n';s = s.substring(d+1);}return b+s;}function count(lt,str) {var cnt = 0;for (var i = str.length - 1; i >= 0; i--) if (lt == str.charAt(i)) cnt++;return cnt;}function freq(codestr) {var txt = '<br><br><table id="frq"><tr><td align="center" colspan="13"><h4>Letter_Frequencies_and_Mapping</h4><\/td><\/tr><tr>';for (var i = 0; i < 13; i++) txt += '<td>'+String.fromCharCode(65+i)+'<\/td>';txt += '<\/tr><tr>';for (var i = 0; i < 13; i++) txt += '<td class="dc">'+decode.charAt(i)+'<\/td>';txt += '<\/tr><tr>';for (var i = 0; i < 13; i++) txt += '<td>'+count(String.fromCharCode(65+i),codestr)+'<\/td>';txt += '<\/tr><tr><td colspan="13" class="dv"><\/td><\/tr><tr>';for (var i = 13; i < 26; i++) txt += '<td>'+String.fromCharCode(65+i)+'<\/td>';txt += '<\/tr><tr>';for (var i = 13; i < 26; i++) txt += '<td class="dc">'+decode.charAt(i)+'<\/td>';txt += '<\/tr><tr>';for (var i = 13; i < 26; i++) txt += '<td>'+count(String.fromCharCode(65+i),codestr)+'<\/td>';txt += '<\/tr><\/table>';return txt;}function undo() {for (var i = cyl.length - 1; i >= 0; i--)cyl[i].style.backgroundColor = '#fff';}function set(f,t) {if (f != '') {undo();from = f;document.getElementById('from'+f).style.backgroundColor = '#ccc';} if (t != '') {undo();to = t;document.getElementById('to'+t).style.backgroundColor = '#ccc';}if (from != '' && to != '' && from != to) {var r = ''; for (var i = 0; i < 26; i++) {var b = decode.charAt(i); if (i == from.charCodeAt(0)-65) r += to; else if (to == b) r += undf; else r += b;} top.location = page + '?c='+codenum+'&w='+r;}}function letterConv() {var txt = '<div id="lca"><span class="cy" onclick="decode = rs;top.location = page + \'?c=\'+codenum"><restart><\/span><br \/><h3>Click The Encrypted Letter Here:</h3>'; for(var i = 0; i < 26; i++) {myVar = String.fromCharCode(65+i);txt += '<span id="from'+myVar+'" class="cy" onclick="set(\''+myVar+'\',\'\');return false">'+myVar+'<\/span> ';} txt += '<br \/><h3>Click The Letter to change it to here:</h3>';for(var i = 0; i < 26; i++) {myVar = String.fromCharCode(65+i);txt += '<span id="to'+myVar+'" class="cy" onclick="set(\'\',\''+myVar+'\');return false">'+myVar+'<\/span> ';} txt += '<span id="toblk" class="cy" onclick="set(\'\',\''+undf+'\');return false">'+undf+'<\/span><\/div>'; return txt;}function start() {document.getElementById('crypto').innerHTML = displayCode(codestr,decode) + letterConv() + freq(codestr);cyl = document.getElementsByClassName('cy');}

var pageLoaded = 0;
window.onload = function() {pageLoaded = 1;}
function loaded(i,f) {
if (document.getElementById &&
document.getElementById(i) != null) f();
else if (!pageLoaded) setTimeout('loaded(\''+i+'\','+f+')',100);
}
loaded('crypto',start);