Uncle Jims Javascript Examples: Random Site Calculator

COPY - Insert Between Head Tags: <HEAD></HEAD>

<SCRIPT LANGUAGE="JavaScript">
<!--

// Page of the Day JavaScript
// Written and Copyright by Frank Bannon, 1997
// contact me at frankbannon@usa.net

// Things you must change for this to work on your site:
// numpages, urlbase, and array of pagedsc and pageurl.

var numpages = 12;  // Total number of links in array; max of 31

// Create the arrays to hold page descriptions and urls
pagedsc = new MakeArray(numpages);
pageurl = new MakeArray(numpages);

// Set the base url to insert before each page url; keeps urls short
// Change this to match your highest level web page
urlbase = "http://jdstiles.com/";

// Listing of page descriptions and urls
// Change these to match your best pages
pagedsc[1] = "Home Page";
pageurl[1] = "index.html";
pagedsc[2] = "JavaScript Examples";
pageurl[2] = "javamain.html";
pagedsc[3] = "On-Line Gaming";
pageurl[3] = "java/games.html";
pagedsc[4] = "Microsoft Office Tips";
pageurl[4] = "jds.main_office.html";
pagedsc[5] = "Design Sets and Themes";
pageurl[5] = "sets.html";
pagedsc[6] = "Site Index";
pageurl[6] = "sitetree.html";
pagedsc[7] = "Search my Site";
pageurl[7] = "java/search.html";
pagedsc[8] = "Search the Web";
pageurl[8] = "java/websearch.html";
pagedsc[9] = "Search for TV stations";
pageurl[9] = "java/tvsites.html";
pagedsc[10] = "Play Music";
pageurl[10] = "midiplayer.html";
pagedsc[11] = "Play Tetris";
pageurl[11] = "tetriscript.html";
pagedsc[12] = "Go to my Calendar";
pageurl[12] = "java/calendar.html";

// Initialize variables
var todaydsc = "";
var todayurl = "";
var today = new Date();
var currday = today.getDate();

function choosepage () {
currday = today.getDate();
while (currday > numpages) { currday = currday - numpages };
setinfo();
}

function setinfo () {
todaydsc = pagedsc[currday];
todayurl = urlbase+pageurl[currday];
document.form1.daynum.value  = currday;
document.form1.pagedsc.value = todaydsc;
//document.form1.pageurl.value = urlbase+todayurl;
//document.form1.go.value = todaydsc;
}

function nextpage () {
currday = currday + 1;
if (currday > numpages) { currday = 1 };
if (currday < 1) { currday = numpages };
setinfo();
}

function prevpage () {
currday = currday - 1;
if (currday > numpages) { currday = 1 };
if (currday < 1) { currday = numpages };
setinfo();
}

function randompage() {
while (((rand=Math.round(Math.random()*numpages)) < 1) || (rand==currday))
{ };
currday=rand;
setinfo();
}

function loadpage () {
window.location.href=todayurl;
}

function MakeArray(n) {
 this.length = n;
 for (var i=1; i<=n; i++) {
  this[i]=0 }
  return this
}
//-->
</SCRIPT>

COPY - Insert Inside Body: <BODY></BODY>

Random Site selector