// Some Flash-movies do not work with relative argument paths.
// cpath is a variable that is defined in each HTML-file that calls this JavaScript-file
var r = document.location.pathname
var coursepath = "";
if (typeof(cpath) == "undefined") {
alert( "This course page does not have a required variable definition.\nPlease, contact course administration to correct the situation." );
}
else
{
coursepath = r.substring(0,r.lastIndexOf("/")+1) + cpath;
}
// Cookie will be valid for this many days
var expire_days = 30;
// forms the cookie date format correctly
// argument: offset to future in milliseconds
function cookieDate(timeoffset) {
var today = new Date();
var newdate = new Date();
newdate.setTime(today.getTime() + timeoffset);
var wdy = newdate.toGMTString().substr(0,3);
var dd = newdate.getDate();
if (dd < 10)
dd = '0' + dd.toString();
var mm = newdate.toGMTString().substr(8,3);
var yy = newdate.getFullYear().toString();
var cookiedate = wdy + ', '+dd+'-'+mm+'-'+yy+' 00:00:00 GMT';
return cookiedate;
}
// The learning path Flash calls this when user clicks an item.
// This updates the cookie and changes to the given location.
// arguments: idx - position of the clicked link
// url - the URL to go to
function openUrl(idx, url) {
var aVisited=used_paths.split("|");
aVisited[idx] = 1;
used_paths=aVisited.join('|');
document.cookie = 'used_paths=' + used_paths + ';EXPIRES=' + cookieDate(expire_days*24*60*60*1000) + ';PATH=/';
// change location
document.location=url;
}
// When the user creates/updates the learning path, that Flash calls this function.
// This forms the cookies and resets the "visited" indicator
function buildCookie(paths) {
var expire = cookieDate(expire_days*24*60*60*1000);
document.cookie = 'learning_paths=' + paths + '; expires=' + expire + '; path=/';
// reset visited links parameter
document.cookie = 'used_paths=0|0|0|0|0|0|0|0|0|0; expires=' + expire + '; path=/';
// for some unknown reason we cannot use history to go back where we were...
// so go to opening page
document.location="introduction.html";
}
// read the cookie and parse it for Flash-parameters
var tmp=document.cookie;
// get path and used -parameters from cookie
var re_learn = /learning_paths=([^\;]*)/g; //regular expression
var learn = tmp.match(re_learn);
var re_used = /used_paths=([^\;]*)/g; //regular expression
var used = tmp.match(re_used);
var path_exists = false;
var learn_paths="";
if (learn != null)
{
path_exists = true;
learn_paths = learn[0].substr(15,learn[0].length-1); // extract the data
}
var used_paths="";
if (used != null)
used_paths = used[0].substr(11,used[0].length-1); // extract the data
// This functions writes the Flash-object code and inserts required parameters
// argument: rootpath - the path to "course root"
function writeLearnFlash() {
if (path_exists == true)
{
// Here we calculate the y-size for the LP-flash
var base_y = 200; // LP's solid parts
var elem_y = 10; // one link element requires this much y
var cy = learn_paths.split("|").length * elem_y; // n:o of elements * space for one
var y = base_y + cy; // total height
// tämänhetkinen kiinteä y:n arvo, poista tämä rivi kun dynaaminen otetaan käyttöön
y = 270;
document.write('');
}
else
{
document.write(' ');
}
}
// This functions writes the Flash-object code and inserts required parameters
// arguments: flashfile - the name of the Flash-template
// xmldocument - the name of the XML-document to be given as argument
// w - width
// h - height
function writeTemplateFlash(flashfile, xmldocument, w, h) {
document.write('');
}
