function getCookie(name){
 var cname = name + "=";
 var dc = document.cookie;
 if (dc.length > 0) {
  begin = dc.indexOf(cname);
  if (begin != -1) {
   begin += cname.length;
   end = dc.indexOf(";", begin);
   if (end == -1) end = dc.length;
   return unescape(dc.substring(begin, end));
  }
 }
 return null;
}

function setArCook(value) {
 if (value.length>3999) alert('Your favorite arcade games list is full, Please remove a game before trying to add more');
 else {
  var path=location.pathname; 
  var domain=path.substring(0,path.lastIndexOf('/')) +'/';
  var expire=new Date (); 
  expire.setTime(expire.getTime() + (180 * 24 * 3600 * 1000));
  document.cookie="myArcade"+"="+escape(value)+";expires="+expire.toGMTString()+";path="+domain;
 }
}

var arCook=getCookie('myArcade');
if (arCook==null) {setArCook(' '); arCook=getCookie('myArcade');}

function countOccurrences(s,pt) {c=0; pos=s.indexOf(pt); while (pos!=-1) {c++; pos=s.indexOf(pt,pos+1);} return c;}
function isGameAdded(n) {if (arCook.indexOf(n)!=-1) return true; else return false;}
function addGame(gName,gWidth,gHeight,gUrl) { setArCook(arCook+'||'+gName+'\\1\\'+gWidth+'\\2\\'+gHeight+'\\3\\'+gUrl+'-|-');}
function goGame() {
  var tSwf=document.aF.aS.options[document.aF.aS.selectedIndex].value;
  document.aF.aS.selectedIndex=0;
  if (countOccurrences(tSwf,',') >=2) {
    var tWidth=tSwf.substring(0,tSwf.indexOf(','));
    tSwf=tSwf.substring(tSwf.indexOf(',')+1);
    var tHeight=tSwf.substring(0,tSwf.indexOf(','));
    tSwf=tSwf.substring(tSwf.indexOf(',')+1);
    //set flash
    document.getElementById('swf').setAttribute('width',tWidth);
    document.getElementById('swf').setAttribute('height',tHeight);
    document.getElementById('swf').setAttribute('src',tSwf);
    foo('elemenId');
    document.body.focus();
  }
}

function removeGame(gName) {
 var lfP=arCook;
 var riP=lfP.substring(0,lfP.indexOf(gName)-2);
 lfP=lfP.substring(lfP.indexOf(gName));
 if (lfP.indexOf('||')!=-1) lfP=lfP.substring(lfP.indexOf('||'));
 else lfP='';
 riP=riP+lfP;
 setArCook(riP);
}

function displayAddRemove(nam,wi,he,ur) {
  if (isGameAdded(nam)==false) document.write('<span class="addFav" onClick="addGame(\''+nam+'\',\''+wi+'\',\''+he+'\',\''+ur+'\');"><a href="javascript:location=document.URL;">Add to favorite games</a></span>');
  else document.write('<span class="addFav" onClick="removeGame(\''+nam+'\');"><a href="javascript:location=document.URL;">Remove from favorite games</a></span>');
}

function displayFavGames() {
  var tAr=arCook;
  nG=countOccurrences(tAr,'||');
  myG=new Array(nG);
  for (i=0; i<nG; i++) {
    myG[i]=new Array(4);
    myG[i][0]=tAr.substring(tAr.indexOf('||')+2, tAr.indexOf('\\1\\'));
    myG[i][1]=tAr.substring(tAr.indexOf('\\1\\')+3, tAr.indexOf('\\2\\'));
    myG[i][2]=tAr.substring(tAr.indexOf('\\2\\')+3, tAr.indexOf('\\3\\'));
    myG[i][3]=tAr.substring(tAr.indexOf('\\3\\')+3, tAr.indexOf('-|-'));
    tAr=tAr.substring(tAr.indexOf('|-')+2);
  }
  myG.sort();
  document.write('<form name="aF" method="POST"><select name="aS" class="forminput" onchange="goGame();">'+
  '<option selected value="">Favorite Games</option>');
  for (i=0; i<nG; i++) document.write('<option value="'+myG[i][1]+','+myG[i][2]+','+myG[i][3]+'">'+myG[i][0]+'</option>');
  document.write('</select></form>');
}