<!--
var r = -1;

var mx = 499; // maximum
var a = new Array();

function AddNumsToDict(){
    var m,n,i,j;
    i = 0;
    j = 0;
    while (i <= 499)
    {
       m = (500 * Math.random()) + 1;
       n = Math.floor(m);
       
       for (j=0;j<=499;j++)
       {
         if (a[j] == (n-1))
         {
	   j = -1;
           break;
         }
       }
       if (j != -1)
       {
         a[i] = (n-1);
         i++;
	 j=0;
       }

    }
    return;
    
}

function startup()
{
  newText('SENTENCES<br><br><br>Robert Grenier');
  SetCookie("pg", -1);
  AddNumsToDict();

}

function SetCookie(sName, sValue)
{
  document.cookie = sName + "=" + escape(sValue) + ";"
  
}

function GetCookie(sName)
{
  // cookies are separated by semicolons
  var aCookie = document.cookie.split("; ");
  for (var i=0; i < aCookie.length; i++)
  {
    // a name/value pair (a crumb) is separated by an equal sign
    var aCrumb = aCookie[i].split("=");
    if (sName == aCrumb[0]) 
      return unescape(aCrumb[1]);
  }

  // a cookie with the requested name does not exist
  return null;
}
function doBack(){
//var oPrev = xbElem('prev');
//var oNxt = xbElem('nxt');

//if ((oNxt) && (oPrev))
//{
    var num = GetCookie("pg");
    if (num == mx){ //maximum
      SetCookie("pg",parseInt(num) - 1);
      num = GetCookie("pg");
    }
//    oNxt.disabled = false;
  
//    if (num <= 1){
//      oPrev.disabled = true;
//    }
    if (num >= 1){
      num--;
      newText(Caption[a[num]]);
      SetCookie("pg",num);
    }
//}
}

function doNext(){
//var oPrev = xbElem('prev');
//var oNxt = xbElem('nxt');
//  if ((oNxt) && (oPrev))
//  {
  var num = GetCookie("pg");
//  if (num > -1){
//    oPrev.disabled = false;
//  }
//  else{
//    oPrev.disabled = true;
//  }
//  if (num >= parseInt(mx)-1){  //maximum - 1
//    oNxt.disabled = true;
//  }
//  else {
//    oNxt.disabled = false;
//  }
  if (num <= parseInt(mx)-2){
    num++;
    newText(Caption[a[num]]);
    SetCookie("pg",num);
  }
//  }
}
function getObj(name)
{
  if (document.getElementById)
  {
	this.obj = document.getElementById(name);
	this.style = document.getElementById(name).style;
  }

  else if (document.all)
  {
	this.obj = document.all[name];
	this.style = document.all[name].style;
  }
}

function newText(text){
  x = new getObj('card');
  x.obj.innerHTML = '<td id=card valign=center>' + text + '</td>';
}
