var ie = document.all ? 1 : 0;
var ns = document.layers ? 1 : 0;
var mac = ((navigator.appVersion.indexOf("Mac") != -1)) ? 1 : 0;
var pc = ((navigator.appVersion.indexOf("Mac") == -1)) ? 1 : 0;

var frTop=0;
var scTimer;

function Scroll(fps)
  {
  if (ie)
    {
    var scHeight = document.all["imgContent"].offsetHeight;
    var frHeight = 330;
    }
  else
    {
    var scHeight = document.contentFrame.document.layers["imgContent"].document.height;
    var frHeight = 330;    
    }
  var scMin=0;
  var scMax=scHeight-frHeight;
  if (frTop<0) {frTop=0; fps=0;} 
  if (frTop>scMax) {frTop=scMax; fps=0;}
  frTop+=fps;
  if (fps!=0)
    {
    if (ie)
      {
      document.all["imgContent"].style.top = -frTop;
      }
    else
      {      
      document.layers["contentFrame"].document.layers["imgContent"].top = -frTop;
      }
    scTimer = setTimeout("Scroll("+fps+")", 10);
    }
  }

function stopScroll()
  {
  clearTimeout(scTimer);
  }

var frTopR=0;
var scTimerR;

function ScrollR(fps)
  {
  if (ie)
    {
    var scHeightR = document.all["RContent"].offsetHeight;
    var frHeightR = 330;
    }
  else
    {
    var scHeightR = document.RcontentFrame.document.layers["RContent"].document.height;
    var frHeightR = 330;    
    }
  var scMinR=0;
  var scMaxR=scHeightR-frHeightR;
  if (frTopR<0) {frTopR=0; fps=0;}
  if (frTopR>scMaxR) {frTopR=scMaxR; fps=0;}
  frTopR+=fps;
  if (fps!=0)
    {
    if (ie)
      {
      document.all["RContent"].style.top = -frTopR;
      }
    else
      {      
      document.layers["RcontentFrame"].document.layers["RContent"].top = -frTopR;
      }
    scTimerR = setTimeout("ScrollR("+fps+")", 10);
    }
  }

function stopScrollR()
  {
  clearTimeout(scTimerR);
  }

function showContent()
  {
  var arg = showContent.arguments;
  contentShow = arg[0];
  for (var i=0; i<(arg.length); i++)
    {
    if (ie)
      {
      if (document.all[arg[i]])
        {
        document.all[arg[i]].style.visibility = "visible";
        } 
      }
    else 
      {
      if (document.layers[arg[i]])
        {
        document.layers[arg[i]].visibility = "visible";
        }
      }
    }
  }

function hideContent()
  {
  var arg = hideContent.arguments;
  for (var i=0; i<(arg.length); i++)
    {
    if (ie)
      {
      if (document.all[arg[i]]) 
        document.all[arg[i]].style.visibility = "hidden";
      }
    else
      {
      if (document.layers[arg[i]])
        document.layers[arg[i]].visibility = "hidden";
      }
    }
  }

function openNewWin(theURL,winName,features) 
  {
  window.open(theURL,winName,features);
  }