var win, x, y, ispeed, idelay;
var pWidth, pHeight;

function createPopUp()
{
  pWidth = document.body.clientWidth;
  pHeight = document.body.clientHeight;

  x = 0;
  y = pWidth/2;

  win = window.open("autoshow.html","banner.gif","height=350,width=500");

  setInterval("if(!win.closed) win.focus();", 100);

  moveIn();
}

function moveIn()
{
  x = x + 2;

  if(x < pWidth/2)
  {
     win.moveTo(x,y);
     ispeed = setTimeout("moveIn()", 24);
  }
  else
  {
     clearTimeout(ispeed);
     startDelay();
  }
}

function startDelay()
{
  idelay = setTimeout("endDelay()", 5000);
}

function endDelay()
{
  clearTimeout(idelay);
  moveOut();  
}

function moveOut()
{
  x = x + 2;

  if(x < pWidth - 100)
  {
     win.moveTo(x,y);
     ispeed = setTimeout("moveOut()", 24);
  }
  else
  {
     clearTimeout(ispeed);
     win.close();
  }
}