var xPos_ac = 0;
var yPos_ac = 0;
var step_ac = 1;
var delay_ac = 30;
var height_ac = 0;
var offset_ac = 0;
var yon_ac = 0;

//yam browser detect
var browser = new Object();
browser.version = parseFloat(navigator.appVersion);
browser.isNetscape = false;
browser.isIE = false;
if (navigator.appName.indexOf("Netscape") != -1)
  browser.isNetscape = true;
else if (navigator.appName.indexOf("Microsoft") != -1)
  browser.isIE = true;

function changePos_ac()
{
	xPos_ac = (document.body.clientWidth - 700) / 2 + 790;

  if (yon_ac == 0) {
    yPos_ac = yPos_ac - step_ac;
  }
  else {
    yPos_ac = yPos_ac + step_ac;
  }

  if (browser.isIE) {
    height_ac = document.body.clientHeight;
    offset_ac = moving.offsetHeight;
  }
  else {
    height_ac = window.innerHeight;
    offset_ac = document.moving.clip.height;
  }

  if (yPos_ac < 0) {
    yon_ac = 1;
    yPos_ac = 0;
  }

  if (yPos_ac >= (height_ac - offset_ac)) {
    yon_ac = 0;
    yPos_ac = (height_ac - offset_ac);
  }

  if (browser.isIE) {
    moving.style.left = xPos_ac;
    moving.style.top = yPos_ac + document.body.scrollTop;
  }
  else {
    document.moving.pageX = xPos_ac;
    document.moving.pageY = yPos_ac + window.pageYOffset;
  }
}

function loopfunc_ac()
{
  changePos_ac();
  var movobj_ac = setTimeout("loopfunc_ac()", delay_ac);
}

function myload_movepip_ac(w)
{
  var maxw = screen.availWidth;
 // xPos_ac = maxw - w - 22;
	

  if (browser.version >= 4.0) {
    if (browser.isIE && maxw == 1024 ) {
      moving.style.top = yPos_ac;
    }
    else if (browser.isIE && maxw == 800 ) {
      moving.style.top = yPos_ac;
    }
    else if (browser.isNetscape) {
      moving.pageY = window.innerHeight;
      document.layer('moving').style.display = 'none';
    }
  }
  else {
    moving.pageY = window.innerHeight;
    document.layer('moving').style.display = 'none';
  }

  if (!browser.isIE) {
    document.moving.visibility = "visible";
  }

  loopfunc_ac();
}