前后左右出现的窗口

<script language="javascript">
 <!--
  function WinScroll(direction,xWidth,xHeight){
   if ((navigator.appVersion.indexOf("4")!= -1)){
   self.resizeTo(xWidth,xHeight)
   if (direction == 1){ //Up
    self.moveTo((screen.availWidth-xWidth)/2,screen.availHeight-10)
    for (var c=1; c<=(screen.availHeight-(-xHeight))/2; c++)
     self.moveTo((screen.availWidth-xWidth)/2,screen.availHeight-c)
    }



   if (direction == 2){  //Down
    var x=screen.availHeight+screen.Height
    self.moveTo((screen.availWidth-xWidth)/2,(screen.availHeight-x))
    for (var c=0; c<=(screen.availHeight-(-xHeight/2)); c++)
     self.moveTo((screen.availWidth-xWidth)/2,(screen.availHeight-x)+c)
    }



   if (direction == 3){  //left
    var x=screen.availWidth-10
    self.moveTo(x,(screen.availHeight-xHeight)/2)
    for (var c=1; c<=(x-(-xWidth))/2; c++)
     self.moveTo((x-c),(screen.availHeight-xHeight)/2)
    }
 
   if (direction == 4){ //Right
    var x=screen.availWidth+(xWidth-10)
    self.moveTo((screen.availWidth-x),(screen.availHeight-xHeight)/2)
    for (var c=1; c<=(screen.availWidth-(-xWidth))/2; c++)
     self.moveTo(((screen.availWidth-x)+c),(screen.availHeight-xHeight)/2)
    }
  }
 } 



 for (c=1; c<=4; c++) WinScroll(c,400,400)
 //-->
</script>

……