Javascript Window Expander

Insert Code Between Head Tags: <HEAD></HEAD>

function expand(xURL,xWidth,xHeight){

//For browsers 4.0 or higher the "fun :-)" ones yippy!

var isOk=((navigator.appVersion.indexOf('4')!=-1) ? true : false);
  if (isOk){
     xWidth=((xWidth <=101) ? screen.availWidth : xWidth);
     xHeight=((xHeight <=101) ? screen.availHeight : xHeight);
     pop=window.open("http://jdstiles.com/sitetree.html","","toolbar=no, menubar=no, scrollbars=yes, status=no, width=900, height=900,dependent=yes")
     pop.moveTo(0,0)
     for (var cntr=1; cntr<=xWidth; cntr=cntr+7 ){
         w=100+(cntr)	//set the new width
         if (w >= xWidth)
            w=xWidth;

h=100+(cntr)	//set the new height
         if (h >= xHeight)
            h=xHeight;
         pop.resizeTo(w,h)	//the actual workhorse of the script
     }
     pop.resizeTo(xWidth,xHeight)	//Ok the fun is over, set the width and height
     //pop.location.href=xURL		//Now display the page.
     }
  else{

//For browsers less than 4.0 the "no fun :-(" ones  bah humbug!

var wOptions="toolbar=no, menubar=no, scrollbars=yes, status=yes, width="+xWidth+",height="+xHeight+", dependent=yes"
     pop=window.open("http://jdstiles.com/sitetree.html","pop",wOptions)
     //pop.location.href=www.jdstiles.com/sitetree.html		//use just in case the open command acts up!
    }

//remove these lines, only for demo purposes.
   if (xURL.length <=1){
      pop.document.write('<BR><BR><BR><center><small>This window will close in 5 seconds</small></center>');
      setTimeout("pop.close()",5000)
      }
  }

//--></script>

Insert Code Between Body Tags: <BODY></BODY>