function openWindow(pageUrl, myname, w, h, s, r) {

   var winl = (screen.width - w) / 2;
   var wint = (screen.height - h) / 2;
   winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars='+s+', resizable='+r+''
   win = window.open(pageUrl, myname, winprops)
   
   if (parseInt(navigator.appVersion) >= 4){
   		win.window.focus();
		}
}
function resizeWindow(w,h) {
win.window.resizeTo(w,h);
}