function trim(s) 
{ 
	while (s.substring(0,1) == ' ') { s = s.substring(1,s.length); } 
	while (s.substring(s.length-1,s.length) == ' ') { s = s.substring(0,s.length-1); } 
	return s; 
} 

function OpenPicture(url,x,y) {
  ws=screen.width;
  hs=screen.height;
  window.open(url, "picture", "top="+(hs/2-y/2)+",left="+(ws/2-x/2)+",toolbar=no,scrollbars=no,resizable=no,width="+x+",height="+y);
}