function picPopup(fn,w,h){
  var win;
  if(document.all){ //ie
    w += 38;
    h += 48;
	  if((window.screen)&&(w>screen.width-10))  w = screen.width-10;
	  if((window.screen)&&(h>screen.height-10)) h = screen.height-10;
    win = window.open(fn, "pic", "title=no,scrollbars=yes,resizable=yes,top=0,left=0,width=" + w + ",height=" + h);
  }
  else{ //nav
    w += 16;
    h += 32;
	  if((window.screen)&&(w>screen.width-10))  w = screen.width-10;
	  if((window.screen)&&(h>screen.height-10)) h = screen.height-10;
    win = window.open(fn, "pic", "scrollbars=yes,resizable=yes,screenY=0,sceenX=0,width=" + w + ",height=" + h);
  }
  win.resizeTo(w+10,h+15);
  win.focus();
}