function popsizewin(turl,tleft,ttop,twidth,theight,tscrollbar,tresizable){    
  window.open(turl,"","left=" + tleft +",top="+ ttop + 
  ",width=" + twidth + ",height="+ theight +
  ",status=1,toolbar=0,menubar=0,location=0,scrollbars="+
  tscrollbar+",resizable="+tresizable,false); 
}
function popupDocWin(turl){
  var aw = window.screen.availWidth;
  var ah = window.screen.availHeight;
  popsizewin(turl,0,0,aw-10,ah-50,1,1);
}