var win=null;
function NewWindow(mypage,myname,w,h,scroll,center){
	
	LeftPosition=(screen.width)?(screen.width-w)/2:100;TopPosition=(screen.height)?(screen.height-h)/2:100;	
	settings='width='+w+',height='+h+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',location=no,directories=no,status=no,menubar=no,toolbar=no,resizable=no';
  if (!win || win.closed)
  {
    win=window.open(mypage,myname,settings);
  }
  else
  {
    win.focus();
    win.location.href=mypage
  }
}

function NewWindowReg(mypage,myname)
{
	settings='width=788,scrollbars=yes,location=yes,directories=no,status=no,menubar=yes,toolbar=yes,resizable=yes';
  if (!win || win.closed)
  {
    win=window.open(mypage,myname,settings);
  }
  else
  {
    win.focus();
    win.location.href=mypage
  }
}