function openWin(url,nameW,widthW,heightW)
{
 	widthWin=widthW;heightWin=heightW;
    var top, left;
    if (screen){
        left = (screen.width<widthWin) ? 10 : (screen.width-widthWin)/2;
        top = (screen.height<heightWin) ? 10 : (screen.height-heightWin)/2;
    }else{
        top = 100;
        left = 100;
    }

	winObj=window.open(url, nameW,"width="+widthW+",height="+heightW+",top="+top+",left="+left+",directories=no,menubar=no,toolbar=no,location=nos,status=no,resizable=no,copyhistory=no,scrollbars=no");
  winObj.focus();
  //return false;
}