function PopupWin(url, params) {
    win = window.open(url, '', params?params:'');    
    return (typeof(win)=='object')?false:true;
}

function PopupImg(id) {    
    win = window.open("/showimg.php?img="+id,"souimg", "width=500,height=350,left=0,top=0,screenX=0,screenY=0,location=no,menubar=no,resizable=no,scrollbars=no,status=no,titlebar=no,toolbar=no,directories=no");
    return (typeof(win)=='object')?false:true;
}