function get_url_param(name)
{ 
    name = name.replace(/[\[]/,"\\\[").replace(/[\]]/,"\\\]"); 
    var regexS = "[\\?&]"+name+"=([^&#]*)"; 
    var regex = new RegExp( regexS ); 
    var results = regex.exec( window.location.href ); 
    if( results == null )    return ""; 
    else return results[1];
}

if(get_url_param('mode') == 'print')
{
    window.print();
    window.close();
}