Display youtube video with embed shortcode

function youtube($atts) {
extract(shortcode_atts(array(
"value" => 'http://',
"width" => '475',
"height" => '350',
"name"=> 'movie',
"allowFullScreen" => 'true',
"allowScriptAccess"=>'always',
"controls"=> '1',
), $atts));
return '<object style="height: '.$height.'px; width: '.$width.'px;"><param name="'.$name.'" value="'.$value.'" /><param name="allowFullScreen" value="'.$allowFullScreen.'" /><param name="allowScriptAccess" value="'.$allowScriptAccess.'" /><embed type="application/x-shockwave-flash" width="'.$width.'" height="'.$height.'" src="'.$value.'" allowfullscreen="'.$allowFullScreen.'" allowscriptaccess="'.$allowScriptAccess.'"></embed></object>';
}
add_shortcode("youtube", "youtube");

[youtube value="1aBSPn2P9bg"]