Flash switcharoony, simple

HTML

<button>Swap Flash source</button>
<br>
<object width="420" height="315"><param name="movie" value="http://www.youtube.com/v/uY3LAFJbKyY?version=3&amp;hl=en_US&amp;rel=0"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed id="flashFoo" src="http://www.youtube.com/v/uY3LAFJbKyY?version=3&amp;hl=en_US&amp;rel=0" type="application/x-shockwave-flash" width="420" height="315" allowscriptaccess="always" allowfullscreen="true"></embed></object>

JavaScript

$("button").click ( function () {
    var flshVid = $("#flashFoo");

    if (/youtube/.test (flshVid.attr ("src") ) ) {
        flshVid.attr ("src", 'http://www.utexas.edu/learn/flash/graphics/simplebutton.swf');
    }
    else {
        flshVid.attr ("src", 'http://www.youtube.com/v/uY3LAFJbKyY?version=3&amp;hl=en_US&amp;rel=0');
    }
} );