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/*
	@author: niknah
	@url: http://www.livemocha.com/
	@update: http://userscripts.org/
	@title: Download livemocha audio
	@description: Adds a download link for livemocha audios.  Useful if a helpful person has reviewed your work and you want to play it back to yourself later for practice.
	@version: 0.1
*/


jetpack.tabs.onReady(function(doc){
	if(doc.location.href.indexOf('livemocha.com')<0) { return; }
        $("embed[src*='SimplePlayback.swf']",doc).each(function(i) {
		console.log('Found Audio: '+this.src);
		if(this.prevSibling && this.prevSibling.className=='AudioLink') {
			return;
		}
		var f=this.getAttribute('flashvars');
		var flashRe=/audioUrl=([^&]+)&/i;
		var m=flashRe.exec(f);
		if(!m) { return; }
		var url=m[1];

		this.style.border='3px solid #f00';
		var a=doc.createElement('a');
		a.className='AudioLink';
		a.href=url;
		a.innerHTML="Download audio";
		
		this.parentNode.insertBefore(a,this);
	});
});