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$('iframe[src*="youtube.com"]').each(function() {
	var url = $(this).attr("src");
	var char = "?";
	if(url.indexOf("?") != -1)
		char = "&";
		
	$(this).attr("src",url+char+"modestbranding=1&wmode=transparent&showinfo=0&rel=0&autohide=1");
});