/*
	Widescreen YouTube Embeds by Matthew Buchanan & Hayden Hunter
	http://matthewbuchanan.name/451892574
	http://blog.haydenhunter.me

	Released under a Creative Commons attribution license:
	http://creativecommons.org/licenses/by/3.0/nz/
*/
function wideTube(){
	$("object").each(function () {
	    if ($(this).find("embed[src^='http://www.youtube.com']").length > 0) {
	    	// Identify and hide embed(s)
	    	var parent = $(this).parent();
	    	parent.css("visibility","hidden");
	    	var youtubeCode = parent.html();
	    	var params = "";
	    	if (youtubeCode.toLowerCase().indexOf("<param") == -1) {
	    		// IE doesn't return params with html(), soƒ
	    		$("param", this).each(function () {
	    			params += $(this).get(0).outerHTML;
	    		});
	    	}
	    	// Set colours in control bar to match page background
	    	var oldOpts = /rel=0/g;
	    	var newOpts = "rel=0&amp;color1=0xFFFFFF&amp;color2=0xFFFFFF";
	    	youtubeCode = youtubeCode.replace(oldOpts, newOpts);
	    	if (params != "") {
	    		params = params.replace(oldOpts, newOpts);
	    		youtubeCode = youtubeCode.replace(/<embed/i, params + "<embed");
	    	}
	    	// Extract YouTube ID and calculate ideal height
	    	var youtubeIDParam = $(this).find("embed").attr("src");
	    	var youtubeIDPattern = /\/v\/([0-9A-Za-z-_]*)/;
	    	var youtubeID = youtubeIDParam.match(youtubeIDPattern);
	    	var youtubeHeight = Math.floor(parent.find("object").width() * 0.75 + 25);
	    	var youtubeHeightWide = Math.floor(parent.find("object").width() * 0.5625 + 25);
	    	// Test for widescreen aspect ratio
	    	$.getJSON("http://gdata.youtube.com/feeds/api/videos/" + youtubeID[1] + "?v=2&alt=json-in-script&callback=?", function (data) {
	    		oldOpts = /height="?([0-9]*)"?/g;
	    		if (data.entry.media$group.yt$aspectRatio != null) {
	    			newOpts = 'height="' + youtubeHeightWide + '"';
	    		} else {
	    			newOpts = 'height="' + youtubeHeight + '"';
	    		}
	    		youtubeCode = youtubeCode.replace(oldOpts, newOpts);
	    		if (params != "") {
	    			params = params.replace(oldOpts, newOpts);
	    			youtubeCode = youtubeCode.replace(/<embed/i, params + "<embed");
	    		}
	    		// Replace YouTube embed with new code
	    		parent.html(youtubeCode).css("visibility","visible");
	    		wideTubed = true;
	    	});
	    }
	});
}