// Accepts a url and a callback function to run.
function requestCrossDomain( site, callback ) {
	
	// If no url was passed, exit.
	if ( !site ) {
		alert('No site was passed.');
		return false;
	}
	
	// Take the provided url, and add it to a YQL query. Make sure you encode it!
	var yql = 'http://query.yahooapis.com/v1/public/yql?q=' + encodeURIComponent('select * from html where url="' + site + '"') + '&format=xml&callback=?';
	
	// Request that YSQL string, and run a callback function.
	// Pass a defined function to prevent cache-busting.
	$.getJSON( yql, cbFunc );
	
	function cbFunc(data) {
	// If we have something to work with...
	if ( data.results[0] ) {
		// Strip out all script tags, for security reasons.
		// BE VERY CAREFUL. This helps, but we should do more. 
		data = data.results[0].replace(/<script[^>]*>[\s\S]*?<\/script>/gi, '');
		
		// If the user passed a callback, and it
		// is a function, call it, and send through the data var.
		if ( typeof callback === 'function') {
			callback(data);
		}
	}
	// Else, Maybe we requested a site that doesn't exist, and nothing returned.
	else throw new Error('Nothing returned from getJSON.');
	}
}