// 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.');  
        }  
    }