// JSONRequest.js // // A helper object for creating JSON requests against thePlatform Portal Server // // Copyright (c) 2006 thePlatform for Media, Inc. // create a JSONRequest object function JSONRequest(URL, Callback, Context) { // get the head tag var head = document.getElementsByTagName("head"); if (!head) { alert("You need to define a element to use the JSONRequest object."); return false; } this.headTag = head.item(0); // check the URL if (URL == null || URL.length == 0) { alert("You need to provide the URL."); return false; } this.url = URL; // add callback and/or context if (Callback != null && Callback.length > 0) { this.url += "&callback=" + escape(Callback); } if (Context != null && Context.length > 0) { this.url += "&context=" + escape(Context); } // determine the ID for this script this.scriptID = "JSONRequest" + JSONRequest.index++; } // a counter for ID references JSONRequest.index = 1; // send the request JSONRequest.prototype.send = function () { // Create a script element var scriptObj = document.createElement("script"); // Set the attributes scriptObj.setAttribute("type", "text/javascript"); scriptObj.setAttribute("src", this.url); scriptObj.setAttribute("id", this.scriptID); // Add it to the ; this will immediately run it this.headTag.appendChild(scriptObj); }