if (!window["Event"]) {var Event = {};}
Event.observe = Event.observe || function (element, event, fun) {
	if (element.addEventListener) {
		element.addEventListener(event, fun, false);
	} else if (element.attachEvent) {
		element.attachEvent('on' + event, fun, false);
	}
}
function bindOrignalUrl() {
	for (var i=0, f; f=document.forms[i]; i++) {
		var hidden = document.createElement("input");
		hidden.type = "hidden";
		hidden.name = "orignal_url";
		hidden.value = window.location.href;
		f.appendChild(hidden);
	}
}

Event.observe(window, "load", bindOrignalUrl);