var polls = new sack(site_url + '/index.php');

function sendtofriend_loading_begin() {
	document.getElementById('sendtofriend-loading').style.display = 'block';
}

function sendtofriend_loading_end() {
	document.getElementById('sendtofriend-loading').style.display = 'none';
}

function sendtofriend_do() {
	page_url = document.location.href;
	pos = page_url.indexOf('#');
	if (pos!=-1) {
		page_url = page_url.substr(0,pos+1);
	}
	
	polls.setVar("sendtofriend", true);
	polls.setVar("your_email", document.getElementById('sendtofriend-your-email').value);
	polls.setVar("your_name", document.getElementById('sendtofriend-your-name').value);
	polls.setVar("friend_email", document.getElementById('sendtofriend-friend-email').value);
	polls.setVar("url", page_url);
	polls.method = 'POST';
	polls.element = 'sendtofriend-container';
	polls.onLoading = sendtofriend_loading_begin;
	polls.onLoaded = sendtofriend_loading_end;
	polls.runAJAX();
}

function sendtofriend_toggle() {
		e = document.getElementById('sendtofriend-form');
		if (e.style.display == 'block') {
			e.style.display = 'none';
		} else {
			e.style.display = 'block';
		}
		return false;
}