var http_request = false;
function makePOSTRequest(url, parameters) {
    http_request = false;
    if (window.XMLHttpRequest) { // Mozilla, Safari,...
        http_request = new XMLHttpRequest();
        if (http_request.overrideMimeType) {
            // set type accordingly to anticipated content type
            //http_request.overrideMimeType('text/xml');
            http_request.overrideMimeType('text/html');
        }
    } else if (window.ActiveXObject) { // IE
        try {
            http_request = new ActiveXObject("Msxml2.XMLHTTP");
        } catch (e) {
            try {
                http_request = new ActiveXObject("Microsoft.XMLHTTP");
            } catch (e) {}
        }
    }
    if (!http_request) {
        alert('Cannot create XMLHTTP instance');
        return false;
    }
      
    http_request.onreadystatechange = alertContents;
    http_request.open('POST', url, true);
    http_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
    http_request.setRequestHeader("Content-length", parameters.length);
    http_request.setRequestHeader("Connection", "close");
    http_request.send(parameters);
}

function alertContents() {
    
    if (http_request.readyState == 4) {
        if(typeCheckSend.check_form($('tellForm'), requiredfieldsSend)){
            if (http_request.status == 200) {
                //alert(http_request.responseText);

                result = http_request.responseText;
                $('tellFriend').addClass('complete');
                $('tellForm').reset();

            } else {
                alert('There was a problem with the request.');
            }
        }
    }
}
   
function get(obj) {
    var poststr = "from_name=" + encodeURI( obj.from_name.value ) +
    "&from_email=" + encodeURI( obj.from_email.value )+
    "&to_name=" + encodeURI( obj.to_name.value )+
    "&to_email=" + encodeURI( obj.to_email.value )+
    "&cameacross=" + encodeURI( obj.cameacross.value )+
    "&offering=" + encodeURI( obj.offering.value )+
    "&message=" + encodeURI( obj.message.value );
    
    if (location.hostname.match('blog')){
        makePOSTRequest('/send.php', poststr);
    } else {
        makePOSTRequest('/send/', poststr);
    }
}

window.addEvent('domready', function(){
    if($('tellFriend')){
        $('tellFriend').makeDraggable({
            handle: $('tellFriend').getElement('div[class=header]')
        });
        $('tellFriend').getElement('a[class=close]').onclick = function(){
            $('tellFriend').setStyle('display', 'none');
            return false;
        }
        $('openTell').onclick = function(){
            $('tellFriend').removeClass('complete');
            $('tellFriend').setStyles({
                'display':'block',
                'top':'-400px',
                'left':'20px'
            });
            return false;
        }
    }
    if($('tellForm')){
        $('tellForm').onsubmit = function(){
            get(document.getElementById('tellForm'));
            return false;
        }
    }

	$('nav_programs').addEvent('mouseenter', function(){
	    $('dropdown_programs').setStyle('display','block');
	});

	$('nav_programs').addEvent('mouseleave', function(){
	    $('dropdown_programs').setStyle('display','none');
	});

});