function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}


function show_box(box,trigger){
//	window.alert("box: "+box+", trigger: "+trigger);
	var the_trigger = document.getElementById(trigger);
	var trig_left = trig_top = 0;
	var trig_width = parseInt(the_trigger.offsetWidth);
	
	while(the_trigger != null){
		trig_left += the_trigger.offsetLeft;
		trig_top += the_trigger.offsetTop;
		the_trigger = the_trigger.offsetParent;
	}
	var box_x_offset = 0;
	var box_y_offset = 50;
	var the_box = document.getElementById(box);
	
	the_box.style.display = "block";
	var box_width = parseInt(the_box.offsetWidth);
	
	if(box == "tell_a_friend_box"){
		box_x_offset = box_width - trig_width;
	}
	var new_x = trig_left - box_x_offset;
	var new_y = trig_top + box_y_offset;
		
	the_box.style.top = new_y + "px";
	the_box.style.left = new_x + "px";
}

function hide_box(box){
	var the_box = document.getElementById(box);
	the_box.style.display = "none";
}

function sendRequest(url,callback,postData) {
	var req = createXMLHTTPObject();
	if (!req) return;
	var method = (postData) ? "POST" : "GET";
	req.open(method,url,true);
	req.setRequestHeader('User-Agent','XMLHTTP/1.0');
	if (postData)
		req.setRequestHeader('Content-type','application/x-www-form-urlencoded');
	req.onreadystatechange = function () {
		if (req.readyState != 4) return;
		if (req.status != 200 && req.status != 304) {
//			alert('HTTP error ' + req.status);
			return;
		}
		callback(req);
	}
	if (req.readyState == 4) return;
	req.send(postData);
}

var XMLHttpFactories = [
	function () {return new XMLHttpRequest()},
	function () {return new ActiveXObject("Msxml2.XMLHTTP")},
	function () {return new ActiveXObject("Msxml3.XMLHTTP")},
	function () {return new ActiveXObject("Microsoft.XMLHTTP")}
];

function createXMLHTTPObject() {
	var xmlhttp = false;
	for (var i=0;i<XMLHttpFactories.length;i++) {
		try {
			xmlhttp = XMLHttpFactories[i]();
		}
		catch (e) {
			continue;
		}
		break;
	}
	return xmlhttp;
}
function handleRequest(req) {
	var writeroot = document.getElementById("friend_content");
	writeroot.innerHTML = req.responseText;
}

function sendFriend(){
	the_form = document.getElementById("friend_form");
	var s_name = the_form.elements["s_name"].value;
	var s_email = the_form.elements["s_email"].value;
	var f_name = the_form.elements["f_name"].value;
	var f_email = the_form.elements["f_email"].value;
	var msg = the_form.elements["msg"].value;
	var rqst_link = "send_friend.php";
	var postData = "s_name="+s_name+"&s_email="+s_email+"&f_name="+f_name+"&f_email="+f_email+"&msg="+msg;
	sendRequest(rqst_link,handleFriend,postData);
	
}