/*
Author: mg12
Update: 2008/11/21
Author URI: http://www.neoease.com/
*/
(function() {

function $(id) {
	return document.getElementById(id);
}

function goTop(acceleration, time) 
{
	acceleration = acceleration || 0.1;
	time = time || 16;

	var dx = 0;
	var dy = 0;
	var bx = 0;
	var by = 0;
	var wx = 0;
	var wy = 0;

	if (document.documentElement) {
		dx = document.documentElement.scrollLeft || 0;
		dy = document.documentElement.scrollTop || 0;
	}
	if (document.body) {
		bx = document.body.scrollLeft || 0;
		by = document.body.scrollTop || 0;
	}
	var wx = window.scrollX || 0;
	var wy = window.scrollY || 0;

	var x = Math.max(wx, Math.max(bx, dx));
	var y = Math.max(wy, Math.max(by, dy));

	var speed = 1 + acceleration;
	window.scrollTo(Math.floor(x / speed), Math.floor(y / speed));
	if(x > 0 || y > 0) {
		var invokeFunction = "MGJS.goTop(" + acceleration + ", " + time + ")"
		window.setTimeout(invokeFunction, time);
	}
}

window['MGJS'] = {};
window['MGJS']['$'] = $;
window['MGJS']['goTop'] = goTop;

})();



function getBounds(element)
{
	var left = element.offsetLeft;
  	var top = element.offsetTop;
  	for (var parent = element.offsetParent; parent; parent = parent.offsetParent) {
    	left += parent.offsetLeft;
    	top += parent.offsetTop;
  	}
  	return {left: left, top: top, width: element.offsetWidth, height: element.offsetHeight};
}

function ShowSendFriend(link)
{
	var coord = getBounds(link);
	var box = document.getElementById('send_friend_block');
	box.style.left = (coord.left - 70) + 'px';
	box.style.top = (coord.top - 33) + 'px';
	box.style.visibility = "visible";
	
	return false;
}

function HideSendFriend()
{
	var lf = document.getElementById('send_friend_block');
	lf.style.visibility = "hidden";
	
	return false;
}