// JavaScript Document
function $(id) { return document.getElementById(id); }
function moveElement(elementID,final_x,final_y,interval) {
if (!document.getElementById) return false;
if (!document.getElementById(elementID)) return false;
var elem = document.getElementById(elementID);
if (elem.movement) {
clearTimeout(elem.movement);
}
if (!elem.style.left) {
elem.style.left = "0px";
}
if (!elem.style.top) {
elem.style.top = "0px";
}
var xpos = parseInt(elem.style.left);
var ypos = parseInt(elem.style.top);
if (xpos == final_x && ypos == final_y) {
return true;
}
if (xpos < final_x) {
var dist = Math.ceil((final_x - xpos)/10);
xpos = xpos + dist;
}
if (xpos > final_x) {
var dist = Math.ceil((xpos - final_x)/10);
xpos = xpos - dist;
}
if (ypos < final_y) {
var dist = Math.ceil((final_y - ypos)/10);
ypos = ypos + dist;
}
if (ypos > final_y) {
var dist = Math.ceil((ypos - final_y)/10);
ypos = ypos - dist;
}
elem.style.left = xpos + "px";
elem.style.top = ypos + "px";
var repeat = "moveElement('"+elementID+"',"+final_x+","+final_y+","+interval+")";
elem.movement = setTimeout(repeat,interval);
}
function classNormal(){
var focusBtnList = $('focus_change_btn').getElementsByTagName('li');
for(var i=0; i<focusBtnList.length; i++) {
focusBtnList[i].className='';
}
}
function focusChange() {
var focusBtnList = $('focus_change_btn').getElementsByTagName('li');
focusBtnList[0].onclick = function() {
moveElement('focus_change_list',0,0,5);
classNormal()
focusBtnList[0].className='current'
}
focusBtnList[1].onclick = function() {
moveElement('focus_change_list',-637,0,5);
classNormal()
focusBtnList[1].className='current'
}
focusBtnList[2].onclick = function() {
moveElement('focus_change_list',-1274,0,5);
classNormal()
focusBtnList[2].className='current'
}
focusBtnList[3].onclick = function() {
moveElement('focus_change_list',-1911,0,5);
classNormal()
focusBtnList[3].className='current'
}
focusBtnList[4].onclick = function() {
moveElement('focus_change_list',-2548,0,5);
classNormal()
focusBtnList[4].className='current'
}
}
setInterval('autoFocusChange()', 5000);
var atuokey = false;
function autoFocusChange() {
$('focus_change').onclick = function(){atuokey = true}
$('focus_change').onmouseout = function(){atuokey = false}
if(atuokey) return;
var focusBtnList = $('focus_change_btn').getElementsByTagName('li');
for(var i=0; i<focusBtnList.length; i++) {
if (focusBtnList[i].className == 'current') {
    var currentNum = i;
    }
}
if (currentNum==0 ){
moveElement('focus_change_list',-637,0,5);
classNormal()
focusBtnList[1].className='current'
}
if (currentNum==1 ){
moveElement('focus_change_list',-1274,0,5);
classNormal()
focusBtnList[2].className='current'
}
if (currentNum==2 ){
moveElement('focus_change_list',-1911,0,5);
classNormal()
focusBtnList[3].className='current'
}
if (currentNum==3 ){
moveElement('focus_change_list',-2548,0,5);
classNormal()
focusBtnList[4].className='current'
}
if (currentNum==4 ){
moveElement('focus_change_list',0,0,5);
classNormal()
focusBtnList[0].className='current'
}
}
window.onload=function(){
focusChange();
}

function pic_show() {
    document.write("<div id=\"focus_change\"><div id=\"focus_change_list\"><ul><li><a href=\"/tibet-picture/\"><img src=\"images/4.jpg\" /></a></li><li><a href=\"/tibet-picture/\"><img src=\"images/1.jpg\" /></a></li><li><a href=\"/tibet-picture/\"><img src=\"images/2.jpg\" /></a></li><li><a href=\"/tibet-picture/\"><img src=\"images/3.jpg\" /></a></li><li><a href=\"/tibet-picture/\"><img src=\"images/5.jpg\" /></a></li></ul></div><div class=\"focus_change_opacity\"></div><div id=\"focus_change_btn\"><ul><li class=\"current\"><img src=\"images/04.jpg\" /></li><li><img src=\"images/01.jpg\" /></li><li><img src=\"images/02.jpg\" /></li><li><img src=\"images/03.jpg\" /></li><li><img src=\"images/05.jpg\" /></li></ul></div></div>");
}