JS模倣ポテトネットワークのフォーカス画像切り替え効果をthumbnail_javascriptスキルで実装する方法

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<スクリプトタイプ="text/javascript">
function $(id) { return document.getElementById(id); }
function moveElement(要素ID,final_x,final_y,interval) {
if (!document.getElementById) return false;
if (!document.getElementById(elementID)) return false;
var elem = document.getElementById(要素ID);
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) {
true を返します;
}
if (xpos 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 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";
varrepeat = "moveElement('" elementID "',"final_x ","final_y ","interval")";
elem.movement = setTimeout(repeat,interval);
}
関数 classNormal(){
var focusBtnList = $('focus_change_btn').getElementsByTagName('li');
for(var i=0; i focusBtnList[i].className='';
}
}
function focusChange() {
var focusBtnList = $('focus_change_btn').getElementsByTagName('li');
focusBtnList[0].onmouseover = function() {
moveElement('focus_change_list',0,0,5);
classNormal()
focusBtnList[0].className='current'
}
focusBtnList[1].onmouseover = function() {
moveElement('focus_change_list',-450,0,5);
classNormal()
focusBtnList[1].className='current'
}
focusBtnList[2].onmouseover = function() {
moveElement('focus_change_list',-900,0,5);
classNormal()
focusBtnList[2].className='current'
}
focusBtnList[3].onmouseover = function() {
moveElement('focus_change_list',-1350,0,5);
classNormal()
focusBtnList[3].className='current'
}
}
setInterval('autoFocusChange()', 5000);
var atuokey = false;
function autoFocusChange() {
$('focus_change').onmouseover = function(){atuokey = true}
$('focus_change').onmouseout = function(){atuokey = false}
if(atuokey) return;
var focusBtnList = $('focus_change_btn').getElementsByTagName('li');
for(var i=0; i if (focusBtnList[i].className == 'current') {
var currentNum = i;
}
}
if (currentNum==0 ){
moveElement('focus_change_list',-450,0,5);
classNormal()
focusBtnList[1].className='current'
}
if (currentNum==1 ){
moveElement('focus_change_list',-900,0,5);
classNormal()
focusBtnList[2].className='current'
}
if (currentNum==2 ){
moveElement('focus_change_list',-1350,0,5);
classNormal()
focusBtnList[3].className='current'
}
if (currentNum==3 ){
moveElement('focus_change_list',0,0,5);
classNormal()
focusBtnList[0].className='current'
}
}
window.onload=function(){
focusChange();
}