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(20220115)library_inc_pic_flash_ppt.js
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(20220115)library_inc_pic_flash_ppt.js
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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].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()', 8000);
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<focusBtnList.length; 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'
}
}
function fImageAuto(nID,nMaxWidth,nMaxHeight)
{
//var objParentID =document.getElementByIdx_x_x(nID);
var objParentID =document.getElementById(nID);
var objImg =objParentID.getElementsByTagName("img");
var nImgNewRate =0;
var nImgOldRate =nMaxWidth/nMaxHeight;
for (i=0;i<objImg.length;i++) {
nImgNewRate =objImg[i].offsetWidth/objImg[i].offsetHeight;
if (nImgNewRate >=nImgOldRate) {
objImg[i].style.height =nMaxWidth/nImgNewRate +"px";
objImg[i].style.width =nMaxWidth +"px";
objImg[i].style.marginTop =Math.round((nMaxHeight-nMaxWidth/nImgNewRate)/2) +"px";
}else{
objImg[i].style.width =nMaxHeight*nImgNewRate +"px";
objImg[i].style.height =nMaxHeight +"px";
objImg[i].style.marginLeft =(nMaxWidth-nMaxHeight*nImgNewRate)/2 +"px";
}
}
}