幻灯片js特效_播放图片JS_js幻灯片是什么(2)

</style>

<script type="text/javascript">

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

function addLoadEvent(func){

var oldonload = window.onload;

if (typeof window.onload != 'function') {

window.onload = func;

} else {

window.onload = function(){

oldonload();

func();

}

}

}

function addBtn() {

if(!$('ibanner')||!$('ibanner_pic')) return;

var picList = $('ibanner_pic').getElementsByTagName('a');

if(picList.length==0) return;

var btnBox = document.createElement('div');

btnBox.setAttribute('id','ibanner_btn');

var SpanBox ='';

for(var i=1; i<=picList.length; i++ ) {

var spanList = '<span>'+i+'</span>';

SpanBox += spanList;

}

btnBox.innerHTML = SpanBox;

$('ibanner').appendChild(btnBox);

$('ibanner_btn').getElementsByTagName('span')[0].className = 'current';

for (var m=0; m<picList.length; m++){

var attributeValue = 'picLi_'+m

picList[m].setAttribute('id',attributeValue);

}

}

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) {

moveing = false;

return true;

}

if (xpos < final_x) {

var dist = Math.ceil((final_x - xpos)/10);

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