<SCRIPT LANGUAGE="JavaScript">
var StickerAnimation = function(){};
StickerAnimation.prototype = {
duration : null,
obj : null,
from : null,
to : null,
timer : 0,
step : 0,
start : function(obj, from, to, duration, type){
var self = this;
this.obj = obj;
this.from = from;
this.to = to;
this.now = new Date;
this.duration = duration || 1000;
this._delta = this['_delta' +(type || 'Elastic')];
if(this.timer)
this.stop();
this.timer = setInterval(function(){self.run();}, 10);
},
run : function(){
var time = ((new Date) - this.now) / this.duration;
var delta = this._delta(time);
var step = Math.pow(2, this.step);
var dep_x = (this.to.x - this.from.x) * delta;
var dep_y = (this.to.y - this.from.y) * delta;
if(time > 1){
this.stop();
this.end();
}else{
this.obj.style.marginLeft = this.from.x + dep_x + "px";
this.obj.style.marginTop = this.from.y + dep_y + "px";
}
},
end : function(){
this.obj.style.marginLeft = (this.to.x) + "px";
this.obj.style.marginTop = (this.to.y) + "px";
},
stop : function(){
clearInterval(this.timer);
this.timer = 0;
},
_deltaBounce : function(pos){
var p = 1 - pos;
var value;
for (var a = 0, b = 1; 1; a += b, b /= 2){
if (p >= (7 - 4 * a) / 11){
value = - Math.pow((11 - 6 * a - 11 * p) / 4, 2) + b * b;
break;
}
}
return 1 - value;
},
_deltaExpo : function(pos){
var p = 1 - pos;
return 1 - Math.pow(2, 8 * (p - 1));
},
_deltaElastic : function(pos){
var p = 1 - pos;
return 1 - Math.pow(2, 10 * --p) * Math.cos(20 * p * Math.PI * 1 / 3);
},
_deltaStatic : function(pos){
return 1;
}
}
var StickerManager = {
init : false,
stickers : [],
opts : [],
add : function(id, duration, type){
if(!this.init){
var self = this;
var init_event = function(){self.oninit();};
var scroll_event = function(){self.onscroll();};
if(window.attachEvent){
window.attachEvent('onload', init_event);
window.attachEvent('onscroll', scroll_event);
}else{
window.addEventListener('load', init_event, false);
document.addEventListener('scroll', scroll_event, false);
}
this.init = true;
}
this.stickers.push(id);
this.opts.push({duration:duration,type:type});
},
oninit : function(){
var sticker;
for(var x = 0, len = this.stickers.length; x < len; x++){
sticker = document.getElementById(this.stickers[x]);
if(!sticker){
alert(this.stickers[x] + ' is bad id.');
this.stickers[x] = null;
continue;
}
this.stickers[x] = sticker;
sticker.style.marginLeft = sticker.style.marginTop = "0px";
}
},
onscroll : function(){
var left = parseInt(document.body.scrollLeft);
var top = parseInt(document.body.scrollTop);
var sticker;
for(var x = 0, len = this.stickers.length; x < len; x++){
sticker = this.stickers[x];
if(!sticker)
continue;
if(!sticker.animation){
sticker.animation = new StickerAnimation();
}else{
sticker.animation.stop();
}
sticker.animation.start(
sticker,
{x:parseInt(sticker.style.marginLeft), y:parseInt(sticker.style.marginTop)},
{x:left, y:top},
this.opts[x].duration,
this.opts[x].type
);
}
}
}
StickerManager.add("divMenu2",1000,"Bounce");
</script>
<div id="divMenu2" style="position:absolute; left:expression(((document.body.clientWidth-1280)+Math.abs(document.body.clientWidth-800))/4+980); top:120px;z-index:19; ">
우측광고내용
</div> |
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