var slider = function() 
{	function getElementsByClass(object, tag, className) {	var o = object.getElementsByTagName(tag);for ( var i = 0, n = o.length, ret = []; i < n; i++) {	if (o[i].className == className) ret.push(o[i]);}	if (ret.length == 1) ret = ret[0];	return ret;	}	function setOpacity (obj,o) {		if (obj.filters) obj.filters.alpha.opacity = Math.round(o);
else obj.style.opacity = o / 100;}	function Slider(oCont, speed, iW, iH, oP) {this.slides = [];	this.over   = false;	this.S      = this.S0 = speed;	this.iW     = iW;	this.iH     = iH;	this.oP     = oP;	this.oc     = document.getElementById(oCont);	this.frm    = getElementsByClass(this.oc, 'div', 'slide');	this.NF     = this.frm.length;		this.resize();		for (var i = 0; i < this.NF; i++) {
this.slides[i] = new Slide(this, i);}	this.oc.parent = this;	this.view      = this.slides[0];this.Z         = this.mx;	this.oc.onmouseout = function () {this.parent.mouseout();return false;}}Slider.prototype = {run : function () {this.Z += this.over ? (this.mn - this.Z) * .5 : (this.mx - this.Z) * .5;this.view.calc();	var i = this.NF;while (i--) this.slides[i].move();},	resize : function () {	this.wh = this.oc.clientWidth;
this.ht = this.oc.clientHeight;this.wr = this.wh * this.iW;this.r  = this.ht / this.wr;	this.mx = this.wh / this.NF;this.mn = (this.wh * (1 - this.iW)) / (this.NF - 1);},	mouseout : function () {	this.over      = false;	setOpacity(this.view.img, this.oP);}}
Slide = function (parent, N) {	this.parent = parent;	this.N = N;	this.x0 = this.x1 = N * parent.mx;	this.v= 0;this.loaded = false;	this.cpt    = 0;this.start  = new Date();this.obj    = parent.frm[N];this.txt    = getElementsByClass(this.obj, 'div', 'text');	this.img    = getElementsByClass(this.obj, 'img', 'diapo');this.bkg    = document.createElement('div');this.bkg.className = 'backgroundText';	this.obj.insertBefore(this.bkg, this.txt);
if (N == 0) this.obj.style.borderLeft = 'none';this.obj.style.left = Math.floor(this.x0) + 'px';setOpacity(this.img, parent.oP);	this.obj.parent = this;this.obj.onmouseover = function() {this.parent.over();return false;}}
Slide.prototype = {	calc : function() {var that = this.parent;for (var i = 0; i <= this.N; i++) {that.slides[i].x1 = i * that.Z;}for (var i = this.N + 1; i < that.NF; i++) {	that.slides[i].x1 = that.wh - (that.NF - i) * that.Z;}},move : function() {var that = this.parent;var s = (this.x1 - this.x0) / that.S;if (this.N && Math.abs(s) > .5) {	this.obj.style.left = Math.floor(this.x0 += s) + 'px';	}var v = (this.N < that.NF - 1) ? that.slides[this.N + 1].x0 - this.x0 : that.wh - this.x0;
if (Math.abs(v - this.v) > .5) {this.bkg.style.top = this.txt.style.top = Math.floor(2 + that.ht - (v - that.Z) * that.iH * that.r) + 'px';this.v = v;	this.cpt++;	} else {	if (!this.pro) {this.pro = true;	var tps = new Date() - this.start;	if(this.cpt > 1) {	that.S = Math.max(2, (28 / (tps / this.cpt)) * that.S0);}	}}
if (!this.loaded) {if (this.img.complete) {this.img.style.visibility = 'visible';this.loaded = true;}}},over : function () {	this.parent.resize();this.parent.over = true;	setOpacity(this.parent.view.img, this.parent.oP);	this.parent.view = this;this.start = new Date();	this.cpt = 0;this.pro = false;	this.calc();setOpacity(this.img, 100);	}
}
return {	init : function() {	// parameters : HTMLcontainer name, speed (2 fast - 20 slow), Horizontal ratio, vertical text ratio, opacity
this.s1 = new Slider("slider", 12, 1.84/3, 1/6.4, 70);	setInterval("slider.s1.run();", 16);}}}();