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flash图片切换效果
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"><html><head><title>flash图片切换效果-石家庄渣浆泵</title><meta http-equiv="imagetoolbar" content="no"><style type="text/css"> html { overflow: hidden; } body { position: absolute; margin: 0px; padding: 0px; background: #111; width: 100%; height: 100%; } #center { position: absolute; left: 50%; top: ?%; } #slider { position: absolute; width: 820px; height: 333px; left: -430px; top: -186px; overflow: hidden; background: #000; border: 20px solid #000; } #slider .slide { position: absolute; top: 0px; height: 333px; width: 500px; background: #000; overflow: hidden; border-left: #000 solid 1px; cursor: default; } #slider .title { color: #F80; font-weight: bold; font-size: 1.2em; margin-right: 1.5em; text-decoration: none; } #slider .backgroundText { position: absolute; width: 100%; height: 100%; top: 100%; background: #000; filter: alpha(opacity=40); opacity: 0.4; } #slider .text { position: absolute; top: 1%; top: 100%; color: #FFF; font-family: verdana, arial, Helvetica, sans-serif; font-size: 0.9em; text-align: justify; width: 470px; left: 10px; } #slider .diapo { position: absolute; filter: alpha(opacity=100); opacity: 1; visibility: hidden; }</style><script type="text/javascript">/* ==== slider nameSpace ==== */var slider = function() { /* ==== private methods ==== */ 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; } /* ==== Slider Constructor ==== */ 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; /* ==== on mouse out event ==== */ this.oc.onmouseout = function () { this.parent.mouseout(); return false; } } Slider.prototype = { /* ==== animation loop ==== */ 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 ==== */ 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); }, /* ==== rest ==== */ mouseout : function () { this.over = false; setOpacity(this.view.img, this.oP); } } /* ==== Slide Constructor ==== */ 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); /* ==== mouse events ==== */ this.obj.parent = this; this.obj.onmouseover = function() { this.parent.over(); return false; } } Slide.prototype = { /* ==== target positions ==== */ calc : function() { var that = this.parent; // left slides for (var i = 0; i <= this.N; i++) { that.slides[i].x1 = i * that.Z; } // right slides for (var i = this.N + 1; i < that.NF; i++) { that.slides[i].x1 = that.wh - (that.NF - i) * that.Z; } }, /* ==== HTML animation : move slides ==== */ move : function() { var that = this.parent; var s = (this.x1 - this.x0) / that.S; /* ==== lateral slide ==== */ if (this.N && Math.abs(s) > .5) { this.obj.style.left = Math.floor(this.x0 += s) + ‘px‘; } /* ==== vertical text ==== */ 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) { /* ==== adjust speed ==== */ 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; } } }, /* ==== light ==== */ 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); } } /* ==== public method - script initialization ==== */ return { init : function() { // create instances of sliders here // parameters : HTMLcontainer name, speed (2 fast - 20 slow), Horizontal ratio, vertical text ratio, opacity this.s1 = new Slider("slider", 12, 1.84/3, 1/3.2, 70); setInterval("slider.s1.run();", 16); } }}();</script></head><body><div id="center"> <div id="slider"> <div class="slide"> <img class="diapo" src="http://www.sjzwcby.com/code/js/04/7/sf10.jpg" alt=""> <div class="text"> <span class="title">The best</span> The offspring of a customized orbiter, O
flash图片切换效果
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