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用JavaScript制作会反弹的浮动图片
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广告招租，e-mail:yesize@hotmail.com 现在网上流行会弹来弹去的浮动图片。想给自己的网页也加上一个吗？其实很简单，把下面这段代码加到网页的之间，然后，把图片换成你中意的就OK啦！ < div id=img style=position:absolute;> < a href=http://www.eschool.com.cn target=_blank> < img src=eschool-button.gif > < /a> < /div> < SCRIPT LANGUAGE=JavaScript> < !-- Begin var xPos = 20; var yPos = document.body.clientHeight; var step = 1; var delay = 30; var height = 0; var Hoffset = 0; var Woffset = 0; var yon = 0; var xon = 0; var pause = true; var interval; img.style.top = yPos; function changePos() {width = document.body.clientWidth;height =document.body.clientHeight;Hoffset = img.offsetHeight;Woffset = img.offsetWidth; img.style.left = xPos + document.body.scrollLeft;img.style.top = yPos + document.body.scrollTop;if (yon) {yPos = yPos + step;} else {yPos = yPos - step;} if (yPos < 0) {yon = 1;yPos = 0;} if (yPos >= (height - Hoffset)) {yon = 0;yPos = (height - Hoffset);} if (xon) {xPos = xPos + step;} else {xPos = xPos - step;} if (xPos < 0) {xon = 1;xPos = 0;} if (xPos >= (width - Woffset)) {xon = 0;xPos = (width - Woffset);}} function start() {img.visibility = visible;interval = setInterval(´changePos()´, delay);} start(); // End -- > < /script >
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