把代码中所需要的图片换成云的图片效果更佳
<!-- http://www.mb5u.com/ --> <!-- http://wWw.mb5u.com/--> 将下面代码复制到你网页中<body>中即可...... <script language=\"JavaScript1.2\"> var no = 18; var speed = 2; var snow = new Array(); snow[0] = \"images/yun.gif\" snow[1] = \"images/yun.gif\" snow[2] = \"images/yun.gif\" var ns4up = (document.layers) ? 1 : 0; var ie4up = (document.all) ? 1 : 0; var ns6up = (document.getElementById&&!document.all) ? 1 : 0; var dx, xp, yp; var am, stx, sty; var i, doc_width = 800, doc_height = 1800; if (ns4up||ns6up) { doc_width = self.innerWidth; doc_height = self.innerHeight; } else if (ie4up) { doc_width = document.body.clientWidth; doc_height = document.body.clientHeight; } dx = new Array(); xp = new Array(); yp = new Array(); am = new Array(); stx = new Array(); sty = new Array(); j = 0; for (i = 0; i < no; ++ i) { dx[i] = 0; xp[i] = Math.random()*(doc_width-50); yp[i] = Math.random()*doc_height; am[i] = Math.random()*20; stx[i] = 0.02 + Math.random()/10; sty[i] = 0.7 + Math.random(); if (ns4up) { if (i == 0) { document.write(\"<layer name=\\"dot\"+ i +\"\\" left=\\"15\\" top=\\"15\\" visibility=\\"show\\"><img src=\\"\"+ snow[j] + \"\\" border=\\"0\\"></layer>\"); } else { document.write(\"<layer name=\\"dot\"+ i +\"\\" left=\\"15\\" top=\\"15\\" visibility=\\"show\\"><img src=\\"\"+ snow[j] + \"\\" border=\\"0\\"></layer>\"); } } else if (ie4up||ns6up) { if (i == 0) { document.write(\"<div id=\\"dot\"+ i +\"\\" style=\\"POSITION: absolute; Z-INDEX: \"+ i +\"VISIBILITY: visible; TOP: 15px; LEFT: 15px; width:1;\\"><img src=\\"\" + snow[j] + \"\\" border=\\"0\\"></div>\"); } else { document.write(\"<div id=\\"dot\"+ i +\"\\" style=\\"POSITION: absolute; Z-INDEX: \"+ i +\"VISIBILITY: visible; TOP: 15px; LEFT: 15px; width:1;\\"><img src=\\"\" + snow[j] + \"\\" border=\\"0\\"></div>\"); } } if (j == (snow.length-1)) { j = 0; } else { j += 1; } } function snowNS() { for (i = 0; i < no; ++ i) { yp[i] -= sty[i]; if (yp[i] < -50) { xp[i] = Math.random()*(doc_width-am[i]-30); yp[i] = doc_height; stx[i] = 0.02 + Math.random()/10; sty[i] = 0.7 + Math.random(); doc_width = self.innerWidth; doc_height = self.innerHeight; } dx[i] += stx[i]; document.layers[\"dot\"+i].top = yp[i]; document.layers[\"dot\"+i].left = xp[i] + am[i]*Math.sin(dx[i]); } setTimeout(\"snowNS()\", speed); } function snowIE_NS6() { for (i = 0; i < no; ++ i) { yp[i] -= sty[i]; if (yp[i] < -50) { xp[i] = Math.random()*(doc_width-am[i]-30); yp[i] = doc_height; stx[i] = 0.02 + Math.random()/10; sty[i] = 0.7 + Math.random(); doc_width = ns6up?window.innerWidth-5:document.body.clientWidth; doc_height = ns6up?window.innerHeight-5:document.body.clientHeight; } dx[i] += stx[i]; if (ie4up){ document.all[\"dot\"+i].style.pixelTop = yp[i]; document.all[\"dot\"+i].style.pixelLeft = xp[i] + am[i]*Math.sin(dx[i]); } else if (ns6up){ document.getElementById(\"dot\"+i).style.top=yp[i]; document.getElementById(\"dot\"+i).style.left=xp[i] + am[i]*Math.sin(dx[i]); } } setTimeout(\"snowIE_NS6()\", speed); } if (ns4up) { snowNS(); } else if (ie4up||ns6up) { snowIE_NS6(); } </script> [C
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