热带鱼
加入如下代码到body区域 <SCRIPT language=JavaScript1.2> <!-- var no = 7; var speed = 10; snow = new Array(); snow[0] = "22/0.gif"; snow[1] = "22/1.gif"; snow[2] = "22/2.gif"; snow[3] = "22/3.gif"; snow[4] = "22/4.gif"; snow[5] = "22/5.gif"; snow[6] = "22/6.gif"; var maxsize = 74; var ns4up = (document.layers) ? 1 : 0; var ie4up = (document.all) ? 1 : 0; var dx, xp, yp; var am, stx, sty; var i, doc_width = 800, doc_height = 600; if (ns4up) { 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(); var j = 0; for (i = 0; i < no; ++ i) { dx[i] = 0; xp[i] = Math.random()*(doc_height-maxsize); yp[i] = Math.random()*(doc_width-maxsize); am[i] = Math.random()*10; 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) { 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; } } document.write("<div id=\"damy\" style=\"POSITION: absolute; width:1; Z-INDEX: "+ i +"; VISIBILITY: visible; TOP: 15px; LEFT: " + (doc_width+maxsize) + "px;\"> </div>"); function snowNS() { for (i = 0; i < no; ++ i) { if (i%2) { yp[i] += sty[i]; if (yp[i] > doc_width) { xp[i] = Math.random()*(doc_height-am[i]-maxsize); yp[i] = 0-maxsize; stx[i] = 0.02 + Math.random()/10; sty[i] = 0.7 + Math.random(); doc_width = self.innerWidth; doc_height = self.innerHeight; } } else { yp[i] -= sty[i]; if (yp[i] < -maxsize) { xp[i] = Math.random()*(doc_height-am[i]-maxsize); yp[i] = doc_width; 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 = xp[i] + am[i]*Math.sin(dx[i]); document.layers["dot"+i].left = yp[i]; } setTimeout("snowNS()", speed); } function snowIE() { for (i = 0; i < no; ++ i) { if (i%2) { yp[i] += sty[i]; if (yp[i] > doc_width) { xp[i] = Math.random()*(doc_height-am[i]-maxsize); yp[i] = 0-maxsize; stx[i] = 0.02 + Math.random()/10; sty[i] = 0.7 + Math.random(); doc_width = document.body.clientWidth; doc_height = document.body.clientHeight; } } else { yp[i] -= sty[i]; if (yp[i] < -maxsize) { xp[i] = Math.random()*(doc_height-am[i]-maxsize); yp[i] = doc_width; stx[i] = 0.02 + Math.random()/10; sty[i] = 0.7 + Math.random(); doc_width = document.body.clientWidth; doc_height = document.body.clientHeight; } } dx[i] += stx[i]; document.all["dot"+i].style.pixelTop = xp[i] + am[i]*Math.sin(dx[i]); document.all["dot"+i].style.pixelLeft = yp[i]; } setTimeout("snowIE()", speed); } if (ns4up) { snowNS(); } else if (ie4up) { snowIE(); } //--> </SCRIPT>
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