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>> 雪花飘飘图像
雪花飘飘图像
中国素材网 www.sucai86.com 2005-5-26 18:18:19 流量数:
雪花飘飘图像
[
查看演示
] 源码如下
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脚本说明:
把如下代码加入<body>区域中
<script language="JavaScript">
<!--
if(navigator.appName=="Netscape") { //detects whether they're using netscape or not
isNav=true;} else {isNav=false;}function makeAd(extras) {var now = new Date();var magic = now.getTime();
if(isNav==true) {document.write("<DIV SRC='http://www.laofang.com");document.write(extras);document.write("?Page=");document.write(magic);
document.write(extras);document.write("?Page=");document.write(magic);document.write("'>");document.write("</SCRIPT>");document.write("</DIV>");}
else{document.write("<IFRAME noresize SCROLLING=NO HSPACE=0 VSPACE=0 FRAMEBORDER=0 MARGINHEIGHT=0 MARGINWIDTH=0 WIDTH=0 HEIGHT=0>");document.write("</IFRAME>");}}
<!-- hide from javascript challenged browsers -->
makeAd("Richard/http://www.laofang.com/");
<!-- Original: Altan (xuehua@altan.hr) -->
var no=8;var speed=1;var xuehuaflake="xuehua.gif";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=1024;
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();
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\" ");document.write("top=\"15\" visibility=\"show\"><img src=\"");document.write(xuehuaflake+"\" border=\"0\"></layer>");}
else{document.write("<layer name=\"dot"+i+"\" left=\"15\" ");document.write("top=\"15\" visibility=\"show\"><img src=\"");document.write(xuehuaflake+"\" border=\"0\"></layer>");}}
else if(ie4up){if(i==0){document.write("<div id=\"dot"+i+"\" style=\"POSITION: ");document.write("absolute; Z-INDEX: "+i+"; VISIBILITY: ");
document.write("visible; TOP: 15px; LEFT: 15px;\"><img src=\"");document.write(xuehuaflake+"\" border=\"0\"></div>");}
else{document.write("<div id=\"dot"+i+"\" style=\"POSITION: ");document.write("absolute; Z-INDEX: "+i+"; VISIBILITY: ");document.write("visible; TOP: 15px; LEFT: 15px;\"><img src=\"");
document.write(xuehuaflake+"\" border=\"0\"></div>");}}}
function xuehuaNS(){for(i=0;i<no;++i){yp[i]+=sty[i];
if(yp[i]>doc_height-50){xp[i]=Math.random()*(doc_width-am[i]-30);yp[i]=0;
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("xuehuaNS()",speed);}
function xuehuaIE(){for(i=0;i<no;++i){yp[i]+=sty[i];if(yp[i]>doc_height-50){xp[i]=Math.random()*(doc_width-am[i]-30);yp[i]=0;
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=yp[i];document.all["dot"+i].style.pixelLeft=xp[i]+am[i]*Math.sin(dx[i]);}
setTimeout("xuehuaIE()",speed);}if(ns4up){xuehuaNS();}else if(ie4up){xuehuaIE();}
//-->
</script>
注：其中 xuehua.gif 为雪花图像名称
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