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<!-- http://www.downcodes.com --> <!-- bbs http://bbs.downcodes.com --> <!--要完成此效果需要两个步骤 第一步：把如下代码加入到<body>区域中--> <body> <script language="JavaScript"> <!-- N = 40; Y = nova Matriz(); X = nova Matriz(); S = nova Matriz(); A = nova Matriz(); B = nova Matriz(); M = nova Matriz(); V = (camadas de documentos)?1:0; iH=(document.layers)?window.innerHeight:window.document.body.clientHeight; iW=(document.layers)?window.innerWidth:window.document.body.clientWidth; for (i=0; i < N; i++){ Y[i]=Math.round(Math.random()*iH); X[i]=Math.round(Math.random()*iW); S[i]=Math.round(Math.random()*5+2); UMA[eu]=0; B[i]=Math.random()*0,1+0,1; M[i]=Math.round(Math.random()*1+1); } if (V){ for (i = 0; i < N; i++) {document.write("<NOME DA CAMADA='sn"+i+"' ESQUERDA=0 TOP=0 BGCOLOR='#FFFFF0' CLIP=' 0,0,"+M[i]+","+M[i]+"'></LAYER>")} } else{ document.write('<div style="position:absolute;top:0px ;esquerda:0px">'); document.write('<div style="posição:relativa">'); for (i = 0; i < N; i++) {document.write('<div id="si" style="position:absolute;top:0;left:0;width:'+M[i]+' ;altura:'+M[i]+';fundo:#fffff0;tamanho da fonte:'+M[i]+'"></div>')} document.write('</div></div >'); } função neve(){ var H=(document.layers)?window.innerHeight:window.document.body.clientHeight; var W=(document.layers)?window.innerWidth:window.document.body.clientWidth; var T=(document.layers)?window.pageYOffset:document.body.scrollTop; var L=(document.layers)?window.pageXOffset:document.body.scrollLeft; para (i=0; i < N; i++){ sy=S[i]*Math.sin(90*Math.PI/180); sx=S[i]*Math.cos(A[i]); Y[i]+=sy; X[i]+=sx; se (S[i] > H){ S[i]=-10; X[i]=Math.round(Math.random()*W); M[i]=Math.round(Math.random()*1+1); S[i]=Math.round(Math.random()*5+2); } if (V){document.layers['sn'+i].left=X[i];document.layers['sn'+i].top=Y[i]+T} else{si[i] .style.pixelLeft=X[i];si[i].style.pixelTop=Y[i]+T} A[i]+=B[i]; } setTimeout('neve()',10); } //--> </script> <!--第二步：把“onLoad="snow()"”加在<body>标记里 例如：--> <body onLoad="snow()" bgcolor =#000000>
