var no = 3; 
var speed = 15; 
snow = new Array(); 
snow[0] = "http://w1.loxa.com.tw/d262/rl/ph1.gif"; 
snow[1] = "http://w1.loxa.com.tw/d262/rl/ph2.gif";
snow[2] = "http://w1.loxa.com.tw/d262/rl/ph3.gif"; 
snow[3] = "http://w1.loxa.com.tw/d262/rl/ph1.gif"; 
snow[4] = "http://w1.loxa.com.tw/d262/rl/ph2.gif"; 
snow[5] = "http://w1.loxa.com.tw/d262/rl/ph3.gif"; 
var maxsize = 80; 

var ns4up = (document.layers) ? 1 : 0; 
var ie4up = (document.all) ? 1 : 0; 
var dx, xp, yp; 
var am, stx, sty; 
var i, doc_width = 500, doc_height = 700; 

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;\">&nbsp;</div>"); 


function snowNS() { // Netscape main animation function 
for (i = 0; i < no; ++ i) { // iterate for every dot 
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() { // IE main animation function 
for (i = 0; i < no; ++ i) { // iterate for every dot 
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(); 
}