Kód:
<BODY>
<SCRIPT LANGUAGE="JavaScript1.2"> <!-- Original: Altan (snow@altan.hr) --> <!-- Web Site: http://www.altan.hr/snow -->
<!-- This script and many more are available free online at
--> <!-- The JavaScript Source!! http://javascript.internet.com
-->
<!-- Begin var no = 7; // antal snöflingor var speed = 10; // snöar
fortare vid ett lägre värde var snowflake = "//gportal.hu/portal/kiscsay/image/gallery/1135201922.gif";
var ns4up = (document.layers) ? 1 : 0; // browser sniffer var ie4up =
(document.all) ? 1 : 0; var dx, xp, yp; // coordinate and position
variables var am, stx, sty; // amplitude and step variables var i,
doc_width = 1024, doc_height = 800; 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; // set coordinate
variables xp[i] = Math.random()*(doc_width-50); // set position
variables yp[i] = Math.random()*doc_height; am[i] = Math.random()*20; //
set amplitude variables stx[i] = 0.02 + Math.random()/10; // set step
variables sty[i] = 0.7 + Math.random(); // set step variables if (ns4up) {
// set layers if (i == 0) { document.write("<layer name=\"dot"+ i +"\"
left=\"15\" "); document.write("top=\"15\" visibility=\"show\"><img
src=\""); document.write(snowflake + "\"
border=\"0\"></layer>"); } else { document.write("<layer
name=\"dot"+ i +"\" left=\"15\" "); document.write("top=\"15\"
visibility=\"show\"><img src=\""); document.write(snowflake + "\"
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(snowflake + "\" 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(snowflake + "\"
border=\"0\"></div>"); } } } function snowNS() { //
Netscape main animation function for (i = 0; i < no; ++ i) { // iterate
for every dot 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("snowNS()", speed); } function
snowIE() { // IE main animation function for (i = 0; i < no; ++ i) { //
iterate for every dot 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("snowIE()", speed); } if (ns4up)
{ snowNS(); } else if (ie4up) { snowIE(); } // End
--> </script>
</BODY>
Demó:
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