Y lo publico aqui para tenerlo recodigo.
Gracias class.
- <script>
- var no = 5; // snow number
- var speed = 15; // smaller number moves the snow faster
- var snowflake = "imagennieve.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 = 400, doc_height = 500;
- if (ns4up) {
- doc_width = self.innerWidth;
- doc_height = self.innerHeight;
- } else if (ie4up) {
- doc_width = 500;
- doc_height = 500;
- }
- 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();
- }
- </script>
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