//Begin





var no = 20; // snow number





var speed = 35 // smaller number moves the snow faster





var snowflake = "imatges/snow.gif";





var anxo= document.body.clientWidth-25





var alto= document.body.clientHeight-25





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 = 800, doc_height = 600;





if (ns4up) {





doc_width = self.innerWidth;





doc_height = self.innerHeight;





} else if (ie4up) {





doc_width = document.body.clientWidth;





//doc_width = 50;





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





//Para que salga en el frame central





xp[i]=Math.random()*anxo





yp[i] = Math.random()*alto;





//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 class=\"logo\" src=\"");





document.write(snowflake + "\" border=\"0\"></layer>");





} else {





document.write("<layer name=\"dot"+ i +"\" left=\"15\" ");





document.write("top=\"15\" visibility=\"show\"><img class=\"logo\" 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 class=\"logo\" 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 class=\"logo\" 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);





//Para que salga en el frame central





xp[i] = Math.random()*anxo;





//xp[i] = 10;





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);





//Para que salga en el frame central





xp[i] = Math.random()*anxo;





//alert(xp[i]);





//xp[i] = 10;





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 -->