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BenQ
  Posted: Jan 9 2005, 05:30 PM
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Group: Ban Quản Trị
Posts: 454
Member No.: 3
Joined: 29-February 04


CODE

<script language=JavaScript>var no = 10; // So hoa muon roi , ban co the thay doi tuy thich

var speed =50; // toc do roi , ban co the thay doi tuy thich

var snowflake = "http://i1.ifrm.com/1907/27/pip/firstnew.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 = 800, doc_height = 600;

if (ns4up) {

doc_width = self.innerWidth;

doc_height = self.innerHeight;

} else if (ie4up) {

doc_width = 800;

doc_height = 800;

}

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>







Các bạn chèn vào Javascript

Các bạn có thể thay đổi tốc độ , số hoa muốn rơi ở





CODE
var no = 10; // So hoa muon roi , ban co the thay doi tuy thich

var speed =50; // toc do roi , ban co the thay doi tuy thich





Thay đổi hình ảnh ở đây http://i1.ifrm.com/1907/27/pip/firstnew.gif
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