Html Code: Bubble Effect

Using a beautiful background for a website enhances its beauty. In the code below we have a dynamic background that contains a number of bubbles that move from the bottom of the page to the top. And during their movement, they go left and right, which creates a very beautiful dynamic background.

<!-- this script got from www.htmlbestcodes.com - Coded by: Krishna Eydat -->

<script language="JavaScript1.2">

var no = 15; // image number or falling rate
var speed = 2; // the lower the number the faster the image moves
var snow = new Array();
var a = "http://www.htmlbestcodes.com/images/bubble.gif";

var ns4up = (document.layers) ? 1 : 0;  // browser sniffer
var ie4up = (document.all) ? 1 : 0;
var ns6up = (document.getElementById && !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 = 1800;

if (ns4up || ns6up) {
    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();
j = 0;

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\" top=\"15\" visibility=\"show\"><img src=\"" + a + "\" border=\"0\"></layer>");
} else {
    document.write("<layer name=\"dot" + i + "\" left=\"15\" top=\"15\" visibility=\"show\"><img src=\"" +a + "\" border=\"0\"></layer>");
}
} else if (ie4up || ns6up) {
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=\"" + a + "\" 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=\"" + a + "\" border=\"0\"></div>");
}
}
    if (j == (snow.length - 1)) { j = 0; } else { j += 1; }
}

function snowNS() {  // Netscape main animation function
for (i = 0; i < no; ++i) {  // iterate for every dot
yp[i] -= sty[i]; if (yp[i] < -50) {
    xp[i] = Math.random() * (doc_width - am[i] - 30);
    yp[i] = doc_height;
    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] + pageYOffset;
document.layers["dot" + i].left = xp[i] +
    am[i] * Math.sin(dx[i]);
}
setTimeout("snowNS()", speed);
}

function snowIE_NS6() {  // IE main animation function
for (i = 0; i < no; ++i) {  // iterate for every dot
yp[i] -= sty[i];
if (yp[i] < -50) {
    xp[i] = Math.random() * (doc_width - am[i] - 30);
    yp[i] = doc_height;
    stx[i] = 0.02 + Math.random() / 10;
    sty[i] = 0.7 + Math.random();
    doc_width = ns6up ? window.innerWidth - 5 : document.body.clientWidth;
    doc_height = ns6up ? window.innerHeight - 5 : document.body.clientHeight;
}
dx[i] += stx[i];
if (ie4up) {
    document.all["dot" + i].style.pixelTop = yp[i] + document.body.scrollTop;
    document.all["dot" + i].style.pixelLeft = xp[i] + am[i] * Math.sin(dx[i]);
}
else if (ns6up) {
    document.getElementById("dot" + i).style.top = yp[i] + pageYOffset;
    document.getElementById("dot" + i).style.left = xp[i] + am[i] * Math.sin(dx[i]);
}
}
setTimeout("snowIE_NS6()", speed);
}

if (ns4up) {
    snowNS();
} else if (ie4up || ns6up) {
    snowIE_NS6();
}
// End -->
</script><a target="_blank" href="https://www.htmlbestcodes.com/" style="font-size: 8pt; text-decoration: none;font-family:Tahoma">HTML Best Codes</a>

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Html Code: Bubble Effect

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