<script language="JavaScript1.2">

<!-- Begin

//Bubble Script by Lisa (issa@lissaexplains.com, http://lissaexplains.com)

//Based on code by Altan d.o.o. (snow@altan.hr)

//For full source code and installation instructions to this script, visit http://www.dynamicdrive.com

var no = 15; // image number or falling rate

var speed = 2; // the lower the number the faster the image moves

var snow = new Array();

snow[0] = "http://tranphuongtrang.webng.com/Anh/bubble.gif"

snow[1] = "http://tranphuongtrang.webng.com/Anh/bubble.gif"

snow[2] = "http://tranphuongtrang.webng.com/Anh/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=\""+ snow[j] + "\" border=\"0\"></layer>");

                } else {

                        document.write("<layer name=\"dot"+ i +"\" left=\"15\" top=\"15\" visibility=\"show\"><img src=\""+ snow[j] + "\" 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=\"" + snow[j] + "\" 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=\"" + snow[j] + "\" 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>