藍色泡泡上升背景語法

<script language="JavaScript1.2">

<!-- Begin

 

//出現泡泡的數目

var no = 20;

 

//泡泡走動的速度(越小數目越快)

var speed = 2;

 

var bubble = new Array();

 

//在此轉換泡泡圖片(貼上圖片網址就OK嚕!)

bubble[0] = "A01-11.gif"  

bubble[1] = "A01-11.gif"

bubble[2] = "A01-11.gif"

 

var ns4up = (document.layers) ? 1 : 0; 

var ie4up = (document.all) ? 1 : 0;

var ns6up = (document.getElementById&&!document.all) ? 1 : 0;

var dx, xp, yp;   

var am, stx, sty; 

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;                      

        xp[i] = Math.random()*(doc_width-50); 

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

        am[i] = Math.random()*20;        

        stx[i] = 0.02 + Math.random()/10;

        sty[i] = 0.7 + Math.random();   

        if (ns4up) {                    

                if (i == 0) {

                        document.write("<layer name="dot"+ i +"" left="15" top="15" visibility="show"><img src=""+ bubble[j] + "" border="0"></layer>");

                } else {

                        document.write("<layer name="dot"+ i +"" left="15" top="15" visibility="show"><img src=""+ bubble[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="" + bubble[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="" + bubble[j] + "" border="0"></div>");

                }

        }

        if (j == (bubble.length-1)) { j = 0; } else { j += 1; }

}

 

function bubbleNS() { 

        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];

                document.layers["dot"+i].left = xp[i] +

am[i]*Math.sin(dx[i]);

        }

        setTimeout("bubbleNS()", speed);

}

 

function bubbleIE_NS6() { 

        for (i = 0; i < no; ++ i) { 

                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.all["dot"+i].style.pixelLeft = xp[i] + am[i]*Math.sin(dx[i]);

                }

                else if (ns6up){

                document.getElementById("dot"+i).style.top=yp[i];

                document.getElementById("dot"+i).style.left=xp[i] + am[i]*Math.sin(dx[i]);

                }

        }

        setTimeout("bubbleIE_NS6()", speed);

}

 

if (ns4up) {

        bubbleNS();

} else if (ie4up||ns6up) {

        bubbleIE_NS6();

}

// End -->

</script>

==========================================================

提供兩種泡泡的網址..

 

      小泡泡

http://home.kimo.com.tw/lucy3777/A/A01/A01-11.gif

      汽泡

http://home.kimo.com.tw/lucy3777/A/A03/A03-20.gif