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::- Example ::-> ตัวอย่าง ดูที่ Background เมฆลอยครับ

+:: Source Code ::+

+:: Descriptions ::+

(2)
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<!-- Begin

var no = 20; // image number or falling rate

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

var snow = new Array();

snow[0] = "cloud.gif"

snow[1] = "cloud.gif"

snow[2] = "cloud.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];

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.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("snowIE_NS6()", speed);

}

if (ns4up) {

snowNS();

} else if (ie4up||ns6up) {

snowIE_NS6();

}

// End -->

</script>

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เหมาะกับหน้าที่ใช้ Background สีขาว


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