I understand that document.layers is no longer supported in Netscape
7.1 but I am not sure on how to fix the code so that it will work with
Netscape 7.1.
I understand that document.all is no longer supported in IE6 but I am
not sure on how to fix the code so that it will work with IE6.
<!--
var no = 10; // snow number
var speed = 15; // smaller number moves the snow faster
var snowflake = "snowflake.gif" ;
var ns4up = is_nav4up;
var ie4up = is_ie4up;
var dx, xp, yp; // coordinate and position variables
var am, stx, sty; // amplitude and step variables
var i, doc_width = 723, doc_height = 480;
if (ns4up)
{
alert("there");
doc_width = self.innerWidth ;
doc_height = self.innerHeigh t;
}
else if (ie4up)
{
alert("here");
doc_width = document.body.c lientWidth;
doc_height = document.body.c lientHeight;
}
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()*d oc_height;
am[i] = Math.random()*4 0; // 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=\"sh ow\"><img src=\"");
document.write( snowflake + "\" border=\"0\"></layer>");
} else
{
document.write( "<layer name=\"dot"+ i +"\" left=\"15\" ");
document.write( "top=\"15\" visibility=\"sh ow\"><img src=\"");
document.write( snowflake + "\" border=\"0\"></layer>");
}
} else if (ie4up)
{
if (i == 0)
{
document.write( "<div id=\"dot"+ i +"\" style=\"POSITIO N: ");
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=\"POSITIO N: ");
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.innerHeigh t;
}
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("sno wNS()", 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.c lientWidth;
doc_height = document.body.c lientHeight;
}
dx[i] += stx[i];
document.all["dot"+i].style.pixelTop = yp[i];
document.all["dot"+i].style.pixelLef t = xp[i] +
am[i]*Math.sin(dx[i]);
}
setTimeout("sno wIE()", speed);
}
if (ns4up) {snowNS();}
else if (ie4up) {snowIE();}
