/*
Snow Java Script- 
By Dynamic Web Design (www.dynamic-design.com.ua)
For full source code, installation instructions,
100's more DHTML scripts, and Terms Of
Use, visit http://www.dynamic-design.com.ua/develop/
*/
var no = 10;
var speed = 8;
var snowflake = "images/snow.gif";
var keith = 1;
var sammmy = 2;

var ns4up = (document.layers) ? 1 : 0;
var ie4up = (document.all) ? 1 : 0;
var dx, xp, yp;
var am, stx, sty;
var i, doc_width = 400, doc_height = 500;
if (ns4up) {
 doc_width = self.innerWidth;
 doc_height = self.innerHeight;
} else if (ie4up) {
 doc_width = 500;
 doc_height = 500;
}
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;
 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\" ");
     document.write("top=\"15\" visibility=\"show\"><img src=\"");
     document.write(snowflake + "\" border=\"0\"></layer>");
   } else {
     document.write("<layer name=\"dot"+ i +"\" left=\"15\" ");
     document.write("top=\"15\" visibility=\"show\"><img src=\"");
     document.write(snowflake + "\" border=\"0\"></layer>");
   }
 } else if (ie4up) {
   if (i == 0) {
     document.write("<div id=\"dot"+ i +"\" style=\"POSITION: ");
     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=\"POSITION: ");
     document.write("absolute; Z-INDEX: "+ i +"; VISIBILITY: ");
     document.write("visible; TOP: 15px; LEFT: 15px;\"><img src=\"");
     document.write(snowflake + "\" border=\"0\"></div>");
   }
 }
}
function snowNS() {
 for (i = 0; i < no; ++ i) {
   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.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() {
 for (i = 0; i < no; ++ i) {
   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.clientWidth;
     doc_height = document.body.clientHeight;
   }
   dx[i] += stx[i];
   document.all["dot"+i].style.pixelTop = yp[i];
   document.all["dot"+i].style.pixelLeft = xp[i] + am[i]*Math.sin(dx[i]);
 }
 setTimeout("snowIE()", speed);
}

if (ns4up) {
 snowNS();
} else if (ie4up) {
 snowIE();
}
