<!--
//Configure below to change URL path to the snow image
var snowsrc="../images/snowflake.gif"
// Configure below to change number of snow to render
var no = 10;

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 = 790, doc_height = 600;

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();

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\"><a href=\"http://dynamicdrive.com/\"><img src='"+snowsrc+"' border=\"0\"><\/a><\/layer>");
		} else {
			document.write("<layer name=\"dot"+ i +"\" left=\"15\" top=\"15\" visibility=\"show\"><img src='"+snowsrc+"' 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;\"><a href=\"http://dynamicdrive.com\"><img src='"+snowsrc+"' border=\"0\"><\/a><\/div>");
		} else {
		document.write("<div id=\"dot"+ i +"\" style=\"POSITION: absolute; Z-INDEX: "+ i +"; VISIBILITY: visible; TOP: 15px; LEFT: 15px;\"><img src='"+snowsrc+"' 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.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()", 10);
}

function snowIE_NS6() {  // IE and NS6 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 = ns6up?window.innerWidth : document.body.clientWidth;
			doc_height = ns6up?window.innerHeight : 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()", 10);
}

if (ns4up) {
	snowNS();
} else if (ie4up||ns6up) {
	snowIE_NS6();
}
// -->
