(
	function(){
		var UA=navigator.userAgent;
		is_ie=/msie/i.test(UA)&&!(/opera/i.test(UA))&&!(/mac_powerpc/i.test(UA));
		is_khtml=/Konqueror|Safari|KHTML/i.test(UA);
		is_gecko=/gecko/i.test(UA)&&!is_khtml;
	}
)();
	var snowflake = "christmas_img/snow.gif";
	var no = 80; // number of snowflakes on the screen
	var speed = 5; // smaller numbers make the snow fall faster
	var dx, xp, yp;    // coordinate and position variables
	var am, stx, sty;  // amplitude and step variables
	var newdoc,obj, i, doc_width = 70, doc_height = 60;
if (!is_ie) {
	  doc_width = window.innerWidth - 25;
	  doc_height = window.innerHeight;
	}
	else {
	  doc_width = document.body.offsetWidth - 25;
	  doc_height = document.body.offsetHeight;
  }

	function winSize() {
		doc_width = window.innerWidth?window.innerWidth:document.body.clientWidth;
		newdoc = window.innerHeight?window.innerHeight:document.body.clientHeight;
		if (newdoc < doc_height) doc_height = newdoc;
	}

	dx = new Array();
	xp = new Array();
	yp = new Array();
	am = new Array();
	stx = new Array();
	sty = new Array();

	winSize();

	document.write("<STYLE type=\"text/css\">.flake {position:absolute;top:-200;}</STYLE>");

	for (i = 0; i < no; i++) {  
		dx[i] = 0;                        // set coordinate variables
		xp[i] = Math.random()*(doc_width-30) +10;  // 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
		document.write("<div id=\"dot"+ i +"\" class=\"flake\"><img src=\"");
		document.write(snowflake + "\" border=\"0\"></div>");
	}

	function snowMove(id,left,top) {
		obj = document.getElementById?document.getElementById(id).style:
			document.all?document.all[id].style:
			document.layers?document.layers[id]:null;
		if (obj) {
			obj.left=left;
			obj.top=top;
		}
	}

	function snow() {
return;
		winSize();
		doc_scroll = (window.pageYOffset!=null)?window.pageYOffset:document.body.scrollTop;
		for (i = 0; i < no; ++ i) {  // iterate for every dot
			yp[i] += sty[i];
			if (yp[i] > doc_height+doc_scroll-50) {
				xp[i] = Math.random()*(doc_width-am[i]-30);
				yp[i] = doc_scroll;
				stx[i] = 0.02 + Math.random()/10;
				sty[i] = 0.7 + Math.random();
			}
			dx[i] += stx[i];
			snowMove("dot"+i,xp[i]+am[i]*Math.sin(dx[i]),yp[i]);
		}
		setTimeout("snow()", speed);
	}

//	window.onload=snow;