/******************************************
* Snow Effect Script- By Altan d.o.o. (snow@altan.hr, http://www.altan.hr/snow/index.html)
* Visit Dynamic Drive (http://www.dynamicdrive.com/) for full source code
* Modified Dec 31st, 02' by DD. This notice must stay intact for use
******************************************/

var now = new Date();
var dia = now.getDate();;
var mes = now.getMonth()+1;
if((mes==12)||((mes==1)&&(dia<7))){
	//Configure below to change URL path to the snow image
	var snowsrc="images/snow.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 = 800, 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();
	}
}//fin if fecha