/***************************************************
<!-- Original:  Matthew Musgrove ( muskrat@lvnworth.com) -->
<!-- Web Site:  http://free.prohosting.com/~musgrove -->

<!-- This script and many more are available free online at -->
<!-- The JavaScript Source!! http://javascript.internet.com -->
<!-- Modified on 18 january 2009 by TopFlood (alana@topflood.com) -->
/***************************************************/

//<!-- Begin
/****************************
Extern variable
/***************************/
//var topflood_nombre = 50;

var no;
var speed = 1;
var ns4up = (document.getElementById && !document.all) ? 1 : 0;
var ie4up = (document.all) ? 1 : 0;
var s, x, y, sn, cs;
var a, r, cx, cy;
var i, doc_width = 1000, doc_height = 600;
//var i, doc_width, doc_height;

x = new Array();
y = new Array();
r = new Array();
cx = new Array();
cy = new Array();
s = 8;

	if (ns4up) {
		doc_width = window.innerWidth;
		doc_height = window.innerHeight + window.scrollMaxY;
	} else if (ie4up) { 
		//doc_width = document.body.clientWidth;
		//doc_height = document.body.clientHeight;		
	}
	
	no = (window.topflood_nombre === undefined) ? 50 : topflood_nombre;
	
	for (i = 0; i < no; ++ i) {
		document.write("<div id=\"dot"+ i +"\" style=\"POSITION: absolute; Z-INDEX: "+ i +"; VISIBILITY: visible; TOP: 15px; LEFT: 15px;\"><font color=\"darkblue\">,</font></div>");
		initRain();
	}
	
	raindrop();

/****************************
Functions
/***************************/
	
	
function raindrop() {
	for (i = 0; i < no; ++ i) {
		updateRain();
		if ((x[i] <= 1) || (x[i] >= (doc_width - 20)) || (y[i] >= (doc_height - 20))) {
			makeRain();
		}
		document.getElementById("dot"+i).style.top = y[i]+"px";
		document.getElementById("dot"+i).style.left = x[i]+"px";
		}
	setTimeout("raindrop()", speed);
}

function initRain() {
a = 6
r[i] = 1;
sn = Math.sin(a);
cs = Math.cos(a);
cx[i] = Math.random() * doc_width + 1;
cy[i] = Math.random() * doc_height + 1;
x[i] = r[i] * sn + cx[i];
y[i] = cy[i];
}

function makeRain() {
r[i] = 1;
cx[i] = Math.random() * doc_width + 1;
cy[i] = 1;
x[i] = r[i] * sn + cx[i];
y[i] = r[i] * cs + cy[i];
}


function updateRain() {
r[i] += s;
x[i] = r[i] * sn + cx[i];
y[i] = r[i] * cs + cy[i];
}
//  End -->