var sayi = 15;
var cesit = 1;

var px, py;
var xd, gn;

var i = 0;
var ne = 0;

var doc_w;
var doc_h;

var tarayici_ie = document.all;
var tarayici_ff = document.getElementById && !document.all;

function yagdir_yagdir(){
	doc_w = tarayici_ie ? document.body.clientWidth : self.innerWidth;
	doc_h = tarayici_ie ? document.body.clientHeight : self.innerHeight;
	
	px = new Array();
	py = new Array();
	
	xd = new Array();
	gn = new Array();
	
	for (i = 0; i < sayi; ++i) {  
		xd[i] = Math.random() * 10;
		gn[i] = 5 + Math.random() * 20;
		
		px[i] = Math.random() * (doc_w - 80);
		py[i] = Math.random() * doc_h;
		
		ne = ne + 1;
		if (ne > cesit) {ne = 1};
		
		document.write("<div id='yagdir_resim" + i + "' style='position:absolute; top:15px; left:15px;'><img src='yagdir/" + ne + ".gif' border='0'><\/div>");
	}
	
	setTimeout("yagdir_basla()", 20);
}

function yagdir_basla() {
	doc_w = tarayici_ie ? document.body.clientWidth : self.innerWidth;
	doc_h = tarayici_ie ? document.body.clientHeight : self.innerHeight;
	
	for (i = 0; i < sayi; ++i) {
		py[i] += 0.8;
		xd[i] += 0.1;
		
		if (py[i] > doc_h - 50) { py[i] = 0 };
		if (px[i] > doc_w - 80) { px[i] = Math.random() * (doc_w - 80) };
		
		document.getElementById("yagdir_resim" + i).style.top = py[i];
		document.getElementById("yagdir_resim" + i).style.left = px[i] + gn[i] * Math.sin(xd[i]);
	}
	
	setTimeout("yagdir_basla()", 20);
}