<!--
// DocOzone's Javascript code, copyright 1998
// -Dr. Thaddeus Ozone-   http://www.ozones.com/
//
// Modified by Rui Gil. 2000.
// I just wanted a nice effect, over my personal beach... ;)
// you can use this script, I've modified it, so I recomend the original
// with mouse events and all...

netscape = (document.layers) ? 1:0
explorer = (document.all) ? 1:0
var delay = 70;
var step = .3;
var currStep = 0;
var Xpos = 0;
var Ypos = 0;

function startup()
{
	if (netscape) {
		document.a1.visibility='visible';
		document.a2.visibility='visible';
		document.a3.visibility='visible';
		document.a4.visibility='visible';
		document.a5.visibility='visible';
		document.a6.visibility='visible';
		Xpos = window.innerWidth/2;
		Ypos = 50;
	} else if (explorer) {
		document.all.a1.style.visibility='visible';
		document.all.a2.style.visibility='visible';
		document.all.a3.style.visibility='visible';
		document.all.a4.style.visibility='visible';
		document.all.a5.style.visibility='visible';
		document.all.a6.style.visibility='visible';
		Xpos = document.body.clientWidth/2;
		Ypos = 50;
	}
}

function birds()
{
	if (netscape) {
		yBase = 50;
		xBase = (window.innerWidth/2) * 0.8;
		for ( j = 0 ; j < 6 ; j++ ) {
			document.layers[j].top = Ypos+Math.cos((20*Math.sin(currStep/(85+j)))+j*70)*yBase*(Math.sin(10+currStep/10)+0.2)*Math.cos((currStep+j*55)/10);
			document.layers[j].left= Xpos+Math.sin((20*Math.sin(currStep/85))+j*70)*xBase*(Math.sin(10+currStep/(10+j))+0.2)*Math.cos((currStep+j*55)/10);
		}
		currStep += step;
		setTimeout("birds()", delay) ;
	} else if (explorer) {
		var yBase = 50;
		var xBase = (document.body.clientWidth/2) * 0.8;
		for ( j = 1 ; j <= 6 ; j++ ) {
			eval("document.all.a"+j+".style.top = Ypos+Math.cos((20*Math.sin(currStep/(85+j)))+j*70)*yBase*(Math.sin(10+currStep/10)+0.2)*Math.cos((currStep+j*55)/10)");
			eval("document.all.a"+j+".style.left = Xpos+Math.sin((20*Math.sin(currStep/85))+j*70)*xBase*(Math.sin(10+currStep/(10+j))+0.2)*Math.cos((currStep+j*55)/10)");
		}
		currStep += step;
		setTimeout("birds()", delay);
	}
} // -->