<!-- Original:  Eddie Traversa (psych3@primus.com.au) -->
<!-- Web Site:  http://dhtmlnirvana.com/ -->

<!-- This script and many more are available free online at -->
<!-- The JavaScript Source!! http://javascript.internet.com -->

function reload() {
  window.location.reload();
}

// if (!is_nav4) window.onresize = reload;

window.onerror 	= null;
var layerHeight = 230;
var layerWidth 	= 130;
var vertMargin 	= 110;	// ülemine serv
var horMargin 	= 20;

var slideTime 	= 600;
var interval 	= 20;

// var ns6 = (!document.all && document.getElementById);
// var ie4 = (document.all);
// var ns4 = (document.layers);

function layerObject(id,left) {
	if ( is_nav6 || is_gecko ) {
		this.obj = document.getElementById(id).style;
		this.obj.left = left;
		return this.obj;
	} else if(is_ie4up || is_opera5up) {
		this.obj = document.all[id].style;
		this.obj.left = left;
		return this.obj;
	} else if(is_nav4) {
		this.obj = document.layers[id];
		this.obj.left = left;
		return this.obj;
	}
}
function layerSetup() {
	// pageWidth * .5
	// horMargin = pageWidth - (layerWidth + horMargin);
	floatLyr = new layerObject('floatLayer', horMargin );
	window.setInterval("main()", interval)
}
function floatObject() {
	// if (ns4 || ns6) {
	if (is_nav4 || is_nav6 || is_gecko) {
		findHt = window.innerHeight;
	// } else if(ie4) {
	} else if(is_ie4up || is_opera5up) {
		findHt = document.body.clientHeight;
	}
} 
function main() {
	if (is_nav4) {
		this.currentY = document.layers["floatLayer"].top;
		this.scrollTop = window.pageYOffset;
		mainTrigger();
	} else if(is_nav6 || is_gecko) {
		this.currentY = parseInt(document.getElementById('floatLayer').style.top);
		this.scrollTop = scrollY;
		mainTrigger();
	} else if(is_ie4up || is_opera5up) {
		this.currentY = floatLayer.style.pixelTop;
		this.scrollTop = document.body.scrollTop;
		mainTrigger();
	}
}
function mainTrigger() {
	var newTargetY = this.scrollTop + this.vertMargin;
	if ( this.currentY != newTargetY ) {
		if ( newTargetY != this.targetY ) {
			this.targetY = newTargetY;
			floatStart();
		}
		animator();
   }
}
function floatStart() {
	var now = new Date();
	this.A = this.targetY - this.currentY;
	this.B = Math.PI / ( 2 * this.slideTime );
	this.C = now.getTime();
	if (Math.abs(this.A) > this.findHt) {
		this.D = this.A > 0 ? this.targetY - this.findHt : this.targetY + this.findHt;
		this.A = this.A > 0 ? this.findHt : -this.findHt;
	} else {
	this.D = this.currentY;
	}
}
function animator() {
	var now = new Date();
	var newY = this.A * Math.sin( this.B * ( now.getTime() - this.C ) ) + this.D;
	newY = Math.round(newY);
if (( this.A > 0 && newY > this.currentY ) || ( this.A < 0 && newY < this.currentY )) {
	if ( is_ie4up  || is_opera5up )document.all.floatLayer.style.pixelTop = newY;
	if ( is_nav4 )document.layers["floatLayer"].top = newY;
	if ( is_nav6 ||  is_gecko )document.getElementById('floatLayer').style.top = newY + "px";
	   }
}
function start() {
if(is_nav6||is_nav4 || is_gecko) {
	pageWidth = innerWidth;
	pageHeight = innerHeight;
	layerSetup();
	floatObject();
}
else if(is_ie4up || is_opera5up) {
	pageWidth = document.body.clientWidth;
	pageHeight = document.body.clientHeight;
	// alert (pageWidth + " :: " + pageHeight  );
	layerSetup();
	floatObject();
   }
}