var wHeight;
var pPos;
var divheight;
var div2height;
		
function setup() {
	windowStats();
	layerStats();
	updater();
	positionLayer();
		if (GetCookie('toggle') >= 0 && GetCookie('toggle') <=1) {
			passer = GetCookie('toggle');
		} else {
			passer = 0;
		}
	toggle(passer);
}

function updater() {
	if (document.all) {
		window.onscroll = positionLayer;
	} else {
		setInterval('positionLayer()', 25);
	}
}

function windowStats() {
	if (document.all) {
		wHeight = document.body.clientHeight;
		pPos = document.body.scrollTop;
	} else {
		wHeight = window.innerHeight;
		pPos = pageYOffset;

	}
	//alert('wHeight:' + wHeight + 'pPos:' + pPos);
}

function layerStats() {
	if (document.all  || ((navigator.userAgent.toLowerCase().indexOf('safari')!=-1)&&(navigator.userAgent.toLowerCase().indexOf('mac')!=-1))) {
		divheight = (cb_getElement("mLayer0").clientHeight);
		div2height = (cb_getElement("mLayer1").clientHeight);
	} else {
		
		divheight = (cb_getElement("mLayer0").offsetHeight);
		div2height = (cb_getElement("mLayer1").offsetHeight);

		
	}
	if (divheight == undefined) {
		//alert('undefined!');
		divheight = (cb_getElement("mLayer0").document.height)
		div2height = (cb_getElement("mLayer1").document.height)
	}
}

function positionLayer() {
	if (document.all) {
		//alert('wheight'+ wHeight + 'divheight' + divheight + 'scrolltop' + document.body.scrollTop);
		cb_getElementStyle("mLayer0").top = wHeight - divheight - 5 + document.body.scrollTop;
		cb_getElementStyle("mLayer1").top = wHeight - div2height - 5 + document.body.scrollTop;
	} else {
		//alert('wheight'+ wHeight + 'divheight' + divheight + 'Voffset' + window.pageYOffset);
		cb_getElementStyle("mLayer0").top = wHeight - divheight - 10 + window.pageYOffset;
		cb_getElementStyle("mLayer1").top = wHeight - div2height - 10 + window.pageYOffset;
	}
}

function toggle(num) {
	for (i=0; i<2; i++) {
		if (i==num) {
			cb_getElementStyle("mLayer"+i).visibility = "visible";
		} else {
			cb_getElementStyle("mLayer"+i).visibility = "hidden";
		}
	}
	SetCookie('toggle',num);
	
}