function positionMenu(divName, leftPosition) {
	if (document.layers) {
		var winWidth = window.innerWidth;
		if (winWidth < 762) {
			document.layers[divName].left = leftPosition;
		} else {
			document.layers[divName].left = Math.floor((winWidth - 762)/2) + leftPosition;
		}
	} else if (document.getElementById) {
		if (browser.isIE || browser.isOpera) {
			if (browser.isMac && browser.isIE5up) {
				var originalWidth = document.body.clientWidth;
				}
			function reloadPage() {
				if (document.body.clientWidth != originalWidth)
					location.reload();
				}
			if (browser.isMac && browser.isIE5up) onresize = reloadPage;	
			var winWidth = document.body.clientWidth;
		} else if (browser.isGecko || browser.isSafari) {
			var winWidth = document.body.offsetWidth;
		}
		if (winWidth < 762) {
			document.getElementById(divName).style.left = leftPosition;
		} else {
			document.getElementById(divName).style.left = Math.floor((winWidth - 762)/2) + leftPosition;
		}
	} else if (document.all) {
		var winWidth = document.body.offsetWidth;
		if (winWidth < 762) {
			document.all[divName].style.left = leftPosition;
		} else {
			document.all[divName].style.left = Math.floor((winWidth - 762)/2) + leftPosition;
		}
    }
}