function centerView() {
	wWidth = getWindowWidth();
	dWidth = getDocumentWidth();
	if(dWidth > wWidth) {
			document.documentElement.scrollLeft = Math.round((dWidth - wWidth) / 2);
	}
}

function addMyEvent(eventName, handler, object) {
	if(object.addEventListener) {
		object.addEventListener(eventName, handler, false);
	} else {
		object.attachEvent("on" + eventName, handler);
	}
}

function getWindowWidth() {
	if(window.innerWidth) {
		return window.innerWidth;
	} else {
		return document.documentElement.clientWidth;
	}
}

function getDocumentWidth() {
	return document.documentElement.scrollWidth;
}

addMyEvent("load", centerView, window);