function $(i) {
	var r = null;
	if (typeof i != "undefined" && i) r = document.getElementById(i);
	return r;
}
function srAddEvent(obj, type, fn)
{ 
	if (obj.addEventListener)
		obj.addEventListener(type, fn, false);
	else if (obj.attachEvent)
		obj.attachEvent( "on"+type, fn );
}
srAddEvent(window, 'load', leftIe);
srAddEvent(window, 'resize', leftIe);
function leftIe() {
	var agent = navigator.userAgent.toLowerCase();
	var ie = (agent.indexOf("msie 6.0")!=-1&&agent.indexOf("opera")==-1);
	var main = $('main');
	var mainWidht = main.offsetWidth;
	var left = $('left');
	if(ie) {
		left.style.marginLeft = '-' + mainWidht + 'px';
	}
}