var w=window, d=document, b="body", de="documentElement", width = 0;
function bodyWidth(){
	if (d[de]  && d[de].clientWidth){
		width = d[de].clientWidth;
	}
	if(width%2 ==0){
		d[b].style.marginLeft="0px";
	}else {
		d[b].style.marginLeft="1px";
	}
}
bodyWidth();
window.onresize=bodyWidth;