window.onload = resizeIfOdd;
window.onresize = forceBrowserEven;

function resizeIfOdd(){
	if(navigator.appName == "Microsoft Internet Explorer")
	{
		if(document.documentElement.clientWidth % 2 == 1) {
			document.getElementById('content_top').style.marginLeft = '0';
		} else {
			document.getElementById('content_top').style.marginLeft = '0';
		}	
	} else if(navigator.userAgent.toLowerCase().indexOf('chrome') > -1) {
		if(document.documentElement.clientWidth % 2 == 1) {
			document.getElementById('content_top').style.marginLeft = '1px';
		} else {
			document.getElementById('content_top').style.marginLeft = '0px';
		}											
	} else if (navigator.appName == "Netscape") {
		if(document.documentElement.clientWidth % 2 == 1) {
			document.getElementById('content_top').style.marginLeft = '-1px';
		} else {
			document.getElementById('content_top').style.marginLeft = '0px';
		}
	} else {
		if(document.documentElement.clientWidth % 2 == 1) {
			document.getElementById('content_top').style.marginLeft = '-1px';
		} else {
			document.getElementById('content_top').style.marginLeft = '1px';
		}
	}
};

function forceBrowserEven(){
	window.setTimeout('resizeIfOdd()',5);
};