var site_width = 672;
var screen_width = GetWidth();
//var screen_width = screen.width;
var new_margin = (screen_width - site_width) / 2;
//var new_margin = ((screen_width - site_width) / 2) - 20;

if(new_margin >= 0)
{
	var style = "position:relative; margin-left:"+new_margin+"px;";
	document.write("<style type=\"text/css\"> body {"+style+"}</style>");
}

//alert(new_margin);

//var objBody = document.getElementsByTagName("body").item(0);
//objBody.style = "<div id=\"js_wrap\" style=\""+style+"\">"+objBody.innerHTML+"</div>";
//objBody.innerHTML = "<div id=\"js_wrap\" style=\""+style+"\">"+objBody.innerHTML+"</div>";


function GetWidth()
{
	var x = 0;
	if (self.innerWidth)
	{
		x = self.innerWidth;
	}
	else if (document.documentElement && document.documentElement.clientWidth)
	{
		x = document.documentElement.clientWidth;
	}
	else if (document.body)
	{
		x = document.body.clientWidth;
	}
	return x;
}