function adjustMargin()
{
	var winW = 630;
	if (parseInt(navigator.appVersion)>3)
	{
	 if (navigator.appName=="Netscape")
	  winW = window.innerWidth;

	 if (navigator.appName.indexOf("Microsoft")!=-1)
	  winW = document.body.offsetWidth;
	}
	stMargin = (winW - 780)/2;
	if (stMargin <=0)
		stMargin = "5";
	
	stMar = "10px "+stMargin+"px";

	document.getElementsByTagName('body')[0].style.margin=stMar;
	document.getElementsByTagName('body')[0].style.backgroundPosition=stMargin+"px -2px";
}