function setVariablesIE() 
	{
	object="object1";
	v=".pixelTop=";
	vv=".pixelLeft=";
	dS="";
	sD=".style";
	y="document.body.scrollTop";
	l="document.body.offsetWidth";
	}

function setVariablesNS()
	{
	object="object1";
	v=".top=";
	vv=".left=";
	dS="document.";
	sD="";
	y="window.pageYOffset";
	l="window.innerWidth";
	}

function setVariablesNSb()
	{
	object="getElementById('object1')";
	v=".top=";
	vv=".left=";
	dS="document.";
	sD="";
	y="window.pageYOffset";
	l="window.innerWidth";
	}

function TestNavigateur() 
	{
	if (navigator.appName == "Netscape" && parseFloat(navigator.appVersion) >= 5)
		{
		setVariablesNSb();
		checkLocation();
		}
	if (navigator.appName == "Netscape" && parseFloat(navigator.appVersion) < 5)
		{
		setVariablesNS();
		checkLocation();
		}
	if (navigator.appName == "Microsoft Internet Explorer")
		{
		setVariablesIE();
		checkLocation();
		}
	}

function checkLocation() 
	{
	if (eval(y) <= 240)
		{
		yy=eval(240);
		eval(dS+object+sD+v+yy);
		ll=((eval(l)-800)/2)+20;
		eval(dS+object+sD+vv+ll);
		setTimeout("checkLocation()",10);
		}
	else
		{
		yy=eval(y);
		eval(dS+object+sD+v+yy);
		ll=((eval(l)-800)/2)+20;
		eval(dS+object+sD+vv+ll);
		setTimeout("checkLocation()",10);
		}
	}