var nAgt					= navigator.userAgent;
var nVer					= navigator.appVersion;
var browserName  		= '';
var fullVersion  		= 0;
var majorVersion 		= 0;
var firstLoad       = true;
var BodyAltezza     = 0;
var BodyVisible     = 0;

// In Internet Explorer, the true version is after "MSIE" in userAgent
if ((verOffset=nAgt.indexOf("MSIE"))!=-1)
{
	browserName  = "IE";
	fullVersion  = parseFloat(nAgt.substring(verOffset+5));
	majorVersion = parseInt(''+fullVersion);
}

// In Opera, the true version is after "Opera"
else if ((verOffset=nAgt.indexOf("Opera"))!=-1)
{
	browserName  = "Opera";
	fullVersion  = parseFloat(nAgt.substring(verOffset+6));
	majorVersion = parseInt(''+fullVersion);
}

// In most other browsers, "name/version" is at the end of userAgent
else if ( (nameOffset=nAgt.lastIndexOf(' ')+1) < (verOffset=nAgt.lastIndexOf('/')) )
{
	browserName  = nAgt.substring(nameOffset,verOffset);
	fullVersion  = parseFloat(nAgt.substring(verOffset+1));
	if
		(!isNaN(fullVersion)) majorVersion = parseInt(''+fullVersion);
	else
		{fullVersion  = 0; majorVersion = 0;}
}

// Finally, if no name and/or no version detected from userAgent...
if (browserName.toLowerCase() == browserName.toUpperCase()
	|| fullVersion==0 || majorVersion == 0 )
{
	browserName  = navigator.appName;
	fullVersion  = parseFloat(nVer);
	majorVersion = parseInt(nVer);
}




function floatban()
{
	var bannername = 'vadsense';	

	if( firstLoad )
	{
		firstLoad	= false;
		BodyAltezza = document.body.scrollHeight;
		BodyVisible = screen.height;
	}

	for(o=0; o<3; o++)
	{
		var idobj = document.getElementById(bannername+o);
		
		if(idobj==null)
			break;
				
		if(browserName == 'IE')
		{
		    if(majorVersion == '7')
		    {
				if(document.documentElement.scrollTop > 192 )
				{
					if(document.documentElement.scrollTop+(BodyVisible-10) < BodyAltezza)
						idobj.style.top = document.documentElement.scrollTop;
				}
				else
					idobj.style.top = 192;
		
			}
			else
			{
				if(document.body.scrollTop > 190)
				{
					if(document.body.scrollTop+(BodyVisible-10) < BodyAltezza)
						idobj.style.top = document.body.scrollTop;
				}
				else
					idobj.style.top = 190;	
			}
		}
		else if(browserName == 'Opera')
		{
			if(document.documentElement.scrollTop > 192)
			{
				if(document.documentElement.scrollTop+(BodyVisible-10) < BodyAltezza)
					idobj.style.top = document.documentElement.scrollTop;
			}
			else
				idobj.style.top = 192;
		}
		else
		{
			if(pageYOffset > 190)
			{
				if(pageYOffset+(BodyVisible-40) < BodyAltezza)
					idobj.style.top = pageYOffset+ 'px';
			}
			else
				idobj.style.top = '190x';
		}
	}
}