defaultStatus="Star Trek: On Screen";

browser = navigator.appName;
version = parseInt(navigator.appVersion);

function browsercheck()
{
	if(version<4)
	{
		prompt('We recommend you use Internet Explorer 4 or above to view this site.\nDownload Internet Explorer 5 here:','http://www.microsoft.com');
	}
}

function change(number)
{
	imageChange('lighton.gif',number);
}

function changeoff(number)
{
	imageChange('lightoff.gif',number);
}

function imageChange(file,number)
{
	if(version>=4)
	{
		document.images[number].src=file;
	}
}