

<!--


function findLivePageHeight() {
	if (window.innerHeight != null)
  		return window.innerHeight;
	if (document.body.clientHeight != null)
  		return document.body.clientHeight;
		
	return (0);
} 


function changeImg() {


	var windowHeight = findLivePageHeight();

	if (windowHeight > 500 )
		document.introimg.src = "http://www.bigblackfootnets.com/images/intro_big.gif";
	else
		document.introimg.src = "http://www.bigblackfootnets.com/images/intro_small.gif";

}


//-->