/*start timer loop*/
function initMain(){
	var logoImg = document.getElementById('ndLogo');
	changeLogo();
}

/*randome the logo image*/
function changeLogo(){
	var logoImg = document.getElementById('ndLogo');
	var crrIndex = Math.random();
	if(crrIndex < 0.1)
		logoImg.src = 'images/nick_damon_1.gif';
	else if(crrIndex < 0.2)
		logoImg.src = 'images/nick_damon_2.gif';
	else if(crrIndex < 0.3)
		logoImg.src = 'images/nick_damon_3.gif';
	else if(crrIndex < 0.4)
		logoImg.src = 'images/nick_damon_4.gif';
	else if(crrIndex < 0.5)
		logoImg.src = 'images/nick_damon_5.gif';
	else if(crrIndex < 0.6)
		logoImg.src = 'images/nick_damon_6.gif';
	else if(crrIndex < 0.7)
		logoImg.src = 'images/nick_damon_7.gif';
	else if(crrIndex < 0.8)
		logoImg.src = 'images/nick_damon_8.gif';
	else if(crrIndex < 0.9)
		logoImg.src = 'images/nick_damon_9.gif';
	else
		logoImg.src = 'images/nick_damon_3.gif';
	var NDTimer = setTimeout("changeLogo()",5000);
}