var numOfButtons = 8;
function rollOver(image_id)
{
	document.body.style.cursor = 'pointer';
	if(document.getElementById(image_id).src != 'http://www.coolermaster-usa.com/landing/sentinel_advance/'+image_id+'_current.png')
	{
		document.getElementById(image_id).src = 'http://www.coolermaster-usa.com/landing/sentinel_advance/'+image_id+'_on.png';
	}
}
function rollOut(image_id)
{
	document.body.style.cursor = 'default';
	if(document.getElementById(image_id).src != 'http://www.coolermaster-usa.com/landing/sentinel_advance/'+image_id+'_current.png')
	{
		document.getElementById(image_id).src = 'http://www.coolermaster-usa.com/landing/sentinel_advance/'+image_id+'_off.png';
	}
}
function switchImage(image)
{
	document.getElementById('image').innerHTML = '<img src="http://www.coolermaster-usa.com/landing/sentinel_advance/gallery/'+image+'.jpg" />';
}