function bigImageOver(pstrSource, pintWidth, pintHeight)
{
	if (document.getElementById)
	{	document.images.imgMouseOver.width = pintWidth;
		document.images.imgMouseOver.height = pintHeight;
		document.images.imgMouseOver.src = '/images/mouseover/' + pstrSource;
		document.getElementById('imagemouseoverPanel').style.left = Math.floor((screen.availWidth - pintWidth) / 2)
		document.getElementById('imagemouseoverPanel').style.top = Math.floor((screen.availHeight - pintHeight) / 2)
		document.getElementById('imagemouseoverPanel').style.visibility = 'visible';
	}
}
function bigImageOut()
{
	if (document.getElementById)
	{	document.getElementById('imagemouseoverPanel').style.visibility = 'hidden';
	}
}