window.onload = function()
{
 	new MultiBox('multibox', {descClassName: 'multiBoxDesc', useOverlay: 'true'});
}

function calcQuant(vpe)
{
	var x = $('vpe_count').value / vpe;
	if(Math.floor(x)!=x)x=x+0.5;
	$('products_qty').setProperty('value', x.round() );
	return false;
}