// JavaScript Document

function popup(element)
{
	var style;
	
	if (typeof element == 'string')
	{
		element = document.getElementById ? document.getElementById(element) : null;
	}
	
	if (element && (style = element.style))
	{
		style.display = (style.display == 'none') ? 'block' : 'none';
	}
}

function gallery(frame, image)
{
	document.getElementById(frame).src = image;
}

function checkQuantity(id, maxqty, current)
{
	qty = document.getElementById(id).value;
	
	if (qty > maxqty)
	{
		document.getElementById(id).value = maxqty;
	}
	
	if (isNaN (qty))
	{
		document.getElementById(id).value = current;
	}
}