startList = function() {
	if (document.all&&document.getElementById) {
		navRoot = document.getElementById("nav");
		for (i=0; i<navRoot.childNodes.length; i++) {
			node = navRoot.childNodes[i];
			if (node.nodeName=="LI") {
				node.onmouseover=function() {
					this.className+=" over";
				}
				node.onmouseout=function() {
					this.className=this.className.replace(" over", "");
				}
			}
		}
	}
}
window.onload=startList;

function show_hide_photo_options()
{
	var photograph = document.getElementById('photo').checked;

	if (photograph == true)
	{
		document.getElementById('photo_span').style.display = '';
	}
	else
	{
		document.getElementById('photo_span').style.display = 'none';	
	}
}

function validateForm(minValue)
{
	if (document.getElementById('quantitybox').value < minValue)
	{
		alert("The minimum order for this product is " + minValue);
		return false;
	}

	return true;
}

function show_hide_alt_delivery()
{
	if (document.getElementById('alt_delivery').checked == true)
	{
		document.getElementById('alt_delivery_box').style.display = '';
	}
	else
	{
		document.getElementById('alt_delivery_box').style.display = 'none';
	}
}