function defpopup(url,popname,w,h,scrbr)
{
	paramtrs="width="+w+",height="+h+",scrollbars="+scrbr;
	win = window.open(url, popname, paramtrs);
	win.focus(); // bring the pop-up window to the top of the desktop
}
window.onload = function()
{
	if(!document.getElementById) return;
	var f = document.getElementById('checkoutStage');
	if(f)
	{
		for(var i=0; i<f.elements.length; i++)
		{
			f.elements[i].onfocus = function() { help(this);}
			//f.elements[i].onmouseover = function() { help(this); }
			f.elements[i].onblur = function() { help();}
			/*
			f.elements[i].onfocus = function() { help(this); this.focused=true;}
			f.elements[i].onmouseover = function() { help(this); }
			f.elements[i].onmouseout = function() { if(!this.focused) help(); }
			f.elements[i].onblur = function() { help(); this.focused=false}
			*/
		}
	}
}
function help(elm)
{
	if(!document.getElementById) return;
	if(elm) var id = "h_" + elm.name;
	else var id = "default";
	var p = document.getElementById("helpPanel");
	if(!p) return;
	var divs = p.getElementsByTagName("div");
	for(var i=0; i<divs.length; i++)
		divs[i].style.display = "none";
	var d = document.getElementById(id);
	if(!d) document.getElementById("default").style.display = "block";
	else d.style.display = "block";
}
function Address(display, street, locality, town, county, postcode)
{
	this.display = display;
	this.flat_and_house_numbers = new Array();
	this.street = street;
	this.locality = locality;
	this.town = town;
	this.county = county;
	this.postcode = postcode;
	//addHNum renamed to speed up loading
	this.a = function(num)
	{
		this.flat_and_house_numbers[this.flat_and_house_numbers.length] = num;
	}
}
function lookupPostcode(f, type)
{
	var pCode = f.elements[type+'_postcode'].value;
	window.open('findAddress.php?postcode='+pCode+'&type='+type, 'findAddressFrame');
	var hidden = document.getElementsByTagName('tr');
	for(var i=0; i<hidden.length; i++)
	{
		if(hidden[i].className != type + '_hidden') continue;
		//alert();
		try
		{
			hidden[i].style.display = "table-row";
		}
		catch(e)
		{
			hidden[i].style.display = "block";
		}
	}
	if(document.getElementById(type + '_hint'))
		document.getElementById(type + '_hint').style.display = 'none';
}
function setNewCodes(codes)
{
	if(!document.getElementById) return;
}
function setAddress(type, addr)
{
	if(!document.getElementById) return;
	var f = document.getElementById('checkoutStage');
	if(!f) return;
	var s = f.elements[type+'choose_house_number'];
	if(!s) return;
	while(s.options.length) s.remove(0);
	var o;
	addr.flat_and_house_numbers[addr.flat_and_house_numbers.length] = "Manually Enter";
	for(var x=0; x<addr.flat_and_house_numbers.length; x++)
	{
		o = new Option(addr.flat_and_house_numbers[x], addr.flat_and_house_numbers[x]);
		try
		{
			s.add(o);
		}
		catch(e)
		{
			s.add(o, null);
		}
		//Setting an Option object's text automatically changes & to & so change it back
		o.innerHTML = o.innerHTML.replace(/amp;/, '');
	}
	s.options[s.options.length-1].className = 'manual';
	s.selectedIndex = 0;
	//Fill in the rest of the fields
	f.elements[type+'flat'].value = '';
	f.elements[type+'house_number'].value = '';
	f.elements[type+'street'].value = addr.street;
	f.elements[type+'locality'].value = addr.locality;
	f.elements[type+'town'].value = addr.town;
	f.elements[type+'county'].value = addr.county;
	if(!addr.flat_and_house_numbers.length)
		return;
	setHouseNumber(f.elements[type+'choose_house_number'], type);
	f.elements[type+'postcode'].value = addr.postcode;
}
function setHouseNumber(s, type)
{
	var v = s.options[s.selectedIndex].value;
	var f = s.form;
	if(v == 'Manually Enter')
	{
		f.elements[type+'flat'].value = '';
		f.elements[type+'house_number'].value = '';
		f.elements[type+'flat'].readOnly = false;
		f.elements[type+'house_number'].readOnly = false;
		f.elements[type+'street'].readOnly = false;
		f.elements[type+'locality'].readOnly = false;
		f.elements[type+'town'].readOnly = false;
		f.elements[type+'county'].readOnly = false;
		f.elements[type+'flat'].className = '';
		f.elements[type+'house_number'].className = '';
		f.elements[type+'street'].className = '';
		f.elements[type+'locality'].className = '';
		f.elements[type+'town'].className = '';
		f.elements[type+'county'].className = '';
	}
	else
	{
		var flat = '';
		var houseName = '';
		/*
		Flat only: FlatName
		House only: HouseName&nbsp;
		Flat and house: FlatName,&nbsp;HouseName
		*/
		if(v.indexOf(',&nbsp;') == -1)
		{
			//Only flat or house number
			if(v.indexOf('&nbsp;') == -1) flat = v;
			else houseName = v.substring(0, v.length-6);
		}
		else
		{
			//Flat and house number
			v = v.split(',&nbsp;');
			flat = v[0];
			houseName = v[1];
		}
		f.elements[type+'flat'].value = flat;
		f.elements[type+'house_number'].value = houseName;
		f.elements[type+'flat'].readOnly = true;
		f.elements[type+'house_number'].readOnly = true;
		f.elements[type+'street'].readOnly = true;
		f.elements[type+'locality'].readOnly = true;
		f.elements[type+'town'].readOnly = true;
		f.elements[type+'county'].readOnly = true;
		f.elements[type+'flat'].className = 'readOnly';
		f.elements[type+'house_number'].className = 'readOnly';
		f.elements[type+'street'].className = 'readOnly';
		f.elements[type+'locality'].className = 'readOnly';
		f.elements[type+'town'].className = 'readOnly';
		f.elements[type+'county'].className = 'readOnly';
	}
}
function triggerLookupPostcode(id, target)
{
	p = document.getElementById(id).value.replace(/\s/, '');
	if(p.length < 6) return;
	if(!p.match(/\d[a-z]{2}$/i)) return;
	lookupPostcode(document.getElementById(id).form, target);
}
function display(id, show)
{
	if(!document.getElementById) return;
	obj = document.getElementById(id);
	if(!obj) return;
	obj.style.display = show?"":"none";
}