// JavaScript Document

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

var state = 'none';

function showhide(layer_ref)
{
	oElement = document.getElementById(layer_ref);

	if (oElement.style.display == 'none')
		oElement.style.display = 'block';
	else
		oElement.style.display = 'none';
}

function hideElement(reference)
{
	document.getElementById(reference).style.display = "none";
}

function showElement(reference)
{
	document.getElementById(reference).style.display = "block";
}

function switchClass(id, className)
{
	document.getElementById(id).className = className;
}

function switchNavigation(sItemClicked)
{
	var oElement = document.getElementById(sItemClicked);

	if (sItemClicked == 'brand')
	{
		if (oElement.style.display == 'none')
		{
			oElement.style.display = 'block';
			document.getElementById('type').style.display = 'none';
		}
		else
		{
			// switch internal brand elements
			if (document.getElementById('current_brand_nav'))
			{
				if (document.getElementById('current_brand_nav').style.display == 'none')
				{
					document.getElementById('current_brand_nav').style.display 	= 'block';
					document.getElementById('all_brand_nav').style.display 			= 'none';
				}
				else
				{
					document.getElementById('current_brand_nav').style.display 	= 'none';
					document.getElementById('all_brand_nav').style.display 			= 'block';
				}
			}
			//else
			//{
			//	oElement.style.display = 'none';
			//	document.getElementById('type').style.display = 'block';
			//}
		}

		switchClass('tabManufacturer', 'active');
		switchClass('tabType', '');
	}
	else
	{
		// clicked the type tab
		if (oElement.style.display == 'none')
		{
			oElement.style.display = 'block';
			document.getElementById('brand').style.display = 'none';
		}

		switchClass('tabManufacturer', '');
		switchClass('tabType', 'active');
		//else
		//{
		//	oElement.style.display = 'none';
		//	document.getElementById('brand').style.display = 'block';
		//}
	}

}

function toggleOnOffText(iProduct)
{
	var oDiv = document.getElementById('response' + iProduct);

	if (oDiv.innerHTML == 'Click to show')
		oDiv.innerHTML = 'Click to remove';
	else
		oDiv.innerHTML = 'Click to show';
}

function setSpoolQuantity()
{
	var iQuantity = $('reel_quantity').value;

	$('spool_quantity').value = iQuantity;
}

function setBillingAddress(bChecked, sType)
{
	if (bChecked == true) {
		switch (sType) {
		case 'delivery' :
			var sArrayPrefix = 'delivery';
			break;
		case 'home' :
			var sArrayPrefix = 'home';
			break;
		}
	} else {
		var sArrayPrefix = 'billing';
	}

	for (i = 1; i <= 3; i++)
	{
		$('address['+i+']').value = $(sArrayPrefix + '[address]['+i+']').value;
	}

	$('address[city]').value 			= $(sArrayPrefix + '[city]').value;
	$('address[postcode]').value	= $(sArrayPrefix + '[postcode]').value;
	$('address[country]').value 	= $(sArrayPrefix + '[country_id]').value;

}

function add_to_basket_check()
{
	if ($('form_submit_button').getAttribute("disabled") == "disabled")
	{
		alert('invalid');
	}
}