function goInStock(id) {

	var outOfStock = document.getElementById('outofstockline' + id);

	var inStock = document.getElementById('addtobasketline' + id);

	var outOfStockMessage = document.getElementById('outofstockmessage' + id);

	outOfStock.style.display = 'none';

	outOfStock.style.visibility = 'hidden';

	outOfStockMessage.style.display = 'none';

	outOfStockMessage.style.visibility = 'hidden';

	inStock.style.display = '';

	inStock.style.visibility = 'visible';

	

	//#### PINDAR : KW : 24/09/08 : Show Price Line If Available



	if (document.getElementById('pricesField')!=null)

	{

		var PriceLine = document.getElementById('pricesField');

		PriceLine.style.display = '';

		PriceLine.style.visibility = 'visible';

	}

	

}



function goOutOfStock(id) {

	var outOfStock = document.getElementById('outofstockline' + id);

	var inStock = document.getElementById('addtobasketline' + id);

	var outOfStockMessage = document.getElementById('outofstockmessage' + id);

	inStock.style.display = 'none';

	inStock.style.visibility = 'hidden';

	outOfStockMessage.style.display = '';

	outOfStockMessage.style.visibility = 'visible';

	outOfStock.style.display = '';

	outOfStock.style.visibility = 'visible';

	

	//#### PINDAR : KW : 24/09/08 : Hide Price Line If Not Available

	//#### PINDAR : KW : Don't want to show this as most prices will

	//#### PINDAR : KW : Show as 99999.00 Which look bad! So, we

	//#### PINDAR : KW : hide the text and input field

	if (document.getElementById('pricesField')!=null)

	{	

		var PriceLine = document.getElementById('pricesField');

		PriceLine.style.display = 'none';

		PriceLine.style.visibility = 'hidden';

	}

}

								

function ExtractNum(stringNo) 

{

	//Pindar - KW - Do we need to change the price? We only need to do this if there's a price break

	// The existing code will update anything that's numeric!

	if(stringNo.indexOf("+")==0 || stringNo.indexOf("+")>0)

	{

	//We're doing string functions to make sure that we're getting the price after "(+" of each option labels

	stringNo = stringNo.slice(stringNo.lastIndexOf("(+"),stringNo.length);

	

	var parsedNo = ""; 

	for(var n=0; n<stringNo.length; n++) 

	{

		var i = stringNo.substring(n,n+1); 

		if(i=="1"||i=="2"||i=="3"||i=="4"||i=="5"||i=="6"||i=="7"||i=="8"||i=="9"||i=="0"||i==".")

		parsedNo += i; 

	} 

	if (parsedNo.length > 0) { 

	return parsedNo;} else {return 0;}

	}

	else

	{return 0;}

	}

 	



function checkStock(id,outOfStockItems, CustomerPrices, ProductID) {

	// Build up out options selections

	var txtPrice = document.getElementById('txtPrice' + id);

	var origPrice = document.getElementById('origPrice' + id);

	var txtPriceEx = document.getElementById('txtPriceEx' +id);

	

	//Pindar - KW - Variable for Option - default to select box

	var OptionDisplayType="select-one";

	

	var selections = new Array();

	var selectionCount = 0;

	var numOptionsTotal = 0;

	for (i=0;i<document.getElementById('options' + id).elements.length;i++) {

		var element = document.getElementById('options' + id).elements[i];

		if(element.name.substring(0,6)=='OPT_ID') {

			switch(element.type)

			{

				case 'checkbox':

					// is this checkbox selected?

					if(element.checked == true) {

						//Pindar - KW - Set the Option Type

						OptionDisplayType="checkbox";

						// use this ID

						selections[selectionCount]=element.value;

						selectionCount++;

						// find all labels

						

						var labels = document.getElementsByTagName('label');

						// loop through all label elements

							

						for (var m = 0; m < labels.length; m++) 

							{var label = labels[m];

							 var labelFor = label.htmlFor;

							 if (labelFor == element.id) 

							 			{

										numOptionsTotal = numOptionsTotal + parseFloat(ExtractNum(label.innerHTML));

								

										}							

							}

					} else {

						// otherwise we have to get out the nocheckvalue

						var nocheck = document.getElementById('options' + id).elements['NOCHECK_' + element.name]

						//Pindar - KW - Set the Option Type

						OptionDisplayType="checkbox";

						selections[selectionCount]=nocheck.value;

						selectionCount++;

					}

					break;

					

				case 'radio':

					if(element.checked == true) {

						selections[selectionCount]=element.value;

						//Pindar - KW - Set the Option Type

						OptionDisplayType="radio";

						selectionCount++;

						// find all labels

						var labels = document.getElementsByTagName('label');



						// loop through all label elements



						for (var m = 0; m < labels.length; m++) 

							{

								var label = labels[m];



								var labelFor = label.htmlFor;

								if (labelFor == element.id) 

								{

									numOptionsTotal = numOptionsTotal + parseFloat(ExtractNum(label.innerHTML));



								}							

							

							}

					}

					break;

					

				case 'select-one':

					var Index = element.selectedIndex;

					selections[selectionCount]=element.value;

					//Pindar - KW - Set the Option Type

						OptionDisplayType="select-one";

					selectionCount++;

					numOptionsTotal = numOptionsTotal + parseFloat(ExtractNum(element.options[Index].text));

					break;



				default:

					break;

					

			}

			

		}



	}

	

	// Are we doing pricing? Not used for default site and gives an error if called

	if(origPrice!=null)

	{

		

			txtPrice.value=(parseFloat(origPrice.value) +  parseFloat(numOptionsTotal)).toFixed(2);



			if (txtPriceEx != null){

				var numTax = document.getElementById('numTax' + id);

				txtPrice.value = (txtPrice.value * numTax.value).toFixed(2);

				



			}

	}

	

		

				//Pindar KW - Check if we need to sort

			if(OptionDisplayType=='radio')

			{	

				

				//sort the options - if we do this on select boxes it breaks!

				selections = (selections.sort());

			}

			

			var selection = selections.join('-');

			var isOutOfStock = false;

			

			// Does this combination exist in out outofstock array?

			for(i=0; i<outOfStockItems.length; i++) {

				if(outOfStockItems[i]==selection) {

					isOutOfStock = true;

					break;

				}

			}

			

		

			if(isOutOfStock) {

				goOutOfStock(id);



			} else {

				goInStock(id);



			}

			

			// see if we need to update the pricing information for the customer group

			// Loop through the customer price array

			if(origPrice!=null)

	{	

				var i;

				for(i=0; i<CustomerPrices.length; i++)

				{

				// Split the options [0] from the price [1]

				var OptionPriceArray = CustomerPrices[i].split('|');

				// Does the price option match the selected form fields?

			//	alert(OptionPriceArray[0]+" :: "+selection);

				if(OptionPriceArray[0]==selection)

					{

					//The option matches so we update the price

					// Update Price INC. VAT

					if (txtPrice != null)

					{

					txtPrice.value=OptionPriceArray[1]		

					}

					// Do we need to update the EXC. Tax? This field won't

					// exist if the site isn't set to show prices exc. VAT so first

					// check it's there to update or we'll get a javascript error

						if (txtPriceEx != null)

							{

								// The exc. text field is there

								txtPriceEx.value = (txtPrice.value * numTax.value).toFixed(2);

								alert(txtPriceEx.value);

							}



					}

			}

				

	}

	

//#### PINDAR : KW : See if the options selected are available or not.

//#### PINDAR : KW : need to replace "," in selections with "|" to 

//#### PINDAR : KW : Match the data in the available options array



UserSelectedOptions = selections.toString();



//UserSelectedOptions = UserSelectedOptions.replace(/,/g,"|");

//var HaveProduct = false;



//var kt;

//for(kt=0; i<AvailableOptions.length; kt++)

//{

//	if(UserSelectedOptions==AvailableOptions[i])

//	{

//	HaveProduct = true;

//	}

//}



// Are we already out of stock for this customer? If we are then

// We don't need to check this as it may overwrite the previous

// Out Of Stock control

if(isOutOfStock == false)

{

	var PageURL="/includes/-Pindar_CheckProduct.asp";

	var QueryString = "OptionGroups="+selectionCount+"&ProductID="+ProductID+"&Selection="+UserSelectedOptions;

    var xmlHttpReq = false;

	var self = this;

    // Mozilla/Safari

    if (window.XMLHttpRequest) {

        self.xmlHttpReq = new XMLHttpRequest();

    }

    // IE

    else if (window.ActiveXObject) {

        self.xmlHttpReq = new ActiveXObject("Microsoft.XMLHTTP");

    }

   	self.xmlHttpReq.open("POST", PageURL, true);

  	self.xmlHttpReq.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded; charset=UTF-8');

  	self.xmlHttpReq.setRequestHeader("Content-length", QueryString.length);

	

    self.xmlHttpReq.onreadystatechange = function() {

    //	if (self.xmlHttpReq.readyState == 1) {

     //      	document.getElementById('outofstockmessage' + id).innerHTML = "Wait";

	// }	

        if (self.xmlHttpReq.readyState == 4) {

            //document.getElementById('outofstockmessage' + id).innerHTML = self.xmlHttpReq.responseText;

             UpdatePage(self.xmlHttpReq.responseText, id);			

        }

    }

	self.xmlHttpReq.send(QueryString);



}







	//#### PINDAR : KW : 24/09/08 : See if we need to make this item

	//#### PINDAR : KW : Appear as Out Of Stock - Versions/Combinations that aren't

	//#### PINDAR : KW : In the versions table appear with a price of '99999.00' so

	//#### PINDAR : KW : If we have that value in the price field, we hide it

		

	if(txtPrice!=null && txtPrice.value=='99999.00')

	{

		goOutOfStock(id);	

	}

}



function UpdatePage(ResponseText, id)

{

	if(ResponseText=="False")

	{

		goOutOfStock(id);

	}

	else

	{

		goInStock(id);

	}

}