function updateAvailability(elementID, productRef, productQty, lockID, anURL)
	{
		document.getElementById(elementID).innerHTML = document.getElementById('prodinfoload').innerHTML;
		disableField(lockID,'true');
		disableAddButton('true');
		disableCheckButtons('true');
		var formparams = {};
		formparams['ProductRef'] = productRef;
		formparams['ProductQty'] = productQty;
		$.ajax({
		type: "POST",
		url: anURL,
		data: formparams,
		dataType: "html",
		success: function(html) {
			document.getElementById(elementID).innerHTML = html;
			var changedid = "changed_" + lockID; 
			if (undefined != document.getElementById(changedid))
			{
				document.getElementById(lockID).value = document.getElementById(changedid).innerHTML; 
			}
			document.getElementById("last_" + lockID).value =
				document.getElementById(lockID).value;
				
			var taxpriceid = "changed_PriceTaxFlag_" + elementID;
			if (undefined != document.getElementById(taxpriceid) && 
					undefined != document.getElementById("PriceTaxFlag"))
			{
				document.getElementById("PriceTaxFlag").innerHTML = document.getElementById(taxpriceid).innerHTML; 
			}
			var taxpricemode = "save_PriceTaxFlag_" + elementID;
			
			if (undefined != document.getElementById(taxpricemode) && 
					undefined != document.getElementById("ProductTaxFlag"))
			{
				document.getElementById("ProductTaxFlag").value = document.getElementById(taxpricemode).innerHTML;
			}
				 
			disableField(lockID,'false');
			disableAddButton('false');
			disableCheckButtons('false');
		},
		error: function(req, stat, error) {
			disableField(lockID,'false');
			disableAddButton('false');
			disableCheckButtons('false');
		}
		});
	}
	
	function updatePrice(checkButtonID, elementID, productRef, productQty, lockID, anURL)
	{
		if (document.getElementById(checkButtonID).style.display == 'none')
		{
			return false;
		}
		document.getElementById(elementID).innerHTML = document.getElementById('prodinfoload').innerHTML;
		disableField(lockID,'true');
		disableAddButton('true');
		disableCheckButtons('true');
		var formparams = {};
		formparams['ProductRef'] = productRef;
		formparams['ProductQty'] = productQty;
		$.ajax({
		type: "POST",
		url: anURL,
		data: formparams,
		dataType: "html",
		success: function(html) {
			document.getElementById(elementID).innerHTML = html;
			
			if (undefined != document.getElementById('price_request_'+productRef))
			{
				document.getElementById(checkButtonID).style.display = 'none'; 
			}
			document.getElementById("last_" + lockID).value =
				document.getElementById(lockID).value;
			disableField(lockID,'false');
			disableAddButton('false');
			disableCheckButtons('false');
		},
		error: function(req, stat, error) {
			disableField(lockID,'false');
			disableAddButton('false');
			disableCheckButtons('false');
		}
		});
	}
	
	function updatePriceAvailability(elementID, productRef, productQty, anURL)
	{
		var formparams = {};
		formparams['ProductRef'] = productRef;
		formparams['ProductQty'] = productQty;
		$.ajax({
		type: "POST",
		url: anURL,
		data: formparams,
		dataType: "html",
		success: function(html) {
			document.getElementById(elementID).innerHTML = html;
		}
		});
	}
	
	function isIE6()
	{
		return navigator.appVersion.toLowerCase().indexOf("msie 6.") > 0;
	}