var counter = 0;
var spinnerText;

function initializeSpinner(oParentContainer)
	{
		// Box for display of select value
		var oSpinnerBox;
		// selected <option> element
		var oSpinnerSelect;
		for (n=0; n<oParentContainer.all.length; n++)
		{
			var obj = oParentContainer.all[n];
			if (obj.MCSpinnerSelect == "true") oSpinnerSelect = obj;
			if (obj.MCSpinnerBox == "true") oSpinnerBox = obj;
		}
		var oSpinnerOptSelected = oSpinnerSelect.options[oSpinnerSelect.selectedIndex];
		if (oSpinnerOptSelected == null) oSpinnerOptSelected = oSpinnerSelect.options[0];
		// show selected option in Spinner box
		oSpinnerBox.innerText = oSpinnerOptSelected.innerText;
	}

function setSpinner()
	{
		// button user clicked
		var oClickedBtn = event.srcElement;
		// direction (up/down) to move selections, based on button clicked
		var direction
		if (oClickedBtn.MCSpinnerPlus=="true")direction = "down";
		else direction = "up";
		// identifyl all the elements of the spinner; these include
		// parent container, plus btn, minus btn, box for display of value, and hidden <select> element.
		// Parent container
		//var oParentContainer = .parentElement // change this
		oParentContainer = getSpinnerParent(oClickedBtn);

		// Box for display of select value
		var oSpinnerBox;
		// selected <option> element
		var oSpinnerSelect;
		// Plus btn
		var oSpinnerPlus;
		//Minus btn
		var	oSpinnerMinus;
		// selected <option> in <select>
		var oSpinnerOptSelected;
		// spinner box is parent of <select>
		//spinnerBox = oClickedBtn.parentElement;
		// find values for all of above, based on their CSS class names
		for (i=0; i<oParentContainer.all.length; i++)
		{
			var obj = oParentContainer.all[i];
			// MCSpinnerPlus and MCSpinnerMinus are custom properties set in the HTML tags
			// to mark the items as spinner buttons
			if (obj.MCSpinnerPlus == "true") oSpinnerPlus = obj;
			if (obj.MCSpinnerMinus == "true") oSpinnerMinus = obj;
			if (obj.MCSpinnerSelect == "true") oSpinnerSelect = obj;
			if (obj.MCSpinnerBox == "true") oSpinnerBox = obj;
		}


		// find selected option
		oSpinnerOptSelected = oSpinnerSelect.options[oSpinnerSelect.selectedIndex];
		// variable for next option to display
		var oNextOpt;
		// set value for next option to display, based on direction (up/down) button clicked
		if (direction == "down") oNextOpt = oSpinnerOptSelected.nextSibling;
		else oNextOpt = oSpinnerOptSelected.previousSibling;
		// if you are on first or last option, oNextOpt might not be valid. If not, stay on current option
		if (oNextOpt == null || oNextOpt.tagName == null)
		{
			oNextOpt = oSpinnerOptSelected;
		}
		// set oNextOpt as selected element
		oNextOpt.selected = true;
		// (remember, the real select box is invisible) Show selection contents in spinner box
		oSpinnerBox.innerText = oNextOpt.innerText;
		// if there is no next sibling for new selected option, you are at the end, so disable plus btn
		if (oNextOpt.nextSibling == null || oNextOpt.nextSibling.tagName == null)
		{
			disableBtn(oSpinnerPlus);
			oCurFocus = oSpinnerMinus;
			oSpinnerMinus.focus();
		}
		// else make sure plus btn is enabled
		else enableBtn(oSpinnerPlus)
		// if there is no previous sibling for new selected option, you are at the beginning, so disable minus btn
		if (oNextOpt.previousSibling == null || oNextOpt.previousSibling.tagName == null)
		{
			 disableBtn(oSpinnerMinus);
			 oCurFocus = oSpinnerPlus;
			 oSpinnerPlus.focus();
		}
		// else make sure minus btn is enabled
		else enableBtn(oSpinnerMinus);
	}
	function getSpinnerParent(btn)
	{
		var oTempObj = btn;
		for (i=0; i<5000; i++)
		{
			 oTempObj = oTempObj.parentElement;
			if (oTempObj.MCSpinnerContainer == "true")
			{
				return oTempObj;
				break;
			}
			if (oTempObj.tagName == "BODY") return null;
		}
	}
	function disableBtn(obj)
	{
		obj.MCTempUnFocusable = "true";
		obj.style.filter = "alpha (opacity = 30)";
	}
	function enableBtn(obj)
	{
		// remove temporary unfocusability
		if (obj.MCTempUnFocusable == "true") obj.MCTempUnFocusable = "false";
		// remove transparency filter
		obj.style.filter = "none";
	}