//AJAX browser history support functions
	function useDhtmlHistory(){
		return (navigator.userAgent.toLowerCase().indexOf('safari') == - 1);
	}
	function initializeDhtmlHistory(methodName){
		if(useDhtmlHistory()){
			dhtmlHistory.initialize();
			dhtmlHistory.addListener(methodName);
		}
	}
	function addDhtmlHistory(keyName, keyValue){
		if(useDhtmlHistory()){
			dhtmlHistory.add(keyName, keyValue);
		}
	}

   //General AJAX Utils
	function reportError(msg){
		window.status = msg;
	}
	function getQueryStringParams(){
		var sUrl = window.location.href;
		var qsp = '';
		var ajaxQsp = sUrl.indexOf('#');
		if(ajaxQsp > 0){
			qsp = sUrl.substring(ajaxQsp + 1,sUrl.length);
			if(qsp=='') sUrl = sUrl.replace('#','');
		}
		var stdQsp = sUrl.indexOf('?');
		if(stdQsp > 0 && qsp=='') qsp = sUrl.replace('#','').substring(stdQsp + 1,sUrl.length);
		return qsp;
	}

   //AJAX functions
	function addSample(frm, prdId){
		var url = '/checkout/add_item.cmd';
		if(frm.elements){
			if(prdId!=null) frm.sampleProductId.value=prdId;
			frm.quantity.value="1";
			var pars = Form.serialize(frm);
			var myAjax = new Ajax.Updater('mysamples', url, {method: 'get', parameters: pars});
		} else {
			reportError("Error adding sample.");
		}
	}

	function addItemToWishList(frm, divToUpdate, formName){
		var url = '/user/add_item_to_wishlist.cmd';
		var pars = Form.serialize(frm) + '&formName=' + formName;
		var myAjax = new Ajax.Updater(divToUpdate, url, {method: 'post', parameters: pars, evalScripts: true});
	}

	function showSamples(){
		var url = '/includes/samples.jsp';
		var pars = '';
		var myAjax = new Ajax.Updater('mysamples', url, {method: 'get', parameters: pars});
	}

	function showRefinements(qsParams){
		var url = '/catalog/refine_refinement_panel.jsp';
		var pars = qsParams;
		var myAjax = new Ajax.Updater('refinements', url, {method: 'get', parameters: pars, evalScripts: true, onLoading: loadingRefinement, onComplete: formatRefMenu});
	}


	function showProducts(qsParams){
		var url = '/catalog/refine_product_panel.jsp';
		var pars = qsParams;
		var myAjax = new Ajax.Updater('products', url, {method: 'get', parameters: pars, evalScripts: true, onLoading: loadingProducts, onComplete: completeProducts});
	}

	function completeProducts(){
		$("products").className = "refine-prodwrap-off";
		$("refine-prodwrap").className = "refine-prodwrap-transoff";
	}

	function loadingProducts(){
		$("products").className = "refine-prodwrap-on";
		$("refine-prodwrap").className = "refine-prodwrap-transon";
	}

	 function refine(prodRefDispNameIdStr, isSelected){
        dcsMultiTrack('WT.cg_n','','WT.cg_s','','WT.ti','Refinements Used','WT.si_n','Refinements','WT.si_p','used');
        var refParams = (document.refinementForm.brParams.value).replace('?','');
		if (isSelected)
			refParams += '&remove=' + prodRefDispNameIdStr;
		else
			refParams += '&add=' + prodRefDispNameIdStr;

		showRefinements(refParams);
		showProducts(refParams);
		addDhtmlHistory(refParams, refParams);
	 }

	function showProductDetails(rQsp)
	{
		var url = '/catalog/product_details_panel.jsp';
		var pars = rQsp;
		var myAjax = new Ajax.Updater('product_details', url, {method: 'get', parameters: pars});
	}

	function addProduct(frm)
	{
		var url = '/checkout/add_item.cmd';
		var pars = Form.serialize(frm);
		var myAjax = new Ajax.Updater('product_details', url, {method: 'get', parameters: pars});
	}

    function resetPanels(resetParams)
    {
        resetParams = resetParams.replace('?','');
        showRefinements(resetParams);
        showProducts(resetParams);
        addDhtmlHistory(resetParams, resetParams);
    }

    function sortResults(currQsParams)
    {
        var sortIndx = currQsParams.indexOf('&sort=');
        if(sortIndx>0)
        {
            var refParams = currQsParams.substring(0, sortIndx) + '&sort=' + document.sortForm.sort.value + currQsParams.substring(sortIndx+7, currQsParams.length);
        }
        else
        {
            var refParams = currQsParams + '&sort=' + document.sortForm.sort.value;
        }
        refParams = refParams.replace('?','');
        showRefinements(refParams);
        showProducts(refParams);
        addDhtmlHistory(refParams, refParams);
    }

	function addProdToCompare(frm, divToUpdate, formName){
		var url = '/user/add_item_to_comparison.cmd';
		var pars = Form.serialize(frm) + '&formName=' + formName;
		var myAjax = new Ajax.Updater(divToUpdate, url, {method: 'post', parameters: pars, evalScripts: true});
	}

	function showCompareList(formName){
		var url = '/includes/compare_items.jsp';
		var pars = 'formName=' + formName;
		var myAjax = new Ajax.Updater('compare-layer-items', url, {method: 'post', parameters: pars});
	}
	function showInfoPopup(accName){
		var url = '/popup/acc_info_popup.jsp';
		var pars = 'pageName=' + accName;
		var myAjax = new Ajax.Updater('product-info-content-layer', url, {method: 'get', parameters: pars, onComplete: visibleProductInfo});
	}
    function showCheckOutList(productID){
        var url = '/includes/checkout_pop.jsp';
		var pars = 'productId=' + productID;
		var myAjax = new Ajax.Updater('tab_acc_trim_l', url, {method: 'get', parameters: pars});
    }

    function showAccTrimList(productID){
        var url = '/includes/acc_trim_list.jsp';
		var pars = 'productId=' + productID;
		var myAjax = new Ajax.Updater('acc_trim_list', url, {method: 'get', parameters: pars});
    }
    function showAccTrimListSwatch(productID){
        var url = '/includes/acc_trim_list_swatch.jsp';
		var pars = 'productId=' + productID;
		var myAjax = new Ajax.Updater('product-specs-wrapper', url, {method: 'get', parameters: pars});
    }
    function addAccessaryProduct(frm)
	{
		var url = '/checkout/add_acc_item_to_order.cmd';
		var pars = Form.serialize(frm);
        var myAjax = new Ajax.Updater('tab_acc_trim_l', url, {method: 'post', parameters: pars});
	}

    function addAccTrimProduct(frm)
	{
		var url = '/checkout/add_acc_trim_item_to_order.cmd';
		var pars = Form.serialize(frm);
        var myAjax = new Ajax.Updater('acc_trim_list', url, {method: 'post', parameters: pars});
	}

     function addAccTrimSwatchProduct(frm)
	{
		var url = '/checkout/add_acc_trim_item_swatch_to_order.cmd';
		var pars = Form.serialize(frm);
        var myAjax = new Ajax.Updater('product-specs-wrapper', url, {method: 'post', parameters: pars});
	}
	 function updateRefinementPanel(updateParams){
        updateParams = updateParams.replace('?','');
        showProducts(updateParams);
        addDhtmlHistory(updateParams, updateParams);
	 }

	 function updateProductPanel(updateParams){
        updateParams = updateParams.replace('?','');
        showProducts(updateParams);
        addDhtmlHistory(updateParams, updateParams);
	 }

	function emailProductPageToFriend(frm){
		var url = '/catalog/ajax_product_email.cmd';
		var pars = Form.serialize(frm);
		var myAjax = new Ajax.Updater('tab_emailafriend_l', url, {method: 'post', parameters: pars});
	}

	function emailCurrentPageToFriend(frm){
		var url = '/catalog/ajax_product_email.cmd';
		var pars = Form.serialize(frm);
		var myAjax = new Ajax.Updater('panel_email_friend', url, {method: 'post', parameters: pars});
	}

	function showEmailAFriendPop(frm){
		var url = '/catalog/email_success.jsp';
        var pars = Form.serialize(frm);
		var myAjax = new Ajax.Updater('panel_email_friend', url, {method: 'post', parameters: pars});
	}

	function loadEmailAFriendTab(productId){
		var url = '/catalog/email_success.jsp';
        var pars = 'productId=' + productId;
		var myAjax = new Ajax.Updater('tab_emailafriend_l', url, {method: 'post', parameters: pars});
	}