var web_path='/';

/**
 * Global Onload Method
 * 
 * currently this sets up the tell a friend popup in a lightbox as well as sets up the bookmark site link.
 */
$(function() {
	
	/**
	 * Lets make a slide menu with my neat little plugin.
	 */
	$('#menu').slideMenu();
	
	// attach fancybox to the send to friend link in the footer if both exist
	if ($.fancybox) {
		$('#tellAFriend,#emailThisItem').fancybox({
			'autoScale'			: false,
			'scrolling'			: 'no',
			'centerOnScroll'	: true,
			'overlayOpacity'	: 0.5,
			'overlayColor'		: '#000', 
			'showNavArrows'		: false,
			'width'				: 420,
			'height'			: 310,
			'transitionIn'		: 'elastic',
			'transitionOut'		: 'elastic',
			'type'				: 'iframe'
		});
	}
	
	// attach jquery bookmark plugin to the bookmark site link.
	if ($('#bookmarkSite').length >= 1) {
		$('#bookmarkSite').jFav();
	}
	
	if ($.fancybox && $('#gmap').length >= 1) {
		$('#gmap').fancybox({
                'autoScale'             : false,
                'scrolling'             : 'no',
                'centerOnScroll'        : true,
                'overlayOpacity'        : 0.5,
                'overlayColor'          : '#000',
                'showNavArrows'         : false,
                'width'                 : 640,
                'height'                : 480,
                'transitionIn'          : 'elastic',
                'transitionOut'         : 'elastic',
                'type'                  : 'iframe'
        });

		$('#gmap-div').tipsy({
			gravity: 'w', fade: true
		});
		
	}
	
	// attach our validation to the contact form
	if ($('FORM#contact-form').length === 1) {
		
		$('FORM#contact-form').parent().mouseover(function() {
			generateTipsyTips();
		});
		
		$('FORM#contact-form').validate({
			rules: {
				Name: { required: true, minlength: 2 },
				Email: { required: true, email: true },
				Phone: { required: true, minlength: 8 },
				Enquiry: { required: true },
				_captcha_code: { required: true, minlength: 5 }
			}
		});
	}
	
	// attach validation to our register account form
	if ($('FORM#register-form').length === 1) {
		$('FORM#register-form').mouseover(function() {
			generateTipsyTips();
		});
		
		$('FORM#register-form').validate({
			rules: {
				in_login_username: { required: true, minlength: 2 },
				in_login_password1: { required: true },
				in_login_password2: { required: true },
				in_fname: { required: true },
				in_lname: { required: true },
				in_fname: { required: true },
				in_email: { required: true, email: true },
				_captcha_code: { required: true, minlength: 5 }
			}
		});
	}
	
});


/**
 * This is a jquery plugin that I use to preload a bunch of images, its easy to use, just call 
 * 
 * $.preLoadImages("image1.jpg", "image2.jpg")
 * 
 */
(function($) {
	var cache = [];
	// Arguments are image paths relative to the current page.
	$.preLoadImages = function() {
		var args_len = arguments.length;
		for (var i = args_len; i--;) {
			var cacheImage = document.createElement('img');
			cacheImage.src = arguments[i];
			cache.push(cacheImage);	
		}
	};
})(jQuery);




/* EMAIL FUNCTIONS NEED TO BE PUT INTO AN OVERLAY - REMOVE WHEN DONE */
function email_this_item(i) {
	var win, ht;
	ht=340;
	win=window.open('/pages/email_this_page.php?item='+escape(i), 'email_this_item','resizable,width=420,height='+ht+',left=200,top=120,status');
}


function changePerPage(osel) {

	var val = osel[osel.selectedIndex].value;
	url = new Url(location.href);
	url.setVar('perpage', val);
	url.go();

}

function changeOrder(osel) {
   var val = osel[osel.selectedIndex].value;
   url = new Url(location.href);
   url.setVar('order', val);
   url.go();
}

function toggleDirection(dir) {
   var set = (dir == 'ASC') ? 'DESC' : 'ASC';
   url = new Url(location.href);
   url.setVar('dir', set);
   url.go();
} 

function showHide(element) {
	if(jQuery(element).css('display') == "none"){
		jQuery(element).slideDown('fast');
	}else{
		jQuery(element).slideUp('fast');
	}
}

function over(obj) {
	// first lets see if the src of this image is blank.gif and if its IE6 - Based on these conditions
	// we know that its a png fix so we need to alter the method of changing the image background as oposed
	// to the image source.
	var filename = obj.src.substring(obj.src.lastIndexOf('/')+1);

	// first lets check to see if its IE6 and if the image in a png file
	if(filename == 'blank.gif' && $.browser.msie && $.browser.version == '6.0') {
		var newFilter = (obj.style.filter.replace('.png', '-over.png'));
		obj.style.filter = newFilter;
	} else {
		obj.src=obj.src.replace('.gif', '-over.gif');
		obj.src=obj.src.replace('.jpg', '-over.jpg');
		obj.src=obj.src.replace('.png', '-over.png');
	}
}
 
function out(obj) {
	var filename = obj.src.substring(obj.src.lastIndexOf('/')+1);
	if(filename == 'blank.gif' && $.browser.msie && $.browser.version == '6.0') {
		obj.style.filter = obj.style.filter.replace('-over', '');
	} else {
		obj.src=obj.src.replace('-over', '');
	}
}


/**
* Switch item tabs on the item detail page.
*/

function SwitchItemTab(tab_num)
{
	var sp=200;

	if (tab_num<=0)
		return;

	// Update tabs

	$('#store-item-tabs .store-tab-a-over').addClass('store-tab-a');
	$('#store-item-tabs .store-tab-a-over').removeClass('store-tab-a-over');
	$('#store-item-tabs #store-info-tab'+tab_num).addClass('store-tab-a-over');

	// Show/hide content

	$('#store-item-tabs-body .store-tab-body').each(function()
	{
		if (this.style.display=='block')
		{
			//$(this).slideUp(sp);
			$(this).hide();
		}
	});

	//setTimeout(function() { $('#store-item-tabs-body #store-info-tab-body'+tab_num).slideDown(sp); }, sp);
	$('#store-item-tabs-body #store-info-tab-body'+tab_num).show();
	$('#store-item-tabs-body #store-info-tab-body'+tab_num).css('display','block');
}

/**
* Questions & Reviews
*/

var review_tab_num=0, question_tab_num=0;

function SwitchItemReviewsTab()
{
	SwitchItemTab(review_tab_num);
}

function SwitchItemQuestionsTab()
{
	SwitchItemTab(question_tab_num);
}

/**
* Set up the images on the item detail page. Add fancy box, 
* carousel, etc.
*/

var item_detail_current_img='';

function SetupItemDetailImages()
{
	$("a.store-image-thumbnails-link").fancybox(
	{
		"transitionIn"	   :  "fade",
		"transitionOut"   :  "fade",
		"overlayOpacity"	:  0.8,
		"overlayColor"		:  "#000",
		"zoomSpeedIn"		:  300,
		"zoomSpeedOut"    :  300,
		"speedIn"         :  300,
		"speedOut"        :  300,
		"changeSpeed"     :  300
	});

	$("#store-item-large-image a").click(function()
	{
		var n=0, use_n=-1;

		$("a.store-image-thumbnails-link").each(function()
		{
			var tmp_href=''+this.href;

			tmp_href=tmp_href.substring(tmp_href.indexOf('/images/pictures/'))
			if (use_n>=0)
				;
			else if (item_detail_current_img=='' && n==0)
			{
				use_n=n;
			}
			else if (item_detail_current_img==tmp_href)
			{
				use_n=n;
			}
			n++;
		});

		if (use_n<0)
			use_n=0;
		
		//$("a.store-image-thumbnails-link").first().click();
		$("a.store-image-thumbnails-link").eq(use_n).click();
		
		
		return false;
	});

	$("#store-item-thumbnails a").click(function()
	{
		var the_img=$(this).attr("href"); //children("img")[0].src;
		$("#store-item-large-image img").attr("src", the_img);
		$("#store-item-large-image a").attr("href", the_img);

		item_detail_current_img=''+the_img;
		item_detail_current_img=escape(item_detail_current_img.substring(item_detail_current_img.indexOf('/images/pictures/')))

		return false;
	});
	
	$('#store-images-carousel').jcarousel(
	{
		scroll: 7
	});
}


function CalcQuickPostage(in_amt, item_id)
{
	var pcode='', amt=0.00, ptype='';

	if ($('#calc_postage_type1').attr('checked'))
		ptype=$('#calc_postage_type1').attr('value');
	else if ($('#calc_postage_type2').attr('checked'))
		ptype=$('#calc_postage_type2').attr('value');
	else
		return;

	if (in_amt=='')
		in_amt=$('#_item_price_box').html();

	amt=parseFloat(in_amt);
	pcode=''+$('#calc_postage_postcode').attr('value');
	if (pcode=='')
		return;
	if (pcode.length>4)
		pcode=pcode.substring(0,4);

	$('#store-item-postage-result').slideDown(100);
	$('#store-item-postage-result').html('<img src="'+web_path+'images/pictures/large/system-files/progress-bar.gif">');

	$.get(web_path+'products/'+
	   '?_auto_calc_postage&amt='+escape(amt)+
		'&item_id='+escape(item_id)+
		'&pcode='+escape(pcode), 
		'&postage_type='+escape(ptype), 

	function(data)
	{
		if (data!='')
		{
			var str=''+data;
			if (str.indexOf('error:')>=0)
				;
			else
				data='Delivery to '+escape(pcode)+': <b>'+data+'</b>';
			$('#store-item-postage-result').html(data);
			$('#store-item-postage-result').slideDown(100);
		}
		else
		{
			$('#store-item-postage-result').html('');
			$('#store-item-postage-result').slideUp(100);
		}
	});
}