/*----------------------------jQuery Gallery----------------------------*/
var lhq_gallery;
var lhq_back;
var lhq_next;
var lhq_cp=1;;
var lhq_tp;

jQuery.fn.prettyGallery = function(settings) {
	settings = jQuery.extend({
		itemsPerPage : 4,
		animationSpeed : 'normal', /* fast/normal/slow */
		navigation : 'bottom',  /* top/bottom/both */
		of_label: ' / ', /* The content in the page "1 of 2" */
		previous_title_label: 'Trang trước', /* The title of the previous link */
		next_title_label: 'Trang sau', /* The title of the next link */
		previous_label: 'Trang trước', /* The content of the previous link */
		next_label: 'Trang sau' /* The content of the next link */
	}, settings);
	return this.each(function(){
		// Global variables needed in multiple functions.	
		var currentPage = 1;
		var itemWidth = 0;
		var itemHeight = 0;
		var galleryWidth = 0;
		var pageCount = 0;
		var animated = false;
		var $gallery = $(this);
		lhq_gallery=$(this);
		
		var prettyGalleryPrevious = function(caller) {
			// Make sure not to double animate, and not animate of the button is disabled
			if(animated || $(caller).hasClass('disabled')) return;
			animated = true;

			$gallery.find('li:lt('+(currentPage * settings.itemsPerPage)+')').each(function(i){
				$(this).animate({'left': parseFloat($(this).css('left')) + (galleryWidth + itemMargin) }, settings.animationSpeed, function(){
					animated = false;
				});
			});

			$gallery.find('li:gt('+ ((currentPage * settings.itemsPerPage) - 1) +')').each(function(i){
				$(this).animate({'left': parseFloat($(this).css('left')) + (galleryWidth + itemMargin) }, settings.animationSpeed);
			});

			currentPage--;
			lhq_cp--;
			_displayPaging();
		};

		var prettyGalleryNext = function(caller) {
			// Make sure not to double animate, and not animate of the button is disabled
			if(animated || $(caller).hasClass('disabled')) return;
			animated = true;

			$gallery.find('li:lt('+(currentPage * settings.itemsPerPage)+')').each(function(i){
				$(this).animate({'left': parseFloat($(this).css('left')) - (galleryWidth + itemMargin) }, settings.animationSpeed, function(){
					animated = false;
				});
			});

			$gallery.find('li:gt('+ ((currentPage * settings.itemsPerPage) - 1) +')').each(function(i){
				$(this).animate({'left': parseFloat($(this).css('left')) - (galleryWidth + itemMargin) }, settings.animationSpeed);
			});

			currentPage++;
			lhq_cp++;
			_displayPaging();
		};

		var _formatGallery = function() {
			itemWidth = $gallery.find('li:first').width();
			itemMargin = parseFloat($gallery.find('li:first').css('margin-right')) + parseFloat($gallery.find('li:first').css('margin-left')) + parseFloat($gallery.find('li:first').css('padding-left')) + parseFloat($gallery.find('li:first').css('padding-right')) + parseFloat($gallery.find('li:first').css('border-left-width')) + parseFloat($gallery.find('li:first').css('border-right-width'));
			itemHeight = $gallery.find('li:first').height() + parseFloat($gallery.find('li:first').css('margin-top')) + parseFloat($gallery.find('li:first').css('margin-bottom')) + parseFloat($gallery.find('li:first').css('padding-top')) + parseFloat($gallery.find('li:first').css('padding-bottom'));
			galleryWidth = (itemWidth + itemMargin) * settings.itemsPerPage - parseFloat($gallery.find('li:first').css('margin-right')); // We don't want the margin of the last item, that's why we remove it.

			$gallery.css({
				'width': galleryWidth,
				'height': itemHeight,
				'overflow': 'hidden',
				'position': 'relative',
				'clear': 'left'
			});
			$gallery.find('li').each(function(i){
				$(this).css({
					'position':'absolute',
					'top':0,
					'left':i * (itemWidth + itemMargin)
				});
			});

			$gallery.wrap('<div class="prettyGallery"></div>').addClass('prettyGallery');
		};

		var _displayPaging = function() {
			$cg = $gallery.parents('div.prettyGallery:first'); // The containing gallery

			$cg.find('ul.prettyNavigation span.current').text(currentPage);
			$cg.find('ul.prettyNavigation span.total').text(pageCount);

			// Make sur all the links are enabled
			$cg.find('ul.prettyNavigation li a').removeClass('disabled');

			// Display the proper nav
			if(currentPage == 1){
				// Hide the previous button
				$cg.find('ul.prettyNavigation li.prev a').addClass('disabled');
			} else if(currentPage == pageCount) {
				// Hide the next button
				$cg.find('ul.prettyNavigation li.next a').addClass('disabled');
			};
		};

		var _applyNav = function() {
			var template = '';
			template +='<ul class="prettyNavigation">';
			template += '<li class="prev"><a href="#" title="'+settings.previous_title_label+'">'+settings.previous_label+'</a></li>';
			template += '<li><span class="current">1</span>'+settings.of_label+'<span class="total">1</span></li>';
			template += '<li class="next"><a href="#" title="'+settings.next_title_label+'">'+settings.next_label+'</a></li>';
			template += '</ul>';

			switch(settings.navigation){
				case 'top':
					$gallery.before(template);
					break;
				case 'bottom':
					$gallery.after(template);
					break;
				case 'both':
					$gallery.before(template);
					$gallery.after(template);
					break;
			};

			// Adjust the nav to the gallery width
			$theNav = $gallery.parent('div.prettyGallery:first').find('ul.prettyNavigation');
			galleryBorderWidth = parseFloat($theNav.css('border-left-width')) + parseFloat($theNav.css('border-right-width'));
			$theNav.width(galleryWidth - galleryBorderWidth);
			$theNav.each(function(){
				$(this).find('li:eq(1)').width(galleryWidth - galleryBorderWidth - parseFloat($(this).parent().find('ul.prettyNavigation li:first').width()) - parseFloat($(this).parent().find('ul.prettyNavigation li:last').width()));
			});

			// Apply the functions to the buttons
			lhq_back=$theNav.find('li.prev a');
			lhq_next=$theNav.find('li.next a');
			$theNav.find('li.prev a').bind('click',function(){
				prettyGalleryPrevious(this);
				return false;
			});

			$theNav.find('li.next a').bind('click',function(){
				prettyGalleryNext(this);
				return false;
			});
		};
		
		// Check if we need the gallery
		if($(this).find('li').size() > settings.itemsPerPage) {		
			// Set the number of pages
			pageCount = Math.ceil($(this).find('li').size() / settings.itemsPerPage);
			lhq_tp=pageCount;
			// Format the gallery properly
			_formatGallery();
			
			// Build and display the nav
			_applyNav();
			
			// Display the proper paging
			_displayPaging(this);
			currentPage = 1;
		};
	});
};






/*----------------------------Custom Form Elements----------------------------*/

var checkboxHeight = "25";
var radioHeight = "25";
var selectWidth = "190";

/* No need to change anything after this */

document.write('<style type="text/css">input.styled { display: none; } select.styled { position: relative; width: ' + selectWidth + 'px; opacity: 0; z-index: 5; }</style>');

var Custom = {
	init: function() {
		var inputs = document.getElementsByTagName("input"), span = Array(), textnode, option, active;
		for(a = 0; a < inputs.length; a++) {
			if((inputs[a].type == "checkbox" || inputs[a].type == "radio") && inputs[a].className == "styled") {
				span[a] = document.createElement("span");
				span[a].className = inputs[a].type;

				if(inputs[a].checked == true) {
					if(inputs[a].type == "checkbox") {
						position = "0 -" + (checkboxHeight*2) + "px";
						span[a].style.backgroundPosition = position;
					} else {
						position = "0 -" + (radioHeight*2) + "px";
						span[a].style.backgroundPosition = position;
					}
				}
				inputs[a].parentNode.insertBefore(span[a], inputs[a]);
				inputs[a].onchange = Custom.clear;
				span[a].onmousedown = Custom.pushed;
				span[a].onmouseup = Custom.check;
				document.onmouseup = Custom.clear;
			}
		}
		inputs = document.getElementsByTagName("select");
		for(a = 0; a < inputs.length; a++) {
			if(inputs[a].className == "styled") {
				option = inputs[a].getElementsByTagName("option");
				active = option[0].childNodes[0].nodeValue;
				textnode = document.createTextNode(active);
				for(b = 0; b < option.length; b++) {
					if(option[b].selected == true) {
						textnode = document.createTextNode(option[b].childNodes[0].nodeValue);
					}
				}
				span[a] = document.createElement("span");
				span[a].className = "select";
				span[a].id = "select" + inputs[a].name;
				span[a].appendChild(textnode);
				inputs[a].parentNode.insertBefore(span[a], inputs[a]);
				inputs[a].onchange = Custom.choose;
			}
		}
	},
	pushed: function() {
		element = this.nextSibling;
		if(element.checked == true && element.type == "checkbox") {
			this.style.backgroundPosition = "0 -" + checkboxHeight*3 + "px";
		} else if(element.checked == true && element.type == "radio") {
			this.style.backgroundPosition = "0 -" + radioHeight*3 + "px";
		} else if(element.checked != true && element.type == "checkbox") {
			this.style.backgroundPosition = "0 -" + checkboxHeight + "px";
		} else {
			this.style.backgroundPosition = "0 -" + radioHeight + "px";
		}
	},
	check: function() {
		element = this.nextSibling;
		if(element.checked == true && element.type == "checkbox") {
			this.style.backgroundPosition = "0 0";
			element.checked = false;
		} else {
			if(element.type == "checkbox") {
				this.style.backgroundPosition = "0 -" + checkboxHeight*2 + "px";
			} else {
				this.style.backgroundPosition = "0 -" + radioHeight*2 + "px";
				group = this.nextSibling.name;
				inputs = document.getElementsByTagName("input");
				for(a = 0; a < inputs.length; a++) {
					if(inputs[a].name == group && inputs[a] != this.nextSibling) {
						inputs[a].previousSibling.style.backgroundPosition = "0 0";
					}
				}
			}
			element.checked = true;
		}
	},
	clear: function() {
		inputs = document.getElementsByTagName("input");
		for(var b = 0; b < inputs.length; b++) {
			if(inputs[b].type == "checkbox" && inputs[b].checked == true && inputs[b].className == "styled") {
				inputs[b].previousSibling.style.backgroundPosition = "0 -" + checkboxHeight*2 + "px";
			} else if(inputs[b].type == "checkbox" && inputs[b].className == "styled") {
				inputs[b].previousSibling.style.backgroundPosition = "0 0";
			} else if(inputs[b].type == "radio" && inputs[b].checked == true && inputs[b].className == "styled") {
				inputs[b].previousSibling.style.backgroundPosition = "0 -" + radioHeight*2 + "px";
			} else if(inputs[b].type == "radio" && inputs[b].className == "styled") {
				inputs[b].previousSibling.style.backgroundPosition = "0 0";
			}
		}
	},
	choose: function() {
		option = this.getElementsByTagName("option");
		for(d = 0; d < option.length; d++) {
			if(option[d].selected == true) {
				document.getElementById("select" + this.name).childNodes[0].nodeValue = option[d].childNodes[0].nodeValue;
			}
		}
	}
}
window.onload = Custom.init;


/*----------------------------Tool Tip----------------------------*/

var tooltip=function(){
	var id = 'tt';
	var top = 3;
	var left = 3;
	var maxw = 300;
	var speed = 10;
	var timer = 20;
	var endalpha = 85;
	var alpha = 0;
	var tt,t,c,b,h;
	var ie = document.all ? true : false;
	return{
		show:function(v,w){
			if(tt == null){
				tt = document.createElement('div');
				tt.setAttribute('id',id);
				tt.style.zIndex=999999;
				t = document.createElement('div');
				t.setAttribute('id',id + 'top');
				c = document.createElement('div');
				c.setAttribute('id',id + 'cont');
				b = document.createElement('div');
				b.setAttribute('id',id + 'bot');
				tt.appendChild(t);
				tt.appendChild(c);
				tt.appendChild(b);
				document.body.appendChild(tt);
				tt.style.opacity = 0;
				tt.style.filter = 'alpha(opacity=0)';
				document.onmousemove = this.pos;
			}
			tt.style.display = 'block';
			c.innerHTML = v;
			tt.style.width = w ? w + 'px' : 'auto';
			if(!w && ie){
				t.style.display = 'none';
				b.style.display = 'none';
				tt.style.width = tt.offsetWidth;
				t.style.display = 'block';
				b.style.display = 'block';
			}
			if(tt.offsetWidth > maxw){tt.style.width = maxw + 'px'}
			h = parseInt(tt.offsetHeight) + top;
			clearInterval(tt.timer);
			tt.timer = setInterval(function(){tooltip.fade(1)},timer);
		},
		pos:function(e){
			var u = ie ? event.clientY + document.documentElement.scrollTop : e.pageY;
			var l = ie ? event.clientX + document.documentElement.scrollLeft : e.pageX;
			tt.style.top = (u - h) + 'px';
			tt.style.left = (l + left) + 'px';
		},
		fade:function(d){
			var a = alpha;
			if((a != endalpha && d == 1) || (a != 0 && d == -1)){
				var i = speed;
				if(endalpha - a < speed && d == 1){
					i = endalpha - a;
				}else if(alpha < speed && d == -1){
					i = a;
				}
				alpha = a + (i * d);
				tt.style.opacity = alpha * .01;
				tt.style.filter = 'alpha(opacity=' + alpha + ')';
			}else{
				clearInterval(tt.timer);
				if(d == -1){tt.style.display = 'none'}
			}
		},
		hide:function(){
			clearInterval(tt.timer);
			tt.timer = setInterval(function(){tooltip.fade(-1)},timer);
		}
	};
}();




/*Motion Announcement*/
jQuery.fn.liScroll = function(settings) {
		settings = jQuery.extend({
		travelocity: 0.05
		}, settings);		
		return this.each(function(){
				var $strip = jQuery(this);
				$strip.addClass("newsticker")
				var stripWidth = 0;
				var $mask = $strip.wrap("<div class='mask'></div>");
				var $tickercontainer = $strip.parent().wrap("<div class='tickercontainer'></div>");								
				var containerWidth = $strip.parent().parent().width();	//a.k.a. 'mask' width 	
				$strip.find("li").each(function(i){
				stripWidth += jQuery(this, i).width();
				});
				$strip.width(stripWidth);			
				var defTiming = stripWidth/settings.travelocity;
				var totalTravel = stripWidth+containerWidth;								
				function scrollnews(spazio, tempo){
				$strip.animate({left: '-='+ spazio}, tempo, "linear", function(){$strip.css("left", containerWidth); scrollnews(totalTravel, defTiming);});
				}
				scrollnews(totalTravel, defTiming);				
				$strip.hover(function(){
				jQuery(this).stop();
				},
				function(){
				var offset = jQuery(this).offset();
				var residualSpace = offset.left + stripWidth;
				var residualTime = residualSpace/settings.travelocity;
				scrollnews(residualSpace, residualTime);
				});			
		});	
};