/*--------------------------------------------------------------

# Viyo - January 2009 (for Joomla 1.5)

# Copyright (C) 2007-2009 Gavick.com. All Rights Reserved.

# License: Copyrighted Commercial Software

# Website: http://www.gavick.com

# Support: support@gavick.com  

---------------------------------------------------------------*/



window.addEvent("domready",function(){

	var $b = $(document.getElementsByTagName('body')[0]);

	if(Cookie.get('gk22_font')) $b.setStyle("font-size", Cookie.get('gk22_font'));

	else $b.setStyle("font-size", "62.5%");

	// smoothscroll init

	new SmoothScroll();

	// aniation classes - Fx.Height and Fx.Opacity

	Fx.Height = Fx.Style.extend({initialize: function(el, options){this.parent(el, 'height', options);this.element.setStyle('overflow', 'hidden');},toggle: function(){return (this.element.offsetHeight > 0) ? this.custom(this.element.offsetHeight, 0) : this.custom(0, this.element.scrollHeight);},show: function(){return this.set(this.element.scrollHeight);}});

	Fx.Opacity = Fx.Style.extend({initialize: function(el, options){this.now = 1;this.parent(el, 'opacity', options);},toggle: function(){return (this.now > 0) ? this.start(1, 0) : this.start(0, 1);},show: function(){return this.set(1);}});

	// font size switcher

	if($('font_minus_btn')){

		// reset font size

		$('font_reset_btn').addEvent("click", function(){

			$b.setStyle("font-size", "62.5%");	

			new Cookie.set('gk22_font',"62.5%",{duration: 200,path: "/"});

		});

		// increase font size

		$('font_plus_btn').addEvent("click", function(){

			if($b.getStyle("font-size").toFloat() < 75){

				$b.setStyle("font-size", $b.getStyle("font-size").toFloat() + 2.5 + "%");

				new Cookie.set('gk22_font',$b.getStyle("font-size").toFloat() + 2.5 + "%",{duration: 200,path: "/"});

			}

		});

		// decrease font size

		$('font_minus_btn').addEvent("click", function(){

			if($b.getStyle("font-size").toFloat() > 50){

				$b.setStyle("font-size", $b.getStyle("font-size").toFloat() - 2.5 + "%");

				new Cookie.set('gk22_font',$b.getStyle("font-size").toFloat() - 2.5 + "%",{duration: 200,path: "/"});

			}

		});

	}

	// login slide

	if($('login_btn')){

		var opened = false;

		$('userarea').setStyle("display","block");

		var ef = new Fx.Height('wrapper_userarea', {duration: 300, wait: true});

		ef.set(0);

		$('login_btn').addEvent("click", function(){

			ef.toggle();

			$('login_btn').innerHTML = "<span></span>" + ((opened) ? $GKGlobal["open"] : $GKGlobal["close"]);

			opened = !opened; 

		});

	}

	// slider in menu

	if($('slide_path')){

		var slide_anim = new Fx.Styles($('slide_knob'),{duration: 600, wait: false, transition: Fx.Transitions.Quint.easeInOut});

		var menu_div = $('horiz-menu');

		var pos = ($$('li.active')[0]) ? $$('li.active')[0].getPosition().x : $$('#horiz-menu li')[0].getPosition().x;

		var size = ($$('li.active')[0]) ? $$('li.active')[0].getSize().size.x : $$('#horiz-menu li')[0].getSize().size.x;

		// first step

		slide_anim.set({

			"margin-left" : (!window.ie) ? pos - menu_div.getPosition().x : pos,

			"width" : size - 4

		});

		// animation

		$$('li.level1').each(function(el){

			el.addEvent('mouseenter', function(){

				slide_anim.start({

					"margin-left" : (!window.ie) ? el.getPosition().x - menu_div.getPosition().x : el.getPosition().x,

					"width" : el.getSize().size.x - 4

				});

			});

		});

	}	

	// background switcher

	if($('stylearea')){

		$$('.bg_switcher').each(function(element,index){

			element.addEvent('click',function(event){

				var event = new Event(event);

				event.preventDefault();

				changeBg(index+1);

			});

		});

	}

});

// Function to change backgrouns

function changeBg(style){

	var $b = $(document.getElementsByTagName('body')[0]);

	//	

	if(style == 1)

	{

		$b.setStyle('background', '#ffffff url(\''+$template_path+'/images/style/backgrounds/bg_1_base.png\') repeat-x 0 0');

		$('wrapper_main').setStyle('background','transparent url(\''+$template_path+'/images/style/backgrounds/bg_1_main.jpg\') no-repeat center -30px'); 

		$('bottom_wrap_2').setStyle('background','#62B4D9 url(\''+$template_path+'/images/style/backgrounds/bottom_bg_1.png\') repeat-x  0 bottom');

	}else{

		$b.setStyle('background', '#ffffff url(\''+$template_path+'/images/style/backgrounds/bg_'+style+'.png\') repeat 0 0');

		$('wrapper_main').setStyle('background','none'); 

		$('bottom_wrap_2').setStyle('background','#62B4D9 url(\''+$template_path+'/images/style/backgrounds/bottom_bg_other.png\') repeat-x  0 bottom');	

	}

	// save config in cookie

	new Cookie.set('gk22_bg',style,{duration: 200,path: "/"});

}