/*--------------------------------------------------------------
# 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]);
	//	
	$b.setStyle('background', '#e2e0d4 url(\''+$template_path+'/images/style/backgrounds/bg_'+style+'.png\') repeat 0 0');
	$('wrapper_main').setStyle('background','none'); 
	$('bottom_wrap_2').setStyle('background','#71685f url(\''+$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: "/"});
}