function tabs(box_id, selected_tab)
	{       
		var list = document.getElementById(box_id);
		if(!list) return false;
		var items = list.getElementsByTagName('a');
		
		for(var i = 0; null != (items[i]); i++) 
		{
			if(selected_tab == items[i].id) 
		  {
	      items[i].className = 'selected';
	    } 
	    else
	    {
	      items[i].className = '';
	    }    
		}
	}
	
	
	function insert_to_basket(goods_id)
	{ 
		var count = document.getElementById('goods_count_'+goods_id).value;
	
		new Request.JSON(
		{
			url:'http://www.sysnet.sk/api.php',
			onComplete: function(message) 
			{ 
				show_basket(message);			
			}
		}).get({'action': '1', 'id': goods_id, 'count': count}).send();
			
		
		//change basket icon
		var bas = document.getElementById("bask_but_"+goods_id);
		bas.className  = 'hidden';
		
		var bas = document.getElementById("bask_ok_"+goods_id);
		bas.className  = 'show';
		
		return false;
	}
	
	
	function show_basket(data) 
	{ 
		var count = document.getElementById("basket_count");
		count.innerHTML = parseInt(data.message.count);
		
		var price = document.getElementById("basket_price");
		price.innerHTML = parseInt(data.message.price);
		
		document.getElementById("basket_line").className = 'basket_line orange';
		
	};
	
	
	var showFunction = function(class_name) {
		$$('.'+class_name).setStyle('display', 'none'); 
		this.setStyle('display', 'block');
	}
	
	
	function tab2(selected_tab) 
	{ 
		if(selected_tab == 'tab1')
		{ 
			var tab1 = document.getElementById("tab1");
			tab1.className = 'panelType1Input6';
			
			var tab2 = document.getElementById("tab2");
			tab2.className = 'panelType1Input6 hidden';
		}
		else
		{
			var tab1 = document.getElementById("tab1");
			tab1.className = 'panelType1Input6 hidden';
			
			var tab2 = document.getElementById("tab2");
			tab2.className = 'panelType1Input6';
		}
		
	};


	function clears(id_el, string)
	{
		selected = document.getElementById(id_el);
		selected_val = selected.value;
		
		if (selected_val == string) selected.value = "";
	}