function tab (che) {
	//alert ("dsgdh");
	switch (che) {
		
	case "zakl1":
		var text = document.getElementById('see_zakl1');
		if(text.style.display == 'none')
		{
			text.style.display = 'table';			
		}
		var text = document.getElementById('see_zakl2');
		if(text.style.display == 'table')
		{
			text.style.display = 'none';
		}
		var text = document.getElementById('see_zakl3');
		if(text.style.display == 'table')
		{
			text.style.display = 'none';
		}
		var text = document.getElementById('see_zakl4');
		if(text.style.display == 'table')
		{
			text.style.display = 'none';
		}
		
		var text = document.getElementById('zakladka1');
		text.style.position = 'relative';

	   if(document.getElementById('zakladka2').style.position == 'relative')
		   {
			document.getElementById('zakladka2').style.position = 'inherit';
		   }
		if(document.getElementById('zakladka3').style.position == 'relative')
		   {
			document.getElementById('zakladka3').style.position = 'inherit';
		   }
		if(document.getElementById('zakladka4').style.position == 'relative')
		   {
			document.getElementById('zakladka4').style.position = 'inherit';
		   }
	   
	break;	
	
	case "zakl2":
		var text = document.getElementById('see_zakl2');
		if(text.style.display == 'none')
		{
			text.style.display = 'table';			
		}
		var text = document.getElementById('see_zakl1');
		if(text.style.display == 'table')
		{
			text.style.display = 'none';
		}
		var text = document.getElementById('see_zakl3');
		if(text.style.display == 'table')
		{
			text.style.display = 'none';
		}
		var text = document.getElementById('see_zakl4');
		if(text.style.display == 'table')
		{
			text.style.display = 'none';
		}
		
		var text = document.getElementById('zakladka2');
		text.style.position = 'relative';
		
	   if(document.getElementById('zakladka1').style.position == 'relative') 
		   {
			document.getElementById('zakladka1').style.position = 'inherit';
		   }
		if(document.getElementById('zakladka3').style.position == 'relative')
		   {
			document.getElementById('zakladka3').style.position = 'inherit';
		   }
		if(document.getElementById('zakladka4').style.position == 'relative')
		   {
			document.getElementById('zakladka4').style.position = 'inherit';
		   }
	   
	break;	
	
	case "zakl3":
		var text = document.getElementById('see_zakl3');
		if(text.style.display == 'none')
		{
			text.style.display = 'table';			
		}
		var text = document.getElementById('see_zakl2');
		if(text.style.display == 'table')
		{
			text.style.display = 'none';
		}
		var text = document.getElementById('see_zakl1');
		if(text.style.display == 'table')
		{
			text.style.display = 'none';
		}
		var text = document.getElementById('see_zakl4');
		if(text.style.display == 'table')
		{
			text.style.display = 'none';
		}
		
		var text = document.getElementById('zakladka3');
		text.style.position = 'relative';

	   if(document.getElementById('zakladka2').style.position == 'relative')
		   {
			document.getElementById('zakladka2').style.position = 'inherit';
		   }
		if(document.getElementById('zakladka1').style.position == 'relative')
		   {
			document.getElementById('zakladka1').style.position = 'inherit';
		   }
		if(document.getElementById('zakladka4').style.position == 'relative')
		   {
			document.getElementById('zakladka4').style.position = 'inherit';
		   }
	   
	break;	
	
	case "zakl4":
		var text = document.getElementById('see_zakl4');
		if(text.style.display == 'none')
		{
			text.style.display = 'table';			
		}
		var text = document.getElementById('see_zakl2');
		if(text.style.display == 'table')
		{
			text.style.display = 'none';
		}
		var text = document.getElementById('see_zakl3');
		if(text.style.display == 'table')
		{
			text.style.display = 'none';
		}
		var text = document.getElementById('see_zakl1');
		if(text.style.display == 'table')
		{
			text.style.display = 'none';
		}
		
		var text = document.getElementById('zakladka4');
		text.style.position = 'relative';

	   if(document.getElementById('zakladka2').style.position == 'relative')
		   {
			document.getElementById('zakladka2').style.position = 'inherit';
		   }
		if(document.getElementById('zakladka3').style.position == 'relative')
		   {
			document.getElementById('zakladka3').style.position = 'inherit';
		   }
		if(document.getElementById('zakladka1').style.position == 'relative')
		   {
			document.getElementById('zakladka1').style.position = 'inherit';
		   }
	   
	break;	
};
};

function show_hide_list_block(id)
{
	var a = $("#list_table_block_"+id).toggle();//alert ("ser");

  var cont = $("#plus_minus_"+id).html(); 
  if (cont=="+")
     $("#plus_minus_"+id).html("−");
  else 
     $("#plus_minus_"+id).html("+");
}