function displayMenu(id) {
	for (var i=1; i < 11; i++) {
		if(document.getElementById('menu_left_'+i)!=null) {
			var tmp_left = document.getElementById('menu_left_'+i);
			var tmp_right = document.getElementById('menu_right_'+i);
					
			if((id==3 && i==3) || (id==7 && i==3) || (id==8 && i==3) || (id==9 && i==3) || (id==4 && i==8) || (id==5 && i==8) || (id==6 && i==8)) {

			} else {
				tmp_left.className = "liMainLeftD";
				tmp_right.className = "";
			}
		}
	}

	if(id==3) {
		document.getElementById('menu_4').style.display = "none";
		document.getElementById('menu_left_3').className = (document.getElementById('menu_left_3').className == 'liMainLeftD' ? 'liMainLeftA' : 'liMainLeftD');
		document.getElementById('menu_right_3').className = (document.getElementById('menu_right_3').className == '' ? 'activeMenu' : '');
	}
	if(id==4) {
		document.getElementById('menu_3').style.display = "none";
		document.getElementById('menu_left_8').className = (document.getElementById('menu_left_8').className == 'liMainLeftD' ? 'liMainLeftA' : 'liMainLeftD');
		document.getElementById('menu_right_8').className = (document.getElementById('menu_right_8').className == '' ? 'activeMenu' : '');
	}
	if(id==7) {
		document.getElementById('menu_8').style.display = "none";
		document.getElementById('menu_9').style.display = "none";
		document.getElementById('menu_sub_left_1').className = (document.getElementById('menu_sub_left_1').className == 'liSubLeftD' ? 'liSubLeftA' : 'liSubLeftD');
		document.getElementById('menu_sub_right_1').className = (document.getElementById('menu_sub_right_1').className == 'liSubRightD' ? 'liSubRightA' : 'liSubRightD');
		document.getElementById('menu_sub_left_2').className = "liSubLeftD";
		document.getElementById('menu_sub_right_2').className = "liSubRightD";
		document.getElementById('menu_sub_left_3').className = "liSubLeftD";
		document.getElementById('menu_sub_right_3').className = "liSubRightD";
		document.getElementById('menu_sub_left_4').className = "liSubLeftD";
		document.getElementById('menu_sub_right_4').className = "liSubRightD";
		
	}
	if(id==8) {
		document.getElementById('menu_7').style.display = "none";
		document.getElementById('menu_9').style.display = "none";
		document.getElementById('menu_sub_left_2').className = (document.getElementById('menu_sub_left_2').className == 'liSubLeftD' ? 'liSubLeftA' : 'liSubLeftD');
		document.getElementById('menu_sub_right_2').className = (document.getElementById('menu_sub_right_2').className == 'liSubRightD' ? 'liSubRightA' : 'liSubRightD');
		document.getElementById('menu_sub_left_1').className = "liSubLeftD";
		document.getElementById('menu_sub_right_1').className = "liSubRightD";
		document.getElementById('menu_sub_left_3').className = "liSubLeftD";
		document.getElementById('menu_sub_right_3').className = "liSubRightD";
		document.getElementById('menu_sub_left_4').className = "liSubLeftD";
		document.getElementById('menu_sub_right_4').className = "liSubRightD";
		
	}
	if(id==9) {
		document.getElementById('menu_7').style.display = "none";
		document.getElementById('menu_8').style.display = "none";
		document.getElementById('menu_sub_left_3').className = (document.getElementById('menu_sub_left_3').className == 'liSubLeftD' ? 'liSubLeftA' : 'liSubLeftD');
		document.getElementById('menu_sub_right_3').className = (document.getElementById('menu_sub_right_3').className == 'liSubRightD' ? 'liSubRightA' : 'liSubRightD');
		document.getElementById('menu_sub_left_1').className = "liSubLeftD";
		document.getElementById('menu_sub_right_1').className = "liSubRightD";
		document.getElementById('menu_sub_left_2').className = "liSubLeftD";
		document.getElementById('menu_sub_right_2').className = "liSubRightD";
		document.getElementById('menu_sub_left_4').className = "liSubLeftD";
		document.getElementById('menu_sub_right_4').className = "liSubRightD";
		
	}
	if(id==5) {
		document.getElementById('menu_sub_left_5').className = (document.getElementById('menu_sub_left_5').className == 'liSubLeftD' ? 'liSubLeftA' : 'liSubLeftD');
		document.getElementById('menu_sub_right_5').className = (document.getElementById('menu_sub_right_5').className == 'liSubRightD' ? 'liSubRightA' : 'liSubRightD');
		document.getElementById('menu_sub_left_6').className = "liSubLeftD";
		document.getElementById('menu_sub_right_6').className = "liSubRightD";
		document.getElementById('menu_6').style.display = "none";

		
	}
	if(id==6) {
		document.getElementById('menu_sub_left_6').className = (document.getElementById('menu_sub_left_6').className == 'liSubLeftD' ? 'liSubLeftA' : 'liSubLeftD');
		document.getElementById('menu_sub_right_6').className = (document.getElementById('menu_sub_right_6').className == 'liSubRightD' ? 'liSubRightA' : 'liSubRightD');
		document.getElementById('menu_sub_left_5').className = "liSubLeftD";
		document.getElementById('menu_sub_right_5').className = "liSubRightD";
		document.getElementById('menu_5').style.display = "none";

		
	}
	var element = document.getElementById('menu_'+id);
	element.style.display = (element.style.display == 'none' ? 'block' : 'none');
}





function  validateRequestForm(form, lang){

	
/*	alert(form.ic.value.length);
	return false;*/

 var REemail = new RegExp("^.+@.+\..+$");     
 if(lang==1){cz=1;}else{cz=0}

  if(form.jmeno.value == ""){
  if(cz==1){alert('Prosím, vyplňte jméno.');}else{alert('Please, fill in your Name.');}
  form.jmeno.style.border = '1px solid #05538a';
  form.jmeno.focus();
  return false;

  }else if(form.prijmeni.value == ""){
  if(cz==1){alert('Prosím, vyplňte příjmení.');}else{alert('Please, fill in your Surname.');}
  form.prijmeni.style.border = '1px solid #05538a';
  form.prijmeni.focus();
  return false;
  }else if(!REemail.test(form.email.value)){
  if(cz==1){alert('Prosím, vyplňte email.');}else{alert('Please, fill in your Email.');}
  form.email.style.border = '1px solid #05538a';
  form.email.focus();
  return false;
  }else if(form.person.value == ""){	
  if(cz==1){alert('Prosím, zadejte počet osob.');}else{alert('Please, fill number of persons.');}
  form.person.style.border = '1px solid #05538a';
  form.person.focus();
  return false;
  	}else if(form.datum.value == ""){
  if(cz==1){alert('Prosím, vyplňte datum.');}else{alert('Please, fill in Date.');}
  form.datum.style.border = '1px solid #05538a';
  form.datum.focus();
  return false;
  }else if(form.telefon.value == ""){
  if(cz==1){alert('Prosím, vyplňte telefon.');}else{alert('Please, fill in your Phone.');}
  form.telefon.style.border = '1px solid #05538a';
  form.telefon.focus();
  return false;
  }else if(form.mobil.value == ""){
  if(cz==1){alert('Prosím, vyplňte mobilní telefon.');}else{alert('Please, fill in your Mobile.');}
  form.mobil.style.border = '1px solid #05538a';
  form.mobil.focus();
  return false;
 }else if(!form.souhlas.checked){
  if(cz==1){alert('Prosím, potvrďte všeobecné podmínky.');}else{alert('Please, confirm General Conditions.');}
  form.souhlas.style.background = '#a0a0a0';
  form.souhlas.focus();
  return false;

 }else{
    return true;
 }	
}