function pokoje(pocet_pokoju){
if(pocet_pokoju == 1){
document.getElementById("dospeli_pokoje").innerHTML = 'взрослых<br><select onchange=uprav_pocet_deti("child",this.value,"pokoj_1_veky") size="1" name="adult1" class="field" ><option value="1">1</option><option value="2">2</option><option value="3">3</option></select>';

document.getElementById("deti_pokoje").innerHTML = '<span id="pokoj_1_veky" style="float:right"></span>Дети<br><select size="1" name="child" class="field" id="child1" onchange=deti_vek(this.value,"pokoj_1_veky");><option value="-1">0</option><option value="1">1</option><option value="2">2</option></select>';

document.getElementById("pokoj1_sub").innerHTML = '';
document.getElementById("dospeli_pokoj1_sub").innerHTML = '';
document.getElementById("deti_pokoj1_sub").innerHTML = '';
document.getElementById("pokoj2_sub").innerHTML = '';
document.getElementById("dospeli_pokoj2_sub").innerHTML = '';
document.getElementById("deti_pokoj2_sub").innerHTML = '';
document.getElementById("pokoj3_sub").innerHTML = '';
document.getElementById("dospeli_pokoj3_sub").innerHTML = '';
document.getElementById("deti_pokoj3_sub").innerHTML = '';
    }


if(pocet_pokoju == 2){
document.getElementById("dospeli_pokoje").innerHTML = '';
document.getElementById("deti_pokoje").innerHTML = '';


document.getElementById("pokoj1_sub").innerHTML = '<br><br>Номер 1';
document.getElementById("dospeli_pokoj1_sub").innerHTML = 'взрослых<br><select onchange=uprav_pocet_deti("child1",this.value,"pokoj_1_veky") size="1" name="adult1" class="field" ><option value="1">1</option><option value="2">2</option><option value="3">3</option></select>';
document.getElementById("deti_pokoj1_sub").innerHTML = '<span id="pokoj_1_veky" style="float:right"></span>Дети<br><select size="1" name="child1" id="child1" class="field" onchange=deti_vek(this.value,"pokoj_1_veky");><option value="-1">0</option><option value="1">1</option><option value="2">2</option></select>';

document.getElementById("pokoj2_sub").innerHTML = '<br>Номер 2';
document.getElementById("dospeli_pokoj2_sub").innerHTML = '<select onchange=uprav_pocet_deti("child2",this.value,"pokoj_2_veky") size="1" name="adult2" class="field" ><option value="1">1</option><option value="2">2</option><option value="3">3</option></select>';
document.getElementById("deti_pokoj2_sub").innerHTML = '<span id="pokoj_2_veky" style="float:right"></span><select size="1" name="child2" class="field" id="child2" onchange=deti_vek(this.value,"pokoj_2_veky");><option value="-1">0</option><option value="1">1</option><option value="2">2</option></select>';

document.getElementById("pokoj3_sub").innerHTML = '';
document.getElementById("dospeli_pokoj3_sub").innerHTML = '';
document.getElementById("deti_pokoj3_sub").innerHTML = '';

 }



if(pocet_pokoju == 3){
document.getElementById("dospeli_pokoje").innerHTML = '';
document.getElementById("deti_pokoje").innerHTML = '';


document.getElementById("pokoj1_sub").innerHTML = '<br><br>Номер 1';
document.getElementById("dospeli_pokoj1_sub").innerHTML = 'взрослых<br><select onchange=uprav_pocet_deti("child1",this.value,"pokoj_1_veky") size="1" name="adult1" class="field" ><option value="1">1</option><option value="2">2</option><option value="3">3</option></select>';
document.getElementById("deti_pokoj1_sub").innerHTML = '<span id="pokoj_1_veky" style="float:right"></span>Дети<br><select size="1" name="child1" id="child1" class="field" onchange=deti_vek(this.value,"pokoj_1_veky");><option value="-1">0</option><option value="1">1</option><option value="2">2</option></select>';

document.getElementById("pokoj2_sub").innerHTML = '<br>Номер 2';
document.getElementById("dospeli_pokoj2_sub").innerHTML = '<select onchange=uprav_pocet_deti("child2",this.value,"pokoj_2_veky") size="1" name="adult2" class="field" ><option value="1">1</option><option value="2">2</option><option value="3">3</option></select>';
document.getElementById("deti_pokoj2_sub").innerHTML = '<span id="pokoj_2_veky" style="float:right"></span><select size="1" name="child2" class="field"  id="child2" onchange=deti_vek(this.value,"pokoj_2_veky");><option value="-1">0</option><option value="1">1</option><option value="2">2</option></select>';

document.getElementById("pokoj3_sub").innerHTML = '<br>Номер 3';
document.getElementById("dospeli_pokoj3_sub").innerHTML = '<select onchange=uprav_pocet_deti("child3",this.value,"pokoj_3_veky") size="1" name="adult3" class="field" ><option value="1">1</option><option value="2">2</option><option value="3">3</option></select>';
document.getElementById("deti_pokoj3_sub").innerHTML = '<span id="pokoj_3_veky" style="float:right"></span><select size="1" name="child3" class="field"  id="child3" onchange=deti_vek(this.value,"pokoj_3_veky");><option value="-1">0</option><option value="1">1</option><option value="2">2</option></select>';
    }
  }

function deti_vek(pocet_deti, element){
if(pocet_deti == -1){document.getElementById(element).innerHTML = '';}
if(pocet_deti == 0){document.getElementById(element).innerHTML = '';}


if(pocet_deti == 1){document.getElementById(element).innerHTML = '<span id="nadpis_vek"></span><select size="1" name="'+element+'_deti_1" class="field" ><option value="1">1</option><option value="2">2</option><option value="3">3</option><option value="4">4</option><option value="5">5</option><option value="6">6</option><option value="7">7</option><option value="8">8</option><option value="9">9</option><option value="10">10</option><option value="11">11</option><option value="12">12</option></select';}

if(pocet_deti == 2){ document.getElementById(element).innerHTML = '<span id="nadpis_vek"></span><select size="1" name="'+element+'_deti_1" class="field" ><option value="1">1</option><option value="2">2</option><option value="3">3</option><option value="4">4</option><option value="5">5</option><option value="6">6</option><option value="7">7</option><option value="8">8</option><option value="9">9</option><option value="10">10</option><option value="11">11</option><option value="12">12</option></select><br><select size="1" name="'+element+'_deti_2" class="field" ><option value="1">1</option><option value="2">2</option><option value="3">3</option><option value="4">4</option><option value="5">5</option><option value="6">6</option><option value="7">7</option><option value="8">8</option><option value="9">9</option><option value="10">10</option><option value="11">11</option><option value="12">12</option></select>';}

if(pocet_deti == 3){ document.getElementById(element).innerHTML = '<span id="nadpis_vek"></span><select size="1" name="'+element+'_deti_1" class="field" ><option value="1">1</option><option value="2">2</option><option value="3">3</option><option value="4">4</option><option value="5">5</option><option value="6">6</option><option value="7">7</option><option value="8">8</option><option value="9">9</option><option value="10">10</option><option value="11">11</option><option value="12">12</option></select><br><select size="1" name="'+element+'_deti_2" class="field" ><option value="1">1</option><option value="2">2</option><option value="3">3</option><option value="4">4</option><option value="5">5</option><option value="6">6</option><option value="7">7</option><option value="8">8</option><option value="9">9</option><option value="10">10</option><option value="11">11</option><option value="12">12</option></select><br><select size="1" name="'+element+'_deti_3" class="field" ><option value="1">1</option><option value="2">2</option><option value="3">3</option><option value="4">4</option><option value="5">5</option><option value="6">6</option><option value="7">7</option><option value="8">8</option><option value="9">9</option><option value="10">10</option><option value="11">11</option><option value="12">12</option></select>';}

if(pocet_deti > 0){document.getElementById('nadpis_vek').innerHTML = 'Возраст<br>детей<br>';}

 }
function uprav_pocet_deti(element, pocet_dospelych,element_deti_vek){
var obsah = "";
for(i=0;i<=(3-pocet_dospelych);i++){
obsah = obsah+"<option value="+i+">"+i+"</option>";
}
document.getElementById(element).innerHTML = obsah;
document.getElementById(element_deti_vek).innerHTML = '';
 }