// JavaScript Document

function default_email() {
  document.getElementById('mail').jmeno.style.borderColor = '#cbcbcb';
  document.getElementById('mail').email.style.borderColor = '#cbcbcb';
  document.getElementById('mail').predmet.style.borderColor = '#cbcbcb';
  document.getElementById('mail').text.style.borderColor = '#cbcbcb';
  document.getElementById('mail').soucet.style.borderColor = '#cbcbcb';
}

function kontrola_email(result) {
  var pom = true;
  document.getElementById('mail').jmeno.style.borderColor = '#cbcbcb';
  document.getElementById('mail').email.style.borderColor = '#cbcbcb';
  document.getElementById('mail').predmet.style.borderColor = '#cbcbcb';
  document.getElementById('mail').text.style.borderColor = '#cbcbcb';
  document.getElementById('mail').soucet.style.borderColor = '#cbcbcb';
  
  if (document.getElementById('mail').jmeno.value.length < 2) {
    pom = false;
    document.getElementById('mail').jmeno.style.borderColor = 'red'; 
  }
  
  if (document.getElementById('mail').text.value.length < 2) {
    pom = false;
    document.getElementById('mail').text.style.borderColor = 'red'; 
  }
  
  if ((document.getElementById('mail').email.value == "")||(document.getElementById('mail').email.value.indexOf('@') == -1)||(document.getElementById('mail').email.value.indexOf('.') == -1)||(document.getElementById('mail').email.value.indexOf('@') > document.getElementById('mail').email.value.lastIndexOf('.'))) {
    pom = false;
    document.getElementById('mail').email.style.borderColor = 'red'; 
  }
  
  if (document.getElementById('mail').predmet.value.length < 2) {
    pom = false;
    document.getElementById('mail').predmet.style.borderColor = 'red'; 
  }
  
  if (document.getElementById('mail').soucet.value != result) {
    pom = false;
    document.getElementById('mail').soucet.style.borderColor = 'red'; 
  }
  return pom;
}

function default_dotaz() {
  document.getElementById('mail').jmeno.style.borderColor = '#cbcbcb';
  document.getElementById('mail').email.style.borderColor = '#cbcbcb';
  document.getElementById('mail').text.style.borderColor = '#cbcbcb';
  document.getElementById('mail').soucet.style.borderColor = '#cbcbcb';
}

function kontrola_dotaz(result) {
  var pom = true;
  document.getElementById('mail').jmeno.style.borderColor = '#cbcbcb';
  document.getElementById('mail').email.style.borderColor = '#cbcbcb';
  document.getElementById('mail').text.style.borderColor = '#cbcbcb';
  document.getElementById('mail').soucet.style.borderColor = '#cbcbcb';
  
  if (document.getElementById('mail').jmeno.value.length < 2) {
    pom = false;
    document.getElementById('mail').jmeno.style.borderColor = 'red'; 
  }
  
  if (document.getElementById('mail').text.value.length < 2) {
    pom = false;
    document.getElementById('mail').text.style.borderColor = 'red'; 
  }
  
  if (document.getElementById('mail').email.value.length < 5) {
    pom = false;
    document.getElementById('mail').email.style.borderColor = 'red'; 
  }
  
  if (document.getElementById('mail').soucet.value != result) {
    pom = false;
    document.getElementById('mail').soucet.style.borderColor = 'red'; 
  }
  return pom;
}


function mOverChB(img) {
    img.style.borderColor = '#009dd9';
}

function mOutChB(img) {
    img.style.borderColor = '#c7c9c8';
}

function mOverChM(menuitem) {
    document.getElementById(menuitem).style.fontWeight = 'bold';
    document.getElementById(menuitem).style.color = '#009dd9';
}

function mOutChM(menuitem) {
    if(menuitem.length != 5){
    document.getElementById(menuitem).style.fontWeight = 'normal';
    }
    document.getElementById(menuitem).style.color = '#4c5763';
}