// JavaScript Document
      //rozjíždení menu
  function zobraz(idecko){
    el=document.getElementById(idecko).style;
    el.display=(el.display == 'block')?'none':'block';
  }




function prepni(m){
  obj=document.getElementById("menu"+m);
  
  if(obj.style.display!="none"){
    obj.style.display="none";
    }
  else{
    obj.style.display="block";
    }
  }

function sbal(m){
    
    for(i=0;i<=5;i++){
      if (i!=m) {
        document.getElementById("menu"+[i]).style.display="none";
      }
    }
  }

function rozbal(){
    
    for(i=0;i<=4;i++){
        document.getElementById("menu"+[i]).style.display="block";
    }
  }

//změna mailu
function mt(d,n,s,b) {
  location.href = "mailto:" + n + "@" + d + "?subject=" + encodeURI(s) + "&body=" + encodeURI(b);
}