function getObj (name) 
  {
    if (typeof name == "object") return name;
    if (document.getElementById) return document.getElementById(name);
    if (document.all) return eval('document.all.'+name);
	  if (document.layers) return document.layers[name];
    else return null;
  }

function cekej(ms)
  {
    var date = new Date();
    var curDate = null;

    do { curDate = new Date(); }
    while(curDate-date < ms);
  } 
  
function reg_form()
  {
	formular = getObj("frm_registrace");
	if (formular.inp_typ.value == 'o')
	  {
		formular.inp_doruc_nazev.disabled = true;
		formular.inp_doruc_nazev.className = 'disabl';
		formular.inp_doruc_ulice.disabled = true;
		formular.inp_doruc_ulice.className = 'disabl';
		formular.inp_doruc_obec.disabled = true;
		formular.inp_doruc_obec.className = 'disabl';
		formular.inp_doruc_psc.disabled = true;
		formular.inp_doruc_psc.className = 'disabl';
		formular.inp_doruc_zeme.disabled = true;
		formular.inp_doruc_zeme.className = 'disabl';
		formular.inp_ic.disabled = true;
		formular.inp_ic.className = 'disabl';
		formular.inp_dic.disabled = true;
		formular.inp_dic.className = 'disabl';
	  }
	else
	  {
		formular.inp_doruc_nazev.disabled = false;
		formular.inp_doruc_nazev.className = '';
		formular.inp_doruc_ulice.disabled = false;
		formular.inp_doruc_ulice.className = '';
		formular.inp_doruc_obec.disabled = false;
		formular.inp_doruc_obec.className = '';
		formular.inp_doruc_psc.disabled = false;
		formular.inp_doruc_psc.className = '';
		formular.inp_doruc_zeme.disabled = false;
		formular.inp_doruc_zeme.className = '';
		formular.inp_ic.disabled = false;
		formular.inp_ic.className = '';
		formular.inp_dic.disabled = false;
		formular.inp_dic.className = '';
	  }
  }

  function firma_dspl ()
  {
	  firma = getObj("fldset_firma");
	  if ((firma.style.display == "none"))
	    {
            firma.style.display = "block";
	    }
	  else
	    {
	        firma.style.display = "none";
	    }
  }

  function kosikCheck (frmname)
    {
	  podminky = getObj("inp_podminky");
	  if ((podminky.checked == true))
	    {
		  return true;
		}
	  else
	    {
		  alert("Před odesláním objednávky musíte souhlasit s obchodními podmínkami!");
		  return false;
		}
	}
  
  function adresa_dspl ()
 {
	  tbl = getObj("tbl_dodaci");
	  skrtatko = getObj("inp_dodaci");
	  if ((skrtatko.checked == true))
	    {
            tbl.style.display = "block";
		}
	  else
	    {
	        tbl.style.display = "none";
	    }
  }
  
  function panel_dspl (panel)
  {
	  panylek = getObj(panel);
	  zobrazovatko = getObj(panel+"_down");
	  skryvatko = getObj(panel+"_up");
	  if ((panylek.style.display == "none") && (skryvatko.style.display == "none") && (zobrazovatko.style.display == "inline"))
	    {
            panylek.style.display = "inline";
		    skryvatko.style.display = "inline";
		    zobrazovatko.style.display = "none";	       
	    }
	  else
	    {
	        panylek.style.display = "none";
		    skryvatko.style.display = "none";
		    zobrazovatko.style.display = "inline";
	    }
  }
  
function pop_show (pop)
  {
    obj = getObj("pop_"+pop);
	obj.style.display="inline";
  }
  
function pop_hide (pop)
  {
    cekej(250);
	obj = getObj("pop_"+pop);
	obj.style.display="none";
  }  
  
  function kontrola(co,hodnota) {
    if (co == 'sirka') 
	  {
        if ((screen.availWidth-10) < hodnota) 
		  {
            sirka = (screen.availWidth-10);
	      }
        else
          {
            sirka = hodnota;
          }	
        return (sirka);
      }	
    else
      {
	    if ((screen.availHeight-40) < hodnota) 
		  {
	        vyska = (screen.availHeight-40);
	      }
	    else
		  {
	        vyska = hodnota; 
	      }
	    return (vyska);
	  }   
}

  function otevriokno(sirka,vyska,jmeno,cil) 
    {
      // sirka = kontrola('sirka',sirka);
      // vyska = kontrola('vyska',vyska);
      // window.open(cil, jmeno,"toolbar=no, location=no, directories=no, status=no, menubar=no, resizable=no, scrollbars=yes, copyhistory=yes, width="+sirka+", height="+vyska);
	   window.open(cil, jmeno,"toolbar=no, location=no, directories=no, status=no, menubar=no, resizable=yes, scrollbars=yes, copyhistory=yes");
    }