function SetCol(Element, Col) {
        if (Element.style)
          Element.style.backgroundColor = Col;
      }
      function CheckForm(Form){
        var ColErr = "#ff6666";
        var ColOK = "";
        var Valid = true;
      if (Form.jmeno.value == ""){
          Valid = false;
          SetCol(Form.jmeno, ColErr);
        } else {
          SetCol(Form.jmeno, ColOK);
        }
      if (Form.prijmeni.value == ""){
          Valid = false;
          SetCol(Form.prijmeni, ColErr);
        } else {
          SetCol(Form.prijmeni, ColOK);
        }
      if (Form.ulice.value == ""){
          Valid = false;
          SetCol(Form.ulice, ColErr);
        } else {
          SetCol(Form.ulice, ColOK);
        }
      if (Form.obec.value == ""){
          Valid = false;
          SetCol(Form.obec, ColErr);
        } else {
          SetCol(Form.obec, ColOK);
        }
      if (Form.psc.value == ""){
          Valid = false;
          SetCol(Form.psc, ColErr);
        } else {
          SetCol(Form.psc, ColOK);
        }
      if (Form.telefon.value == ""){
          Valid = false;
          SetCol(Form.telefon, ColErr);
        } else {
          SetCol(Form.telefon, ColOK);
        }
      if (Form.mail.value == ""){
          Valid = false;
          SetCol(Form.mail, ColErr);
        } else {
          SetCol(Form.mail, ColOK);
        }
      if (Form.rok.value == ""){
          Valid = false;
          SetCol(Form.rok, ColErr);
        } else {
          SetCol(Form.rok, ColOK);
        }
      if (Form.kupon.value == ""){
          Valid = false;
          SetCol(Form.kupon, ColErr);
        } else {
          SetCol(Form.kupon, ColOK);
        }
      if (!Valid)
          alert("Prosím, vyplňte označená políčka formuláře!");
        return Valid;
    	} 
	
   
     	  function CheckNumEdit (Edit) {
        var S = Edit.value - 0;
        if ((parseInt (S) == NaN)||
            (parseInt (S)+'' != S)){
            alert('Prosím, zadejte číslo!');
            Edit.focus();
            Edit.select();
        } else
          Edit.value = parseInt (S);
      }    
      function CheckMailEdit (Edit) {
            var re = new RegExp('^.+@.+\..{2,}$');
            if (!re.test(Edit.value)) {
            alert('Prosím, zadejte e-mail správně!');
            document.notForm.mail.focus();
            } else
            return true;
      }
      function CheckRokEdit (Edit) {
            var re = new RegExp('^19|20{1,1}[0-9]{2,2}$');
            if (!re.test(Edit.value)) {
            alert('Prosím, zadejte rok narození správně!');
            document.notForm.rok.focus();
            } else
            return true;
      }