function zkontroluj_email(adresa)
	{
   	 var pozice_zavinace = adresa.indexOf("@");
   	 if (pozice_zavinace < 0)
  	      return false;
  	  var cast_pred_zavinacem = adresa.substring(0,pozice_zavinace);
 	   var cast_po_zavinaci = adresa.substring(pozice_zavinace+1,adresa.length);
 	   if (cast_po_zavinaci.indexOf("@") >= 0)
	        return false;
	    if (cast_pred_zavinacem.length <= 0)
 	       return false;
	    if (cast_po_zavinaci.length <= 0)
	        return false;
	    return true;
	}

function kontrola_formulare()
	{	
	    var email_ok = zkontroluj_email(self.document.forms.f.mail.value);
	    var meno_ok = self.document.forms.f.meno.value.length > 0;
	    var priezvisko_ok = self.document.forms.f.priezvisko.value.length > 0;
	    var tel_ok = self.document.forms.f.telephone.value.length > 0;
	    var poznamka_ok = self.document.forms.f.sprava.value.length > 0;
	    
	    var hlaska = "";
      var zmena1 = document.getElementById("meno_p");
      var zmena2 = document.getElementById("priezvisko_p");
      var zmena3 = document.getElementById("telefon_p");
      var zmena4 = document.getElementById("sprava_p");
      var zmena5 = document.getElementById("email_p");
      
      if (!email_ok) zmena5.style.color="red";
	    else{
                    zmena5.style.color="black"
      }
	    if (!meno_ok) zmena1.style.color="red";
      else{ 
                    zmena1.style.color="black";
      }
	    if (!priezvisko_ok)zmena2.style.color="red"; 
	    else{
                         zmena2.style.color="black";
      }
	    if (!tel_ok)zmena3.style.color="red";
      else{ 
                  zmena3.style.color="black";
      }
	    if (!poznamka_ok)zmena4.style.color="red"; 
      else{
                       zmena4.style.color="black";
      }

	    var ok = meno_ok && priezvisko_ok && tel_ok && poznamka_ok && mail_p;
	    
      if (!ok) 
      return ok; 
}

function kontrola_formulare_limu(){	

	    var email_ok = zkontroluj_email(self.document.forms.f.mail.value);
	    var email2_ok = zkontroluj_email(self.document.forms.f.remail.value);
	    var meno_ok = self.document.forms.f.meno_p.value.length > 0;
	    var priezvisko_ok = self.document.forms.f.priezvisko_p.value.length > 0;
	    var tel_ok = self.document.forms.f.mobile_p.value.length > 0;
	    var pass_ok = self.document.forms.f.passangers_p.value.length > 0;
	    var adresa_ok = self.document.forms.f.adresa_p.value.length > 0;
	    var mesto_ok = self.document.forms.f.mesto_p.value.length > 0;
	    var krajina_ok = self.document.forms.f.krajina_p.value.length > 0;
	    var pdd_ok = self.document.forms.f.pdd_p.value.length > 0;
	    var pdt_ok = self.document.forms.f.pdt_p.value.length > 0;
	    var adresaOut_ok = self.document.forms.f.adresaOut_p.value.length > 0;
	    var cityOut_ok = self.document.forms.f.cityOut_p.value.length > 0;
	    var krajinaOuta_ok = self.document.forms.f.krajinaOut_p.value.length > 0;
	    var pddOut_ok = self.document.forms.f.pddOut_p.value.length > 0;
	    var pdtOut_ok = self.document.forms.f.pdtOut_p.value.length > 0; 

	    var hlaska = "";
      var zmena1 = document.getElementById("meno_p");
      var zmena2 = document.getElementById("priezvisko_p");
      var zmena3 = document.getElementById("passangers_p");
      var zmena4 = document.getElementById("mobile_p");
      var zmena5 = document.getElementById("mail_p");
      var zmena6 = document.getElementById("remail_p");
      
      var zmena7a = document.getElementById("adresa_p");
      var zmena7b = document.getElementById("mesto_p");
      var zmena8 = document.getElementById("krajina_p");
      var zmena9 = document.getElementById("pdd_p");
      var zmena10 = document.getElementById("pdt_p");
      
      var zmena11 = document.getElementById("adresaOut_p");
      var zmena12 = document.getElementById("cityOut_p");
      var zmena13 = document.getElementById("krajinaOut_p");
      var zmena14 = document.getElementById("pddOut_p");
      var zmena15 = document.getElementById("pdtOut_p");
      
      if (!email_ok) zmena5.style.color="red";
	    else{
                    zmena5.style.color="black"
      }
      if (!email2_ok) zmena6.style.color="red";
	    else{
                    zmena6.style.color="black"
      }
	    if (!meno_ok) zmena1.style.color="red";
      else{ 
                    zmena1.style.color="black";
      }
	    if (!priezvisko_ok)zmena2.style.color="red"; 
	    else{
                         zmena2.style.color="black";
      }
	    if (!tel_ok)zmena4.style.color="red";
      else{ 
                  zmena4.style.color="black";
      }
	    if (!pass_ok)zmena3.style.color="red"; 
      else{
                       zmena3.style.color="black";
      }     
      if (!adresa_ok) zmena7a.style.color="red";
      else{ 
                    zmena7a.style.color="black";
      }
	    if (!mesto_ok) zmena7b.style.color="red"; 
	    else{
                         zmena7b.style.color="black";
      }
	    if (!krajina_ok) zmena8.style.color="red";
      else{ 
                  zmena8.style.color="black";
      }
	    if (!pdd_ok)zmena9.style.color="red"; 
      else{
                       zmena9.style.color="black";
      }
      
      
       if (!pdt_ok) zmena10.style.color="red";
      else{ 
                    zmena10.style.color="black";
      }
	    if (!adresaOut_ok) zmena11.style.color="red"; 
	    else{
                         zmena11.style.color="black";
      }
	    if (!cityOut_ok) zmena12.style.color="red";
      else{ 
                  zmena12.style.color="black";
      }
	    if (!krajinaOuta_ok)zmena13.style.color="red"; 
      else{
                       zmena13.style.color="black";
      }
      if (!pddOut_ok) zmena14.style.color="red";
      else{ 
                  zmena14.style.color="black";
      }
	    if (!pdtOut_ok)zmena15.style.color="red"; 
      else{
                       zmena15.style.color="black";
      }

	    var ok = email_ok && email2_ok && meno_ok && priezvisko_ok && tel_ok && pass_ok && adresa_ok && mesto_ok && krajina_ok && pdd_ok && pdt_ok && adresaOut_ok && cityOut_ok && krajinaOuta_ok && pddOut_ok && pdtOut_ok;
	    
      if (!ok) 
      return ok; 
}

function printForm()
{
	var a = window.open();
	a.document.open();
	a.document.write(document.getElementById('printArea').innerHTML);
	a.document.close();
	a.print();
}