var Dom = YAHOO.util.Dom;
var Anim = YAHOO.util.Anim;
var Ev = YAHOO.util.Event;

	function validKontaktFormInitCheck(e){
		

		var kontaktForm = Dom.get('kontakt_form');
		var regEmail	= new RegExp('^([_a-zA-Z0-9\\.\\-]+)@([_a-zA-Z0-9\\.\\-]+)\\.([a-zA-Z]{2,4})$','i');
		
		var errMsg = "";
		
		if (Dom.get('kontakt_jmeno').value == ""){
			errMsg += TXT_UR_VALIDATION_JMENO_ERR+"\n"
		}

		if (Dom.get('kontakt_prijmeni').value == ""){
			errMsg += TXT_UR_VALIDATION_PRIJMENI_ERR+"\n"
		}
		
		if (Dom.get('kontakt_email').value == ""){
			errMsg += TXT_UR_VALIDATION_EMAIL_ERR+" prazdna \n"
		} else if (!regEmail.test(Dom.get('kontakt_email').value)){
			errMsg += TXT_UR_VALIDATION_EMAIL_ERR+" spatne \n"
		}

		if (Dom.get('kontakt_text').value == ""){
			errMsg += TXT_KONTAKTFORM_VALIDATION_TEXT_ERR+"\n"
		}
	
		if (errMsg==""){
			kontaktForm.action = "/_system/valid_s_send_kontaktform.php"
		} else {
			alert(errMsg)
			Ev.stopEvent(e)
		}
		
	}
		
	function validKontaktFormInit(){
		Ev.addListener(Dom.get('kontakt_form'), 'submit', validKontaktFormInitCheck)
	}
	
	Ev.onDOMReady(validKontaktFormInit);