function petisub(num) {
	if (num) {
		document.getElementById("view_sig").value = 1;
		} else {
		document.getElementById("view_sig").value = 0;
	}
	document.petForm.submit();
}

function validate() {
	if (document.petForm.first_name.value.length < 1 || document.petForm.last_name.value.length < 1 || document.petForm.email.value.length < 1 ) {
	alert ("Please fill in the required fields!");
	return false;
	} else {
 document.getElementById("view_sig").value = 0;
 }
}

function setlang(lang) {
	switch(lang) {
	   case "en":
	    document.getElementById("lang_en").style.display = "block";		
	    document.getElementById("head_en").style.display = "block";		
	    document.getElementById("lang_sk").style.display = "none";		
	    document.getElementById("head_sk").style.display = "none";		
	    document.getElementById("lang_hu").style.display = "none";		
	    document.getElementById("head_hu").style.display = "none";		
	    break;
	   case "sk":
	    document.getElementById("lang_en").style.display = "none";		
	    document.getElementById("head_en").style.display = "none";		
	    document.getElementById("lang_sk").style.display = "block";		
	    document.getElementById("head_sk").style.display = "block";		
	    document.getElementById("lang_hu").style.display = "none";		
	    document.getElementById("head_hu").style.display = "none";		
	    break;
	   case "hu":
	    document.getElementById("lang_en").style.display = "none";		
	    document.getElementById("head_en").style.display = "none";		
	    document.getElementById("lang_sk").style.display = "none";		
	    document.getElementById("head_sk").style.display = "none";		
	    document.getElementById("lang_hu").style.display = "block";		
	    document.getElementById("head_hu").style.display = "block";		
	    break;
	}
}

function noview() {
 document.getElementById("view_sig").value = 0;
}