function validate_field(forma,text, field)
{
with (field)
  {
  if(value==null||value=="")
    {alert(text);return false;}
  else {
	  forma.submit();
	  return true;}
  }
}
function validate_field2(forma,text,field)
{
	var fieldas = document.getElementById(field);
	if(fieldas.value==null || fieldas.value==""){
		alert(text);
	}else{
		forma.submit();
	}
}
function validate_fields()
{
	var field = document.getElementById("vardas");
	var email = document.getElementById("mano_email");
	var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
	var text = "";
	var blogai = 0;
	
    if (field.value == "" || field.value == null || field.value.charAt(0) == ' ')
    {
		text += "Neįvedėte savo vardo!\n";
		field.style.background = "red";
		blogai++;
    }
	if(email.value.match(reg) == false || email.value.match(reg)==null) {
		text += 'Blogas el.pašto adresas!';
		email.style.background = "red";
		blogai++;
	}
	
	if(blogai>0){
		alert(text);
		return false;
	}else{
		return true;
	}
	
}

function meniu_show(divas){
	divas.style.zIndex=100;
	var divas2 = divas.getElementsByTagName("div");
	divas2[0].style.visibility="visible";
	divas2[0].style.zIndex=2;
}
function meniu_hidden(divas){
	divas.style.zIndex=0;
	var divas2 = divas.getElementsByTagName("div");
	divas2[0].style.visibility="hidden";
	divas2[0].style.zIndex=100;
}
function bubble_show(divas){
	divas.style.zIndex=0;
	var divas2 = divas.getElementsByTagName("div");
	divas2[0].style.visibility="visible";
	divas2[0].style.zIndex=1;
}
function bubble_hidden(divas){
	divas.style.zIndex=0;
	var divas2 = divas.getElementsByTagName("div");
	divas2[0].style.visibility="hidden";
	divas2[0].style.zIndex=0;
}
function show_bureliai(vardas){
	var divas = document.getElementById("full_text");
	divas.innerHTML = vardas;
}
function rodo_big(){
	var divas = document.getElementById("big_cursor");
	divas.style.visibility="visible";
}
function nerodo_big(){
	var divas = document.getElementById("big_cursor");
	divas.style.visibility="hidden";
}