function validate_email(field)
{
with (field)
{
apos=value.indexOf("@");
dotpos=value.lastIndexOf(".");
if (apos<1||dotpos-apos<2)
  {
field.style.border="2px solid red";
document.getElementById(field.id+'_req').innerHTML='Toto nevyzerá ako email';
return false;}
else {
field.style.border="2px solid LawnGreen";
document.getElementById(field.id+'_req').innerHTML='';
return true;}
}
}
function kontrolahesiel(){
	var txt1=document.getElementById('heslo1')
	var txt2=document.getElementById('heslo2')
	if (txt1.value == txt2.value && txt1.value!=null && txt1.value!="" && txt2.value!=null && txt2.value!="" && txt1.value.length>4) {
		txt1.style.border="2px solid LawnGreen";
		txt2.style.border="2px solid LawnGreen";
		document.getElementById('heslo1_req').innerHTML='';
		document.getElementById('heslo2_req').innerHTML='';
		return true;
	}
	else{
	    txt1.style.border="2px solid red";
		txt2.style.border="2px solid red";
		document.getElementById('heslo1_req').innerHTML='Heslo a potvrdenie hesla musia byť rovnaké a nenulové';
		document.getElementById('heslo2_req').innerHTML='Heslo a potvrdenie hesla musia byť rovnaké a nenulové';
		return false;
	}
}
function validate_required(field)
{
with (field)
{
		if (field.id=="login") {
			if(field.value.length<5){
				field.style.border="2px solid red";
		document.getElementById(field.id+'_req').innerHTML='Toto pole musí byť vyplnené - viac ako 5 znakov';
		return false;
			}
			else{
				field.style.border="2px solid LawnGreen";
		document.getElementById(field.id+'_req').innerHTML='';
		return true;
			}
		}
		if (value==null||value=="")
		  {
		field.style.border="2px solid red";
		document.getElementById(field.id+'_req').innerHTML='Toto pole musí byť vyplnené';
		return false;}
		else {
		field.style.border="2px solid LawnGreen";
		document.getElementById(field.id+'_req').innerHTML='';
		return true}
}
}

function check_field(min, max, field){
	if(field.value.length<min || field.value.length>max || (field.value.length==0) || (field.value==null)){
	field.style.border="2px solid red";
	}
	else{
	field.style.border="2px solid LawnGreen";
	}
}
function validate_form(thisform)
{
 var state;
 with (thisform)
 {
  if (validate_required(email)==false || validate_email(email)==false)
   {
    state=false;
   }
  if (validate_required(login)==false)
   {
    state=false;
   }
if (kontrolahesiel()==false) {
	state=false;
}
}
if (state==false) {return false;}

}
/**
 *
 * @access public
 * @return void
 **/
function zobraz_koment_form(hra){
	document.getElementById('form_koment').innerHTML="<br /><form method='post' action='/actions.php?co=pridajkoment&amp;id="+hra+"'>Predmet<br /><input type='text' name='predmet' maxlength='200' size='30' /><br />Text<br /><textarea name='obsah' rows='7' cols='65'></textarea></br><br /><input type='submit' value='Uložiť' /></form>";

}