var state = 'none';

function showhide(layer_ref) {

if (state == 'block') {
state = 'none';
}
else {
state = 'block';
}

if (document.getElementById(layer_ref).style.display == 'block') {
state = 'none';
}
else {
state = 'block';
}


if (document.all) { //IS IE 4 or 5 (or 6 beta)
eval( "document.all." + layer_ref + ".style.display = state");
}
if (document.layers) { //IS NETSCAPE 4 or below
document.layers[layer_ref].display = state;
}
if (document.getElementById &&!document.all) {
hza = document.getElementById(layer_ref);
hza.style.display = state;
}
}


function comment(datum){
    window.open("comment.php?datum="+datum, "", "menubar=no,scrollbars=yes,status=no,resizeable=no,width=400,height=500");
}	

function textCounter(field, countfield, maxlimit) {
    if (field.value.length > maxlimit){
	field.value = field.value.substring(0, maxlimit);
    }
    else {countfield.value = maxlimit - field.value.length;}
}

function vigyor(text) {
    var txtarea = document.getElementById('hozzaszolas');
    text = ' ' + text + ' ';
    
    	txtarea.value  += text;
	txtarea.focus();
    
}

function submitvendeg(){

    nev = document.getElementById('neve').value;
    text = document.getElementById('hozzaszolas').value; 
    
    
    if (nev!='' && text!=''){
	document.vkonyv.submit();
    }
    else {
	if (nev!='' && text==''){
	    alert('Kérlek írj hozzászólást!');
	}
	if (nev=='' && text!=''){
	    alert('Kérlek írd be a neved!');
	}
    }

}

function ujablak(eleres) {
var load = window.open('player.php?video='+eleres,'','scrollbars=no,menubar=no,height=310,width=375,resizable=no,toolbar=no,location=no,status=no, top=20, left=20');
}