function set_cookie2(name,value){
  var date = new Date();
  date.setTime(date.getTime()+(300*24*60*60*1000));
  var expires = "; expires="+date.toGMTString();
  var path = "; path=/";
  document.cookie = name+"="+value+expires+path;
}

function get_cookie ( cookie_name )
{
  var results = document.cookie.match ( cookie_name + '=(.*?)(;|$)' );

  if ( results )
    return ( unescape ( results[1] ) );
  else
    return null;
}

function upravimg(){
var elem = document.getElementById('sup');
    if(get_cookie('relatedartd')=="1")elem.src="./img/sup.gif";else
   elem.src="./img/sdown.gif";
}

function hidegagtex(id,imgid){
  var elem = document.getElementById(id);
  var elem2 = document.getElementById(imgid);
  if(elem.style.display=="none"){
    set_cookie2(id,"0");
    elem2.src="./img/sdown.gif";
  }else{
    set_cookie2(id,"1");
    elem2.src="./img/sup.gif";
  }
  elem.style.display = (elem.style.display == "none"? "": "none");
}

function hidegagnoc(id){
  var elem = document.getElementById(id);
  elem.style.display = (elem.style.display == "none"? "": "none");
}

function hidegag(id) {
  
  var elem = document.getElementById(id);
  if(elem.style.display=="none"){
    set_cookie2(id,"0");
  }else{
    set_cookie2(id,"1");
  }
  elem.style.display = (elem.style.display == "none"? "": "none");
}

function hidegagt(id) {

  var elem = document.getElementById(id);
  var elem2 = document.getElementById("linka");
  var elem3 = document.getElementById("lmenu");
  var elem4 = document.getElementById("pmenu");
  var elem5 = document.getElementById("main_index");
  if(elem.style.display=="none"){
    set_cookie2(id,"0");
    elem2.style.top="105px";
    elem3.style.top="117px";
    elem4.style.top="117px";
    elem5.style.top="117px";
  }else{
    set_cookie2(id,"1");
    elem2.style.top="0px";
    elem3.style.top="12px";
    elem4.style.top="12px";
    elem5.style.top="12px";
  }
  elem.style.display = (elem.style.display == "none"? "": "none");
}

function movecenz(id,typ) {

  var xmlhttp = (window.XMLHttpRequest ? new XMLHttpRequest : (window.ActiveXObject ? new ActiveXObject("Microsoft.XMLHTTP") : false));
  var x = confirm("Převede komentář před schválení newsky/fotky (červené záhlaví)\nPokračovat?");
  if(x){
    xmlhttp.open("POST", "/admin/move_comment.php", false);
	xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
	if (xmlhttp.overrideMimeType) {
		xmlhttp.overrideMimeType('text/html;charset=windows-1250');
	}

//	xmlhttp.setRequestHeader('Content-Encoding', 'windows-1250');
	xmlhttp.send("typ="+typ+"&id="+id);
	if(xmlhttp.responseText=="ok")window.location=window.location;//else alert(xmlhttp.responseText);
  }
}

function shadowheader(id,id2,value){
	var browser=navigator.appName;
	var b_version=navigator.appVersion;
	var version=parseFloat(b_version);
	var obj = document.getElementById(id);
	
	if(value==1){
	if(browser=="Netscape" && (version>=4)){
		obj.style.opacity = .25;
	}else if(browser=="Microsoft Internet Explorer" && (version>=4)){
		for (i=0;i<obj.childNodes.length;i++){
			node=obj.childNodes[i];
			node.style.filter = 'alpha(opacity=25)';
		}
	}else if((browser=="Opera" && (version>=9))){
		obj.style.opacity = .25;
	}else{
		obj.style.opacity = .25;
	}
	}else if(value==0){
	if(browser=="Netscape" && (version>=4)){
		obj.style.opacity = 1.00;
	}else if(browser=="Microsoft Internet Explorer" && (version>=4)){
		for (i=0;i<obj.childNodes.length;i++){
			node=obj.childNodes[i];
			node.style.filter = 'alpha(opacity=100)';
		}
	}else if((browser=="Opera" && (version>=9))){
		obj.style.opacity = 1.00;
	}else{
		obj.style.opacity = 1.00;
	}
	}
}

function vischange(id,id2,id3,id4,body){
	var obj = document.getElementById(id).style;
	var obj3;
	var text = "";

	if(id3!="reply_"){
		obj3 = document.getElementById(id3).style;
	}else{
		obj3 = "";
	}
		
	if(obj.display == 'block'){
		obj.display = 'none';
		if(obj3!="")obj3.display = 'none';
		text = "<img src=\"/img/icons/arrow_down.png\" style=\"cursor:pointer;\" alt=\"Zobrazit komentář\" /> ";
		shadowheader(id4,id2,1);
	}else{
		obj.display = 'block';
		if(obj3!="")obj3.display = 'block';
		text = "<img src=\"/img/icons/arrow_top.png\" style=\"cursor:pointer;\" alt=\"Skrýt komentář\" /> ";
		shadowheader(id4,id2,0);
	}
	
	document.getElementById(id2).innerHTML='<div style=\"color:#cccccc;margin-left:0px;\" onclick=\"javascript:vischange(\''+id+'\',\''+id2+'\',\''+id3+'\',\''+id4+'\',\''+body+'\');\">'+text+'</div>';
}