var http_request = false;
   var actionGlobal=false;

function sendRequest(url, parameters) {

      http_request = false;
      if (window.XMLHttpRequest) { // Mozilla, Safari,...
         http_request = new XMLHttpRequest();
         if (http_request.overrideMimeType) {
         	// set type accordingly to anticipated content type
            //http_request.overrideMimeType('text/xml');
            //http_request.overrideMimeType('text/html');
         }
      } else if (window.ActiveXObject) { // IE
         try {
            http_request = new ActiveXObject("Msxml2.XMLHTTP");
         } catch (e) {
            try {
               http_request = new ActiveXObject("Microsoft.XMLHTTP");
            } catch (e) {}
         }
      }
      if (!http_request) {
         alert('Cannot create XMLHTTP instance');
         return false;
      }
      
      http_request.onreadystatechange = alertContents;
      http_request.open('POST', url, true);
      http_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
      http_request.setRequestHeader("Content-length", parameters.length);
      http_request.setRequestHeader("Connection", "close");
      http_request.send(parameters);
 }

function alertContents() {
	var container, noStatus;
	
	 container=document.getElementById('main_cont_left');	
	      	if(actionGlobal=="reloadMenu" ||
		       actionGlobal=="reloadNew")
		       noStatus=1;
	
      if (http_request.readyState == 4) {
      	if(!noStatus)
      	
      		{
     		
      		container.innerHTML ='<img src=\"images/loading.gif\"/>';
			}


         if (http_request.status == 200) {

            result = http_request.responseText;
		var splitResponse = result.split("<!-- SPLIT -->");

	if(actionGlobal=="reloadMenu")container=document.getElementById('menu_div');

			else if(actionGlobal!="deletePage" && actionGlobal!="reloadNew") {		
					 document.getElementById('parent_combo_new').innerHTML=splitResponse[1];
					 document.getElementById('menu_izv_view_all').innerHTML=splitResponse[2];
				};
					 container.innerHTML=splitResponse[0];

			switch (actionGlobal){
				
			case "reloadNew":
			document.getElementById('menu_item_new').innerHTML=result;
			
			break;
				
				
			case "submit_new":
					 navigate('menu_item_new', 'Saite pievienota!');
			break;

			case "submit_edit":
				document.getElementById('adm_system_info').innerHTML=
				'Izmaiņas apstiprinātas!';
			break;
			
			case "delete":
			 document.getElementById('adm_system_info').innerHTML='Saite dzēsta!';
			 break;

			case "deletePage":
		document.location.href ='adm_sadalas_index.php';
			 break;
					
			};
			

         } else {
            //alert('There was a problem with the request.');
         }
      }
}
   



///////////////////////////////////////////

function navigate(to, msg) {
if (arguments.length==1)msg="";
if (to=='menu_item_new') action('reloadNew',msg);
 document.getElementById('main_cont_left').innerHTML=
 document.getElementById(to).innerHTML;
};

//////////////////////////////////////////

function action(act, id) {
	
// alert (act+' '+id);
actionGlobal=act;
var parameters, url, title, parent, content;

 switch (act)
 {
/////////////////////////////////////////////////
 case "submit_new":

if(document.getElementById('izv_new_URL').disabled=="")
	 url=document.getElementById('izv_new_URL').value;
	else {url=document.getElementById('new_link_combo').value;}
 if (url=="")url="0";

 title=document.getElementById('izv_title_input').value;
 parent=document.getElementById('izv_parent_input').value;
 if (title.length<1)alert ('Ievadiet saites nosaukumu!');
 else {
 parameters= 'act=new&url='+ encodeURI(url)+
 '&title=' + encodeURI(title)+
 '&parent=' + encodeURI(parent);
 sendRequest('response.php', parameters);
 }

 break;
/////////////////////////////////////////////////
 case "edit":

 parameters= 'act=returnEdit&id='+id;
 sendRequest('response.php', parameters);

 break;
/////////////////////////////////////////////////
 case "submit_edit":
if(document.getElementById('edit_URL').disabled=="")
	 url=document.getElementById('edit_URL').value;
	else {url=document.getElementById('edit_link_combo').value;}
 if (url=="")url="0";
title=document.getElementById('edit_title').value;
 parent=document.getElementById('edit_parent_combo').value;
 if (title.length<1)alert ('Ievadiet saites nosaukumu!');
 else {
 parameters= 'act=submitEdit&url='+ encodeURI(url)+
 '&title=' + encodeURI(title)+
 '&id=' + encodeURI(id)+
 '&parent=' + encodeURI(parent);
// alert(parameters);
 sendRequest('response.php', parameters);

  }

 break;
/////////////////////////////////////////////////
case "delete":

 if (confirm("Vai tiešām dzēst izvēlēto saiti un visas tai piederīgās saites?")) {
 parameters= 'act=del&id='+id;
 sendRequest('response.php', parameters);
 }

 break;
/////////////////////////////////////////////////
 case "switchParent":
 var combo_id='combo_'+id;

 parameters= 'act=switchParent&id='+id
 +'&parent='+document.getElementById(combo_id).value;
 sendRequest('response.php', parameters);
 break;


/////////////////////////////////////////////////
 case "up":
 parameters= 'act=up&id='+id;
 sendRequest('response.php', parameters);
 break;

/////////////////////////////////////////////////
 case "down":
 parameters= 'act=down&id='+id;
 sendRequest('response.php', parameters);
 break;
/////////////////////////////////////////////////
 case "reloadMenu":
 parameters= 'id='+id;
 sendRequest('list_menu.php', parameters);
 break;

/////////////////////////////////////////////////
 case "reloadNew":
 sendRequest('inc/izv_add_new.php', 'msg='+id);
 break;

/////////////////////////////////////////////////
 case "menuRadioSwitch":

document.getElementById('edit_link_combo').disabled="";
document.getElementById('edit_URL').disabled="";

if (id==2)document.getElementById('edit_link_combo').disabled="disabled";
if (id==1)document.getElementById('edit_URL').disabled="disabled";
			
	
 break;
/////////////////////////////////////////////////
 case "menuRadioNewSwitch":

document.getElementById('new_link_combo').disabled="";
document.getElementById('izv_new_URL').disabled="";

if (id==4)document.getElementById('new_link_combo').disabled="disabled";
if (id==3)document.getElementById('izv_new_URL').disabled="disabled";
			
	
 break;
/////////////////////////////////////////////////

 case "deletePage":
if (confirm('Dzēst sadaļu?')){
 parameters= 'act=deletePage&id='+id;
 sendRequest('response.php', parameters);

};
 break;

/////////////////////////////////////////////////




 } // end switch
return false;

} // fn action end




///////////////////////////////////////////

function submitPage() {

var msg='';
if(	document.sadalas_form.jaun_title.value=='') msg=msg+'\nSadaļas nosaukuma lauks ir tukšs!';

//if(	document.sadalas_form.jaun_text.value=='') msg=msg+'\nTeksta lauks ir tukšs!';

if (msg=='')	document.sadalas_form.submit();
	else alert('Nevar apstriprināt sadaļu, jo tajā ir šādas nepinības:'+msg);
	

};

//////////////////////////////////////////
function showImg(MD5) {

   var width = 320;
    var height = 260;
    var left = parseInt((screen.availWidth/2) - (width/2));
    var top = parseInt((screen.availHeight/2) - (height/2));
    var windowFeatures = "width=" + width + ",height=" + height + ",status,resizable,left=" + left + ",top=" + top + "screenX=" + left + ",screenY=" + top
window.open('image.php?show&id='+MD5,MD5,windowFeatures);

};

//////////////////////////////////////////