// Ajax Object
var loading = "<div><table  align=\"center\" border='0' ><tr><td><img src=\"images/loading.gif\"></td><td>Зареждане... Моля изчакайте!</td></tr></table></div>";
var error_101 = "Error logging out!";

function element(id)
{
	return document.getElementById(id);
}
function createRequestObject()
{
	var request_o;
	var browser = navigator.appName; 

	if(window.XMLHttpRequest)
	{
		request_o = new XMLHttpRequest();
	}
	else
	{
		request_o = new ActiveXObject("Microsoft.XMLHTTP");
	} 
	return request_o;
}
var http = createRequestObject(); 

function doNews()
{
	var url="admin.php?show=news";
	var panel = element("container");
	panel.innerHTML = loading;
	http.open ('get',url);
	http.onreadystatechange =  function _doNews_()
	{
		if(http.readyState == 4 && (http.status == 200 ||  http.status == 304) )
		{
				var answer =  http.responseText;
					
				panel.innerHTML = answer;			
		}
	};
	http.send(null);
}
function doFiles()
{
	var url="admin.php?show=files";
	var panel = window.parent.document.getElementById("container");
	panel.innerHTML = loading;
	
	http.open ('get',url);
	http.onreadystatechange =  function _doFiles_()
	{
		if(http.readyState == 4 && (http.status == 200 ||  http.status == 304) )
		{
				var answer =  http.responseText;
				panel.innerHTML = answer;	
		}
	};
	http.send(null);
}
function doMenus()
{
	var url="admin.php?show=menus";
	var panel = document.getElementById("container");
	panel.innerHTML = loading;
	
	http.open ('get',url);
	http.onreadystatechange =  function _doMenus_()
	{
		if(http.readyState == 4 && (http.status == 200 ||  http.status == 304) )
		{
				var answer =  http.responseText;
				panel.innerHTML = answer;		
		}
	};
	http.send(null);
}
function doHTML()
{
	var url="admin.php?show=html";
	var panel = document.getElementById("container");
	panel.innerHTML = loading;
	
	http.open ('get',url);
	http.onreadystatechange =  function _doHTML_()
	{
		if(http.readyState == 4 && (http.status == 200 ||  http.status == 304) )
		{
				var answer =  http.responseText;
				panel.innerHTML = answer;		
		}
	};
	http.send(null);
}
function doNewNews()
{
	var url = 'admin.php?c=new_news';
	http.open ('get',url);
	http.onreadystatechange = function _doNewNews_()
	{
		if(http.readyState == 4 && http.status == 200)
		{
			
			var answer = http.responseText;
			
			element("news_id").value= answer;
		}
	};
	http.send(null);
}
function doSaveNews()
{
	var id= element("news_id").value;
	var title = element("news_title").value;
	var text = element("news_text").value;
	var url = 'admin.php?c=save_news';
	var params = 'id='+id+"&title="+title+"&text="+text;
	http.open ('post',url);
	http.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	http.onreadystatechange = function _doSaveNews_()
	{
		if(http.readyState == 4 && http.status == 200)
		{
			var answer = http.responseText;
			if(answer.substring(0,7) == "[error]")
			{
				alert(answer.substring(7,answer.length));doNews();return false;
			}	
		}
	};
	http.send(params);
}
function editNews(id)
{
	var url = 'admin.php?c=edit_news&id='+id;
	http.open ('get',url);
	http.onreadystatechange = function _editNews_()
	{
		if(http.readyState == 4 && http.status == 200)
		{
			var answer = http.responseText;
			
			if(answer.substring(0,7) == "[error]")
			{
				alert(answer.substring(7,answer.length));return false;
			}	
			else
			{
				var info;
				var title = element('news_title');
				var text = element('news_text');
				var id = element('news_id');
				info = answer.split("|");
				title.value = info[0];
				text.value = info[1];
				id.value = info[2];
			}
		}
	};
	http.send(null);
}
function deleteNews(id)
{
	question = confirm(" Искате ли да изтриете");
	if(question)
	{
		var url = 'admin.php?c=delete_news&id='+id;
		http.open ('get',url);
		http.onreadystatechange = function _deleteNews_()
		{
			if(http.readyState == 4 && http.status == 200)
			{
				var answer = http.responseText;
				
				if(answer.substring(0,7) == "[error]")
				{
					alert(answer.substring(7,answer.length));
					doNews();	
				}	
			}
		};
		http.send(null);
	}
}
function isConnected(answer)
{
	var len = answer.length;
	
	if(answer.substring(0,7) == "[error]")
	{
		alert(answer.substring(7,len));return false;
	}
	else
	{
		return true;
	}
}
function doSaveHTML()
{
		var title = element("html_title").value;
		var html = element("html_text").value;
		var url = 'admin.php?c=save_html';
		var params = 'title='+title+"&html="+ html;
	    http.open ('post',url);
		http.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
		http.onreadystatechange = function _doSaveHTML_()
		{
			if(http.readyState == 4 && http.status == 200)
			{
				var answer = http.responseText;
				if(answer.substring(0,7) == "[error]")
				{
					alert(answer.substring(7,answer.length));doHTML();return false;
				}	
			}
	};
	http.send(params);
}
function doSaveMenu()
{
	var title = element("menu_title").value;
	var address = element("menu_url").value;
	var menu = element("menu_n").value;
	var url = 'admin.php?c=save_menu';
	var params = 'title='+title+"&url="+address+"&menu="+menu;
	http.open ('post',url);
	http.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	http.onreadystatechange = function _doSaveMenu_()
	{
		if(http.readyState == 4 && http.status == 200)
		{
			var answer = http.responseText;
			if(answer.substring(0,7) == "[error]")
			{
				alert(answer.substring(7,answer.length));doMenus();return false;
			}	
		}
	};
	http.send(params);
}
function editMenu(id)
{
	var url = 'admin.php?c=edit_menu&menu='+id
	http.open ('get',url);
	http.onreadystatechange = function _editMenu_()
	{
		if(http.readyState == 4 && http.status == 200)
		{
			var answer = http.responseText;
			
			if(answer.substring(0,7) == "[error]")
			{
				alert(answer.substring(7,answer.length));return false;
			}	
			else
			{
				var info;
				var title = element('menu_title');
				var address = element('menu_url');
				var menu = element('menu_n');
				info = answer.split("|");
				title.value = info[0];
				address.value = info[1];
				menu.value = info[2];
			}
		}
	};
	http.send(null);
}
function deleteMenu(id)
{
	question = confirm(" Искате ли да изтриете");
	if(question)
	{
		var url = 'admin.php?c=delete_menu&menu='+id;
		http.open ('get',url);
		http.onreadystatechange = function _deleteMenu_()
		{
			if(http.readyState == 4 && http.status == 200)
			{
				var answer = http.responseText;
				
				if(answer.substring(0,7) == "[error]")
				{
					alert(answer.substring(7,answer.length));
					doMenus();	
				}	
			}
		};
		http.send(null);
	}
}
function doClear(box_id)
{
	var box = document.getElementById(box_id);
	var elements = box.getElementsByTagName('input');
	for (var i = 0; i < elements.length ; i++)
	{
		document.getElementById(elements[i].id).value = "";
		
	}
} 
function doLogin()
{	
	var user = document.getElementById('username');
	var passwd = document.getElementById('password');
	
	var url = 'login.php?username=' + user.value +'&passwd=' + passwd.value;
	
	http.open ('get',url);
	http.onreadystatechange = function _Login_()
	{
		if(http.readyState == 4 && http.status == 200)
		{
			var answer = http.responseText;
			if(!isConnected(answer)){return false;}
			switch (answer)
			{	
				case '0': 
				window.location= "";
				break;
				case '1': alert('Грешно име или парола!');break;
			}		
		}
	};
	http.send(null);
}
function doLogout()
{	
	var url = 'logout.php';
	http.open ('get',url);
	http.onreadystatechange = function checkLogout()
	{
		if(http.readyState == 4 && http.status == 200)
		{
			var answer = http.responseText;
			switch (answer)
			{	
				case '[i:OK]': alert('Излязохте успешно!');
				window.location = "";
				break;
				case 'error_101': alert(answer);break;
			}		
		}
	};
	http.send(null);
	
} 
function openPage(url, div)
{
	if(url==""){return;}
	element(div).innerHTML= loading;		
	http.open ('get',url);
	http.onreadystatechange = function _openPage_()
	{
		if(http.readyState == 4 && http.status == 200)
		{
			var answer = http.responseText;
			element(div).innerHTML= answer;		
		}
	};
	http.send(null);
}
function showElement(id)
{
	element(id).style.display="block";
}
function hideElement(id)
{
	element(id).style.display="none";
}
function toggle(x)
{
  x.className = (x.className=='show') ? 'hide' : 'show';

}
function cls(x)
{
  set = element(x);  	
  set.className = (set.className=='open') ? 'close' : 'open';

}
function classChange(x)
{
	x.className = (x.className=='main_menu') ? 'main_menu_h' : 'main_menu';
}
function deleteFile(path)
{

	question = confirm(" Искате ли да изтриете " + path);
	if(question)
	{
		var url = 'admin.php?c=delete_file&file='+path;
		http.open ('get',url);
		http.onreadystatechange = function _deleteFile_()
		{
			if(http.readyState == 4 && http.status == 200)
			{
				var answer = http.responseText;
				if(answer.substring(0,7) == "[error]")
					{
						alert(answer.substring(7,answer.length));
						doFiles();	
					}	
			}
		};
		http.send(null);
	}
}
function doResources()
{
	var url="admin.php?show=resources";
	var panel = element("container");
	panel.innerHTML = loading;
	http.open ('get',url);
	http.onreadystatechange =  function _doNews_()
	{
		if(http.readyState == 4 && (http.status == 200 ||  http.status == 304) )
		{
				var answer =  http.responseText;
					
				panel.innerHTML = answer;			
		}
	};
	http.send(null);
}
function editAddUrl()
{
	 var result = prompt("Въведи URL"); 
	if(result != null && result !=""){
		 element("res_text").value = element("res_text").value + "<a href='" + result + "'>"+result+"</a>";
	 }
}

function editHTML(title)
{
	var url = 'admin.php?c=edit_html&title='+title
	http.open ('get',url);
	http.onreadystatechange = function _editHTML_()
	{
		if(http.readyState == 4 && http.status == 200)
		{
			var answer = http.responseText;
			
			if(answer.substring(0,7) == "[error]")
			{
				alert(answer.substring(7,answer.length));return false;
			}	
			else
			{
				var info;
				var title = element('html_title');
				var html = element('html_text');
				info = answer.split("|");
				title.value = info[0];
				html.value = info[1];
			}
		}
	};
	http.send(null);
}
function deleteHTML(title)
{
	question = confirm(" Искате ли да изтриете");
	if(question)
	{
		var url = 'admin.php?c=delete_html&title='+title;
		http.open ('get',url);
		http.onreadystatechange = function _deleteHTML_()
		{
			if(http.readyState == 4 && http.status == 200)
			{
				var answer = http.responseText;
				
				if(answer.substring(0,7) == "[error]")
				{
					alert(answer.substring(7,answer.length));
					doHTML();	
				}	
			}
		};
		http.send(null);
	}
}
function search(type,page){
	
	var search = element("search").value;
	
	var url = 'search.php?for='+type+"&s=" +page +"&q=" + search
	http.open ('get',url);
	http.onreadystatechange = function _editHTML_()
	{
		if(http.readyState == 4 && http.status == 200)
		{
			var answer = http.responseText;
			element("mainbox").innerHTML = answer;
			
		}
	};
	http.send(null);
}
function changeStyle(id,style){
	var div=document.getElementById(id);
	if (div){
		div.className=style;
	}
}