var xmlHttp = createXmlHttpRequestObject();
var cscript = "external/m_news_valid.php";
var dscript = "external/m_gallery_deli.php";
var sErr = false;
var cache = new Array();

	function createXmlHttpRequestObject() 
	{

		var xmlHttp;
		
		try
		{
		xmlHttp = new XMLHttpRequest();
		}
		catch(e)
		{
		var	XmlHttpVersions = new Array("MSXML2.XMLHTTP.6.0", "MSXML2.XMLHTTP.5.0", "MSXML2.XMLHTTP.4.0", "MSXML2.XMLHTTP.3.0", "MSXML2.XMLHTTP", "Microsoft.XMLHTTP");
			for (var i=0; i<XmlHttpVersions.length && !xmlHttp; i++)
			{
				try
				{
				xmlHttp = new ActiveXObject(XmlHttpVersions[i]);
				}
				catch (e) {}
			}
		}
		if (!xmlHttp)
			alert('Ошибка при создании объекта JAH');
		else
			return xmlHttp;

	}
	
	function displayError($message)
	{
		if (sErr)
		{
		sErr = false;
		alert("Ошибка: \n" + $message);
		setTimeout("validate();", 1000);
		}
	}
	
	function validate(inputValue, fieldID, path)
	{

		if (xmlHttp)
		{
			if(fieldID)
			{
				inputValue = encodeURIComponent(inputValue);
				fieldID = encodeURIComponent(fieldID);
				
				cache.push("inputValue=" + inputValue + "&fieldID=" + fieldID);
			}
			
			try
			{
				if ((xmlHttp.readyState == 4 || xmlHttp.readyState == 0) && cache.length > 0)
				{ 
					var cacheEntry = cache.shift();
					
					xmlHttp.open("POST", path+cscript, true);
					xmlHttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
					xmlHttp.onreadystatechange = handleRequestStateChange;
					xmlHttp.send(cacheEntry);
				}
			}
			catch (e)
			{
				displayError(e.toString()); alert(e);
			}
		}
	}
	
	
		function imgDelete(id, path)
	{

		if (xmlHttp)
		{
			if(id)
			{
				id = encodeURIComponent(id);
				
				cache.push("img=" + id);
			}
			
			try
			{
				if ((xmlHttp.readyState == 4 || xmlHttp.readyState == 0) && cache.length > 0)
				{ 
					var cacheEntry = cache.shift();
					
					xmlHttp.open("POST", path+dscript, true);
					xmlHttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
					xmlHttp.onreadystatechange = handleRequestStateChange;
					xmlHttp.send(cacheEntry);
				}
			}
			catch (e)
			{
				displayError(e.toString()); alert(e);
			}
		}
	}
	
	function handleRequestStateChange()
	{ 
		if (xmlHttp.readyState == 4)
		{
			if (xmlHttp.status == 200)
			{
				try
				{
					readResponse();
				}
				catch (e)
				{
					displayError(e.toString());
				}
			}
			else
			{
				displayError(xmlHttp.statusText);
			}
		}
	}
	
	function readResponse()
	{
		var response = xmlHttp.responseText;
		
		if (response.indexOf("ERRNO") >= 0 || response.length == 0)
			throw(response.length == 0 ? "Server error." : response);
		responseXml = xmlHttp.responseXML;
		xmlDoc = responseXml.documentElement;
		result = xmlDoc.getElementsByTagName("result")[0].firstChild.data;
		fieldID = xmlDoc.getElementsByTagName("fieldid")[0].firstChild.data;
		message = document.getElementById(fieldID);
		message.value = result;
		setTimeout("validate();", 500);
	}
	
	function setFocus(element)
	{
		document.getElementById('title').focus();
	}