// AJAX Response Object.

var xmlHttpObjects = new Array();

var xmlHttp;



String.prototype.trim = function() 

{

	return this.replace(/^\s+|\s+$/g,"");

}



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

// AJAX Functions //

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

function GetXmlHttpObject()

{

	var xmlHttp=null;

	try

 	{

 		// IE 7 - Security Problem if it uses XMLHttpRequest();

 		xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");

 		

 	}

	catch (e)

 	{

 		//Internet Explorer

 		try

  		{

  			xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");

  		}

 		catch (e)

  		{

  			// Firefox, Opera 8.0+, Safari

 			xmlHttp=new XMLHttpRequest();

  		}

 	}

	return xmlHttp;

}



function callPHP(url, index, id)

{

	if (url==""){return;}

	// Call PHP Program with AJAX.

	xmlHttp=GetXmlHttpObject();

	if (xmlHttp==null)

 	{

 		alert ("Browser does not support HTTP Request");

 		return;

 	}

 	xmlHttpObjects[index] = xmlHttp;

 	xmlHttpObjects[index].onreadystatechange= function() {

 		if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")

 		{ 

 		    var count = 0;

 			var response = xmlHttpObjects[index].responseText;

 			var split = response.split("|");

 			if (split.length > 1)

 			{

 				count = split[1];

 				response = split[0];

 				var divcount = document.getElementsByTagName('div');

 				var countname = id.replace("COMMENT", "COUNT");

 				

 				for (var i = 0; i < divcount.length; i++)

 				{

 					if (divcount[i].id == countname)

 					{

 						divcount[i].innerHTML = "<p>Comments ("+parseInt(count.trim())+")</p>";
					//	alert(parseInt(count.trim()));

	 				}

	 			}

 			}

 			//alert(response);

 			var divs = document.getElementsByTagName('div');

 			for (var i = 0; i < divs.length; i++)

 			{

 				if (divs[i].id == id)

 				{

 					divs[i].innerHTML = response;

 				}

 			}

 			

 			

 		} 



 	}

	xmlHttpObjects[index].open("GET",url,true);

	xmlHttpObjects[index].send(null);

	

}











function expandComments(id, path, articleId)

{

    var url=path + "&task=default&articleId=" + articleId;

	callPHP(url, xmlHttpObjects.length, id);

}

function hideComments(id, path, articleId)

{

    var divs = document.getElementsByTagName('div');

 	for (var i = 0; i < divs.length; i++)

 	{

 		if (divs[i].id == id)

 		{

 			divs[i].innerHTML = "";

 		}

 	}

}

function addComments(id, path, articleId)

{

	var url=path + "&task=add&articleId=" + articleId;

	callPHP(url, xmlHttpObjects.length, id);

}

function saveComment(id, path, articleId)

{

    //alert('save comment');

	var url=path + "&task=save&articleId=" + articleId;

	var append = "";

	var form = document.getElementById('ADD' + id);

	append += "&web=" + encodeURIComponent(form.web.value);

	append += "&email=" + encodeURIComponent(form.email.value);

	append += "&user=" + encodeURIComponent(form.user.value);

	append += "&comments=" + encodeURIComponent(form.comments.value);

	append += "&captcha_code=" + encodeURIComponent(form.captcha_code.value);

	// This line is probably the key to getting proper data to the PHP side with UTF-8.  

	//var encappend = encodeURIComponent(append);

	url += append;

	callPHP(url, xmlHttpObjects.length, id);

}





function toHand()

{

	document.body.style.cursor = 'pointer';

}



function toDefault()

{

	document.body.style.cursor = 'default';

}