/*
 * RSComments! javascript functions
*/

function rsc_edit(root,id)
{
	var loader = document.getElementById('rsc_loading');	
	var url = 'index.php?option=com_rscomments';
	var params = 'controller=comments&task=edit&cid='+id+'&format=raw&randomTime='+Math.random();
	xml=buildXmlHttp();

	xml.open('POST',root + url,true);
	

	xml.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	xml.setRequestHeader("Content-length", params.length);
	xml.setRequestHeader("Connection", "close");
	
	xml.onreadystatechange=function()
    {
		if(xml.readyState==4)
		{
			loader.style.display = 'none';
			response = xml.responseText;
			response = response.split('{s3p}');
			document.rscommentsForm.IdComment.value = response[0];
			document.rscommentsForm.name.value = response[1];
			document.rscommentsForm.email.value = response[2];
			if (isset(document.rscommentsForm.subject))
				document.rscommentsForm.subject.value = response[3];
			if (isset(document.rscommentsForm.website))
				document.rscommentsForm.website.value = response[4];
			document.rscommentsForm.comment.value = response[5];
			document.rscommentsForm.name.disabled = false;
			document.rscommentsForm.email.disabled = false;
		}
    }
	xml.send(params);
	loader.style.display = '';
}

function rsc_quote(root,name,id)
{
	var loader = document.getElementById('rsc_loading');	
	var url = 'index.php?option=com_rscomments';
	var params = 'controller=comments&task=quote&cid='+id+'&format=raw&randomTime='+Math.random();
	xml=buildXmlHttp();

	xml.open('POST',root + url,true);
	

	xml.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	xml.setRequestHeader("Content-length", params.length);
	xml.setRequestHeader("Connection", "close");
	
	xml.onreadystatechange=function()
    {
		if(xml.readyState==4)
		{
			loader.style.display = 'none';
			response = xml.responseText;
			document.rscommentsForm.comment.value = '[quote name="'+name+'"]'+response + '[/quote]';
			document.rscommentsForm.IdComment.value = '';
		}
    }
	xml.send(params);
	loader.style.display = '';
}

function rsc_delete(root,id)
{
	var container = document.getElementById('rscomment'+id);
	var loader = document.getElementById('rsc_loading');	
	var url = 'index.php?option=com_rscomments';
	var params = 'controller=comments&task=remove&cid='+id+'&format=raw&randomTime='+Math.random();
	xml=buildXmlHttp();

	xml.open('POST',root + url,true);
	

	xml.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	xml.setRequestHeader("Content-length", params.length);
	xml.setRequestHeader("Connection", "close");
	
	xml.onreadystatechange=function()
    {
		if(xml.readyState==4)
		{
			loader.style.display = 'none';
			container.parentNode.removeChild(container);
		}
    }
	xml.send(params);
	loader.style.display = '';
	
}

function rsc_publish(root,id)
{
	var container = document.getElementById('rsc_publish'+id);
	var loader = document.getElementById('rsc_loading');
	var url = 'index.php?option=com_rscomments';
	var params = 'controller=comments&task=publish&cid='+id+'&format=raw&randomTime='+Math.random();
	xml=buildXmlHttp();

	xml.open('POST',root + url,true);
	

	xml.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	xml.setRequestHeader("Content-length", params.length);
	xml.setRequestHeader("Connection", "close");
	
	xml.onreadystatechange=function()
    {
		if(xml.readyState==4)
		{
			loader.style.display = 'none';
			container.innerHTML = xml.responseText;
		}
    }
	xml.send(params);
	loader.style.display = '';
}

function rsc_unpublish(root,id)
{
	var container = document.getElementById('rsc_publish'+id);
	var loader = document.getElementById('rsc_loading');
	var url = 'index.php?option=com_rscomments';
	var params = 'controller=comments&task=unpublish&cid='+id+'&format=raw&randomTime='+Math.random();
	xml=buildXmlHttp();

	xml.open('POST',root + url,true);
	

	xml.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	xml.setRequestHeader("Content-length", params.length);
	xml.setRequestHeader("Connection", "close");
	
	xml.onreadystatechange=function()
    {
		if(xml.readyState==4)
		{
			loader.style.display = 'none';
			container.innerHTML = xml.responseText;
		}
    }
	xml.send(params);
	loader.style.display = '';
}

function rsc_pos(root,id)
{
	var container = document.getElementById('rsc_voting'+id);
	var loader = document.getElementById('rsc_loading');
	var url = 'index.php?option=com_rscomments';
	var params = 'controller=comments&task=voteup&cid='+id+'&format=raw&randomTime='+Math.random();
	xml=buildXmlHttp();

	xml.open('POST',root + url,true);
	

	xml.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	xml.setRequestHeader("Content-length", params.length);
	xml.setRequestHeader("Connection", "close");
	
	xml.onreadystatechange=function()
    {
		if(xml.readyState==4)
		{
			loader.style.display = 'none';
			container.innerHTML = xml.responseText;
		}
    }
	xml.send(params);
	loader.style.display = '';
}

function rsc_neg(root,id)
{
	var container = document.getElementById('rsc_voting'+id);
	var loader = document.getElementById('rsc_loading');
	var url = 'index.php?option=com_rscomments';
	var params = 'controller=comments&task=votedown&cid='+id+'&format=raw&randomTime='+Math.random();
	xml=buildXmlHttp();

	xml.open('POST',root + url,true);
	

	xml.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	xml.setRequestHeader("Content-length", params.length);
	xml.setRequestHeader("Connection", "close");
	
	xml.onreadystatechange=function()
    {
		if(xml.readyState==4)
		{
			loader.style.display = 'none';
			container.innerHTML = xml.responseText;
		}
    }
	xml.send(params);
	loader.style.display = '';
}

function rsc_save(root)
{
	var fields;
	var loader = document.getElementById('rsc_loading_form');
	var url = 'index.php?option=com_rscomments';
	var container = document.getElementById('rscomments_big_container');	


	xml=buildXmlHttp();
	
	var params = new Array();
	for (i=0; i<document.rscommentsForm.elements.length; i++)
	{
		//remove the error
		removeClass(document.rscommentsForm.elements[i],'rsc_error');
		
		// don't send an empty value
		if (document.rscommentsForm.elements[i].name.length == 0) continue;
		params.push(document.rscommentsForm.elements[i].name + '=' + encodeURIComponent(document.rscommentsForm.elements[i].value));
	}
	
	params = params.join('&');
	params = params + '&format=raw';
	
	xml.open("POST", root + url, true);

	//Send the proper header information along with the request
	xml.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	xml.setRequestHeader("Content-length", params.length);
	xml.setRequestHeader("Connection", "close");

	xml.onreadystatechange = function() 
	{//Call a function when the state changes.
		if (xml.readyState==4)
		{
			loader.style.display = 'none';
			var response = xml.responseText;
			response = response.split('|');
			
			if(response[0] == 'err')
			{
				alert(response[1]);
				fields = response[2];
				fields = fields.split('\n');					
				for(i=0;i<fields.length;i++)
				{
					if(typeof fields[i] == 'undefined') continue;
					eval('document.rscommentsForm.' + fields[i] + '.className += " rsc_error";');
				}
			} 
			else 
			{
				document.getElementById('rsc_global_pagination').innerHTML = '';
				container.innerHTML = response[0];
				document.rscommentsForm.reset();
				document.rscommentsForm.IdComment.value = '';
			}
			
			if(document.getElementById('submit_captcha_image')) document.getElementById('submit_captcha_image').src = root+'index.php?option=com_rscomments&task=captcha&sid=' + Math.random();
			if(document.getElementById('rsc_recaptcha')) 
			{
				document.getElementById('recaptcha_response_field').value = '';
				Recaptcha.reload();
			}
		}
	}
	xml.send(params);	
	loader.style.display = '';
}

function isset(varname){
return(typeof(window[varname])!='undefined');
}

function hasClass(ele,cls) {
	return ele.className.match(new RegExp('(\\s|^)'+cls+'(\\s|$)'));
}

function removeClass(ele,cls) {
	if (hasClass(ele,cls)) {
		var reg = new RegExp('(\\s|^)'+cls+'(\\s|$)');
		ele.className=ele.className.replace(reg,' ');
	}
}

function rsc_comment_cnt(field,cntfield,maxlimit) 
{				
	if (field.value.length > maxlimit)
		field.value = field.value.substring(0, maxlimit);
	else
	document.getElementById(cntfield).innerHTML = maxlimit - field.value.length;
}

function checkEmail(str) 
{
	var at="@"
	var dot="."
	var lat=str.indexOf(at)
	var lstr=str.length
	var ldot=str.indexOf(dot)
	if (str.indexOf(at)==-1)
	   return false

	if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr)
	   return false

	if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr)
		return false

	if (str.indexOf(at,(lat+1))!=-1)
		return false

	if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot)
		return false

	if (str.indexOf(dot,(lat+2))==-1)
		return false

	if (str.indexOf(" ")!=-1)
		return false

	return true					
}

function rsc_refresh_captcha(root)
{
	document.getElementById('submit_captcha_image').src = root+'index.php?option=com_rscomments&task=captcha&sid=' + Math.random();
	return false;
}

function rsc_show_emoticons(what)
{	
	var popup = document.getElementById('rsc_emoticons');
	var curleft = curtop = 0;
	if (what.offsetParent) {
		do {
			curleft += what.offsetLeft;
			curtop += what.offsetTop;
		} while (what = what.offsetParent);
	}
	
	
	popup.style.left = parseInt(curleft + 25) + 'px';
	popup.style.top = parseInt(curtop) + 'px';
	popup.style.display = 'block';
}

function rsc_check(e)
{
	var target = (e && e.target) || (event && event.srcElement);
	var obj = document.getElementById('rsc_emoticons');
	var obj2 = document.getElementById('rsc_emoti_on');
	rsc_checkParent(target)?obj.style.display='none':null;
	target==obj2?obj.style.display='block':null;
}

function rsc_checkParent(t)
{
	while(t.parentNode)
	{
		if(t==document.getElementById('rsc_emoticons')) return false 
		t=t.parentNode
	}
	return true
}


function rsc_subscribe(root,id,option)
{	
	var loader = document.getElementById('rsc_loading');
	var url = 'index.php?option=com_rscomments';
	var params = 'controller=comments&task=subscribe&cid='+id+'&opt='+option+'&format=raw&randomTime='+Math.random();
	xml=buildXmlHttp();

	xml.open('POST',root + url,true);
	

	xml.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	xml.setRequestHeader("Content-length", params.length);
	xml.setRequestHeader("Connection", "close");
	
	xml.onreadystatechange=function()
    {
		if(xml.readyState==4)
		{
			loader.style.display = 'none';
			response = xml.responseText;
			response = response.split('|');
			document.getElementById('rsc_subscr').innerHTML = response[1];
			alert(response[0]);
		}
    }
	xml.send(params);
	loader.style.display = '';
	
}

function rsc_unsubscribe(root,id,option)
{	
	var loader = document.getElementById('rsc_loading');
	var url = 'index.php?option=com_rscomments';
	var params = 'controller=comments&task=unsubscribe&cid='+id+'&opt='+option+'&format=raw&randomTime='+Math.random();
	xml=buildXmlHttp();

	xml.open('POST',root + url,true);
	

	xml.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	xml.setRequestHeader("Content-length", params.length);
	xml.setRequestHeader("Connection", "close");
	
	xml.onreadystatechange=function()
    {
		if(xml.readyState==4)
		{
			loader.style.display = 'none';
			response = xml.responseText;
			response = response.split('|');
			document.getElementById('rsc_subscr').innerHTML = response[1];
			alert(response[0]);
		}
    }
	xml.send(params);
	loader.style.display = '';
	
}

function rsc_pagination(root,page,option,id,template)
{
	var loader = document.getElementById('rsc_loading');
	var url = 'index.php?option=com_rscomments';
	var params = 'task=pagination&page=' + page + '&content=' + option + '&id=' + id + '&template=' + template + '&limitstart=' + page + '&pagination=0&randomTime='+Math.random();
	xml=buildXmlHttp();

	xml.open('POST',root + url,true);
	

	xml.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	xml.setRequestHeader("Content-length", params.length);
	xml.setRequestHeader("Connection", "close");
	
	xml.onreadystatechange=function()
    {
		if(xml.readyState==4)
		{
			loader.style.display = 'none';
			var paginations = document.getElementsByName('rsc_global_pagination');
			for (i=0;i<paginations.length;i++)
				paginations[i].innerHTML = '';
			document.getElementById('rscomments_big_container').innerHTML = xml.responseText;
		}
    }
	xml.send(params);
	loader.style.display = '';
	
}

function buildXmlHttp()
{
	var xmlHttp;
	try
	{
		xmlHttp=new XMLHttpRequest();
	}
	catch (e)
	{
		try
		{
			xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
		}
		catch (e)
		{
			try
			{
				xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
			}
			catch (e)
			{
				alert("Your browser does not support AJAX!");
				return false;
			}
		}
	}
	return xmlHttp;
}