root_dir = '/';

function ajax(request, adres) 
{
	var xmlhttp=null;
    if (document.all) xmlhttp = new ActiveXObject("Msxml2.XMLHTTP"); //для ie
    else if (XMLHttpRequest) xmlhttp = new XMLHttpRequest(); //для mozilla
    if (xmlhttp) 
	{
		xmlhttp.open("POST", adres, false);
        xmlhttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
        xmlhttp.send(request);
        return xmlhttp.responseText;
	}
}

// max character counter
function formCharCount(max_chars, field)
{
	count_text = 'txt_' + field.name;

	if(field.value.length>max_chars) field.value =  field.value.substr(0, max_chars);
	document.getElementById(count_text).innerHTML = 'Maximum ' + (max_chars-field.value.length) + ' Characters';
		
	//"Макс. <b>" + max_chars + "</b> симв., набрано <b>" + field.value.length + "</b> осталось <b>" + (max_chars-field.value.length) + "</b>";
}

// function for Ajax get State by Contry, City by State
function get_location(type, loc_id, sel_id, prefix_id, design)
{
		if(type=='city')
		{
			// get cities
			var result_cities = ajax(null, root_dir + 'tse/ajax/_get_location_ajx.php?type=2&id=' + loc_id + '&sel_id=' + sel_id + '&prefix_id=' + prefix_id + '&design=' + design);

			document.getElementById('city' + prefix_id).value = sel_id;
			if(result_cities.length>0)
			{
				document.getElementById('city_frame_default' + prefix_id).style.display = 'none';
				document.getElementById('city_frame' + prefix_id).innerHTML = result_cities;
				document.getElementById('city_frame' + prefix_id).display = 'block';
			}
			else
			{
				document.getElementById('city_frame' + prefix_id).innerHTML = '';
				document.getElementById('city_frame' + prefix_id).display = 'none';
				document.getElementById('city_frame_default' + prefix_id).style.display = 'block';
			}
		}

		if(type=='state')
		{
			// get states
			document.getElementById('state' + prefix_id).value = sel_id;
			var result_states = ajax(null, root_dir + 'tse/ajax/_get_location_ajx.php?type=1&id=' + loc_id + '&sel_id=' + sel_id + '&prefix_id=' + prefix_id + '&design=' + design);
			
			if(result_states.length>0)
			{
				document.getElementById('state_frame_default' + prefix_id).style.display = 'none';
				document.getElementById('state_frame' + prefix_id).innerHTML = result_states;
				document.getElementById('state_frame' + prefix_id).display = 'block';
			}
			else
			{
				document.getElementById('state_frame' + prefix_id).innerHTML = '';
				document.getElementById('state_frame_default' + prefix_id).style.display = 'block';
				document.getElementById('state_frame' + prefix_id).display = 'none';
			}
			document.getElementById('city_frame' + prefix_id).innerHTML = '';
			document.getElementById('city_frame' + prefix_id).display = 'none';
			document.getElementById('city_frame_default' + prefix_id).style.display = 'block';
			document.getElementById('city' + prefix_id).value = '';
		}
}

// send private message 
function sendPM(user_id)
{
	document.getElementById('pm_user_ids').value = user_id;
	var result = ajax(null, root_dir + 'tse/ajax/_get_userprofile_ajx.php?ids=' + document.getElementById('pm_user_ids').value);
	document.getElementById('usersListPM').innerHTML = result;
	document.getElementById('pm_subject').value = '';
	document.getElementById('pm_message').value = '';
}

function readMessage(mId, isRead, isReply)
{
	var msgID = 'message' + mId;
	var rowId = 'msg_row' + mId;
	document.getElementById('viewMessage').innerHTML = document.getElementById(msgID).innerHTML;
	if(document.getElementById('msg_id')) document.getElementById('msg_id').value = mId;
	document.getElementById('messageFooter').style.display = 'block';
	document.getElementById('replyFooter').style.display='none';
	document.getElementById('replyForm').style.display='none';

	if(isReply)
	{
		document.getElementById('isReply').style.display = 'block';
	}
	else
	{
		document.getElementById('isReply').style.display = 'none';
	}
	
	// is read flag
	if(!isRead)
	{
		var result = ajax(null, root_dir + 'tse/ajax/_isread_pm_ajx.php?id=' + mId);
		document.getElementById(rowId).className = '';
	}
	// /is read flag
}

// /send private message 

// friend request
function sendFriendRequest(user_id)
{
	document.getElementById('frq_user_ids').value = user_id;
	var result = ajax(null, root_dir + 'tse/ajax/_get_userprofile_ajx.php?ids=' + document.getElementById('frq_user_ids').value);
	document.getElementById('usersListFRQ').innerHTML = result;
	document.getElementById('frq_message').value = '';
}

// remove friends
function removeFriend(frndId)
{
	document.getElementById('rfr_friend_ids').value = frndId;
	var result = ajax(null, root_dir + 'tse/ajax/_get_userprofile_ajx.php?ids=' + document.getElementById('rfr_friend_ids').value);
	document.getElementById('usersListRFR').innerHTML = result;
}


// Deside Request
function decideRequest(reqId, userId, isRead)
{
	var mId = 'messageFriend' + reqId;
	var rowId = 'msg_row' + reqId;

	document.getElementById('request_id').value = reqId;
	var result = ajax(null, root_dir + 'tse/ajax/_get_userprofile_ajx.php?ids=' + userId);
	document.getElementById('friendListRequest').innerHTML = result;
	document.getElementById('messageFriendRequest').innerHTML = document.getElementById(mId).innerHTML;

	// is read flag
	if(!isRead)
	{
		var result = ajax(null, root_dir + 'tse/ajax/_isread_pm_ajx.php?id=' + reqId);
		document.getElementById(rowId).className = '';
	}
	// /is read flag
}

// add to favorites
function addFavorites(itemId)
{
	document.getElementById('addfav_id').value = itemId;
}
// /add to favorites
// remove to favorites
function removeFavorites(itemId)
{
	document.getElementById('remfav_id').value = itemId;
}
// /remove to favorites

function enableButton(id, isEnable)
{
	var enButtonId = 'e' + id;
	var disButtonId = 'd' + id;
	if(isEnable)
	{
		document.getElementById(enButtonId).style.display = 'block';
		document.getElementById(disButtonId).style.display = 'none';
	}
	else
	{
		document.getElementById(enButtonId).style.display = 'none';
		document.getElementById(disButtonId).style.display = 'block';
	}
}

function resizeDiv(id, maxHeight)
{
	if(document.getElementById(id).offsetHeight>maxHeight)
	{
		$("#" + id).css("overflow-y", "auto");
		$("#" + id).css("overflow-x", "hidden");
		document.getElementById(id).style.height = maxHeight + 'px';
	}
}

function reCaptcha(id)
{
	var result = ajax(null, 'tse/ajax/_get_recaptcha_ajx.php');
	document.getElementById(id).innerHTML = result;
}