function GetXmlHttpObject()
{
	try
	{
		xmlHttp = new XMLHttpRequest();
	}
	catch (e)
	{
		try
		{
			xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
		}
		catch (e)
		{
			try
			{
				xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
			}
			catch (e)
			{
				return null;
			}
		}
	}
	
	return xmlHttp;
}
function GetWS(day,hObj,dir,obj)
{
	var xmlHttp = GetXmlHttpObject();
	
	if (xmlHttp == null) {return false;}
	else
	{
		var url = obj.url;
		
		url = url + '?day='+ day;
		
		if (obj.limit>-1 && obj.itemid>-1)
		{
			if (dir=='f') {obj.itemid++;}
			else if (dir=='r') {obj.itemid--;}
			
			if (obj.itemid>obj.limit) {obj.itemid=0;}
			else if (obj.itemid<0) {obj.itemid=obj.limit;}
			
			url = url + '&id=' + obj.itemid;
		}
		
		xmlHttp.onreadystatechange=function()
		{
			if (xmlHttp.readyState!=4)
			{
				hObj.innerHTML = '<div style="font-size:11px;margin-top:30px;text-align:center;"><img src="/gfx/loader.gif" alt="" /> Loading data ... please wait</div>';
			}
			else
			{
				if (xmlHttp.status == 200)
				{
					var result = xmlHttp.responseText;
					
					if (result.length > 5)
					{
						if (obj.limit == -1)
						{
							var arr = result.split('|');
							obj.limit = parseInt(arr[0]);
							obj.itemid = parseInt(arr[1]);
							if (arr[2]) hObj.innerHTML = arr[2];
						}
						else
						{
							hObj.innerHTML = result;
						}
					}
					else
					{
						hObj.innerHTML = '<div style="margin-top:30px;font-size:12px;text-align:center;float:none;">No schedules have been found.</div>';
					}
					
					var navs = document.getElementById('navs');					
					
					if (obj.limit>0)
					{
						navs.style.display = 'block';
						
						var prv = document.getElementById('prv');
						var nxt = document.getElementById('nxt');
					
						if (obj.itemid>0) {prv.style.visibility = 'visible';}
						else {prv.style.visibility = 'hidden';}
						
						if (obj.itemid<obj.limit) {nxt.style.visibility = 'visible';}
						else {nxt.style.visibility = 'hidden';}
					}
					else
					{
						navs.style.display = 'none';
					}
				}
			}
		};
		
		xmlHttp.open('GET',url,true);
		xmlHttp.send(null);
	}
}
var obj1 = new Object();
obj1.limit = -1;
obj1.itemid = -1;
obj1.url = 'jx/getws.php';
var obj2 = new Object();
obj2.limit = -1;
obj2.itemid = -1;
obj2.url = 'jx/gettr.php';
var objs=new Array();
objs['ws1']= obj1;
objs['ws2']= obj2;
var def_ws = 'ws1';
function DisplayWS(dir)
{
	var ws = document.getElementById(def_ws);
	
	if (navigator.userAgent.indexOf('MSIE') !=-1) {ws.style.height = '100px';}
	else {ws.style.minHeight = '100px';}
	
	if (dir=='')
	{
		objs[def_ws].limit = -1;
		objs[def_ws].itemid = -1;
		dir = 'f';
	}
	
	var day = document.getElementById('day');
	var day = day.options[day.selectedIndex].value;
	
	GetWS(day,ws,dir,objs[def_ws]);
}
function SwitchWS(t,d,id,max,dir)
{
	SwitchTab(t,d,id,max);
	def_ws = d+id;
	DisplayWS('');
}
function SwitchTab(t,d,id,max)
{
	for (var i=1;i<=max;i++)
	{
		var tab=document.getElementById(t+i);
		var div=document.getElementById(d+i);
		if (i==id)
		{
			tab.className='act';
			div.style.display='block';
		}
		else
		{
			tab.className='';
			div.style.display='none';
		}
	}
}
function CheckMsgBoard(frm)
{
	var msgerr = document.getElementById('msgerr');
	
	if (frm.message.value.length < 10)
	{
		msgerr.innerHTML = 'Your message is too short.';
		msgerr.style.display = 'block';
		return false;
	}
	else
	{
		msgerr.style.display = 'none';
		return true;
	}
}
function PopupBoard(url,sid,width,height)
{
	var left =(screen.width-width)/2;
	var top =(screen.height-height)/2;
	window.open(url,sid,'width='+width+',height='+height+',left='+left+',top='+top+',alwaysRaised=yes,hotkeys=no,location=no,menubar=no,resizable=no,scrollbars=yes,status=yes,titlebar=no,toolbar=no');
}

function displayTopWriters(tw_sport) {
	
	var xmlHttp = GetXmlHttpObject();
	
	if (xmlHttp == null) {
		return false;
	}
	else {
		xmlHttp.onreadystatechange=function()
		{
			var tw = document.getElementById('top_writers');
			
			if (xmlHttp.readyState!=4) {
				
				tw.innerHTML = '<div style="font-size:11px;margin-top:20%;text-align:center;"><img src="/gfx/loader.gif" alt="" /> Loading data ... please wait</div>';
			}
			else if (xmlHttp.status == 200) {
				
				var result = xmlHttp.responseText;
				
				if (result == '-1') {
					
					tw.innerHTML = '<div style="font-size:11px;margin-top:20%;text-align:center;">No writers have been found.</div>';
				}
				else {
					
					tw.innerHTML = result;
				}
			}
		}
		
		xmlHttp.open('GET','/jx/get_top_writers.php?tw_sport=' + encodeURIComponent(tw_sport),true);
		xmlHttp.send(null);
	}
}