//document.getElementById("center").style.display = 'none';

//netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect UniversalBrowserRead');

var rootdomain="http://"+window.location.hostname+"/wsquare/";
var noclicky = false;

var ts = 2;

function ajaxload(url, parameters, containerid, callback)
{
	var page_request = false;
	var clbk = callback;
	if (window.XMLHttpRequest) // if Mozilla, Safari etc
		page_request = new XMLHttpRequest();
	else if (window.ActiveXObject)
	{ // if IE
		try
		{
			page_request = new ActiveXObject("Msxml2.XMLHTTP")
		} 
		catch (e)
		{
			try
			{
				page_request = new ActiveXObject("Microsoft.XMLHTTP")
			}
			catch (e){}
		}
	}
	else
		return false;
	
	// Only send post data if needed.
	if(parameters != null)
	{
		page_request.open('POST', rootdomain + url, true);
		page_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
		page_request.setRequestHeader("Content-length", parameters.length);
		page_request.setRequestHeader("Connection", "close");

		page_request.onreadystatechange=function()
			{
					if(containerid == 'wswordlist')
							loadwordlist(page_request);
					else
							loadpage(page_request, containerid);

				if(callback != null)
				{
					if (page_request.readyState == 4)
					{
							callback(page_request, containerid);
				}
				}
			}
	}
	else
	{
		page_request.open('GET', rootdomain + url, false);
	}

	page_request.send("");
	
	if(callback != null)
	{
		callback(page_request, containerid);
	}
}

function loadpage(page_request, containerid)
{
	if (page_request.readyState == 4)
	{
		if(containerid != null)
		{
			document.getElementById(containerid).innerHTML=page_request.responseText;
			noclicky = false;
		}
	}
}

function loadwordlist(req)
{
	if (req.readyState == 4 && req.status==200)
		{
		var nochange = req.responseXML.getElementsByTagName("nochange");
		if(nochange.length > 0)
		{
			//alert("NOCHANGE");
			return;
		}

		var wordcount = req.responseXML.getElementsByTagName("wordcount")[0].firstChild.data;

		//alert(wordcount);

		var wlhtml ="";
		for(n = 1; n <= wordcount; n++)
		{
			ns = n.toString();
			wlhtml += "<label id=\"w" + ns + "\" class=\"wordbox\"></label><br />";
		}

		document.getElementById("wswordlist").innerHTML = wlhtml;

		for(n = 1; n <= wordcount; n++)
		{
			var word = req.responseXML.getElementsByTagName("word")[n-1].firstChild.data;
			//alert(word);
			var id = "w" + n.toString();
			document.getElementById(id).innerHTML = word.toUpperCase(); //'<img class="sbnl" src="/gfx/sbnl.gif" border="0" />';
		}
		//alert("change");
		}
}

function ajaxpost(url, formname, containerid, callback)
{
	var fields = new Array();

	if(formname)
	{
		var ajax = formname;
	}
	//loop through form elements and retrieve field NAMEs and Values
	for (var x = 0; x < eval("document."+ajax+".elements.length"); x++)
	{
		// join them into a string.
		eval("fields.push(document."+ajax+".elements[x].name+'='+document."+ajax+".elements[x].value)");
	}
	var sendf = fields.join('&');

	ajaxload(url,sendf,containerid,callback);
}

// Timer events
var stimecount = 0;
var wltimecount = 0;
var putimecount = 0;

function publish(req, containerid)
{
	document.getElementById(containerid).innerHTML=req.responseText;
	noclicky = false;
}

function getscore()
{
	if(stimecount == 0) return;
	stimecount-=1;
	ajaxload('wsscore.php',null,'wsscore', publish);
	setTimeout('getscore()', 2000);
}

function publishwordlist(req, containerid)
{
		var nochange = req.responseXML.getElementsByTagName("nochange");
		if(nochange.length > 0)
		{
			return;
		}

		var wordcount = req.responseXML.getElementsByTagName("wordcount")[0].firstChild.data;

		var wlhtml ="";
		
	for(n = 1; n <= wordcount; n++)
		{
				ns = n.toString();
		wlhtml += "<label id=\"w" + ns + "\" class=\"wordbox\"></label><br />";
		}

		document.getElementById("wswordlist").innerHTML = wlhtml;

		for(n = 1; n <= wordcount; n++)
		{
				var word = req.responseXML.getElementsByTagName("word")[n-1].firstChild.data;
				var id = "w" + n.toString();
			document.getElementById(id).innerHTML = word.toUpperCase(); //'<img class="sbnl" src="/gfx/sbnl.gif" border="0" />';
		}
}

function publishscore(req, containerid)
{
		var nochange = req.responseXML.getElementsByTagName("nochange");
		if(nochange.length > 0)
		{
				return;
		}

	var score = req.responseXML.getElementsByTagName("score")[0].firstChild.data;

		var num1 = score.charAt(0);
	var num2 = score.charAt(1);
	var num3 = score.charAt(2);

	if(num1 == 0)
	{
		/* 2 digits or less */
		if(num2 == 0)
		{
			/* single digit */
			document.getElementById('sbs3i').src = eval("tile" + ts + num3 + ".src");
		}
		else
		{
			/* 2 digits */
				document.getElementById('sbs2i').src = eval("tile" + ts + num2 + ".src");
				document.getElementById('sbs3i').src = eval("tile" + ts + num3 + ".src");
		}
		
	}
	else
	{
		/* 3 digits */
		document.getElementById('sbs1i').src = eval("tile" + ts + num1 + ".src");
			document.getElementById('sbs2i').src = eval("tile" + ts + num2 + ".src");
			document.getElementById('sbs3i').src = eval("tile" + ts + num3 + ".src");
	}
}

function publishag(req, containerid)
{
	return;
	var gamesactive = req.responseXML.getElementsByTagName("active")[0].firstChild.data;

	if(gamesactive == 1)
	{
		document.getElementById(containerid).innerHTML = gamesactive + " Game Active";
	}
	else
	{
		document.getElementById(containerid).innerHTML = gamesactive + " Games Active";
	}
}

function getwordlist()
{
	if(wltimecount == 0) return;
	wltimecount-=1;
	ajaxload('wswl.php',null,'wswordlist', publishwordlist);
	wltimer = setTimeout('getwordlist()', 2000);
}
function signinmenu(req, containerid)
{
		ajaxload('wslcon.php', null, 'leftmenu', publish);
		ajaxload('wslc.php',null,'login',publish);
}
function pupubscore(req, containerid)
{
	publishwordlist(req, containerid);
	ajaxload('wsscore.php',null,'wsscore', publishscore);
}

function pupubwl(req, containerid)
{
		//document.getElementById(containerid).innerHTML=req.responseText;
		nltrout(req, containerid);
	noclicky = false;
	ajaxload('wswl.php',null,'wswordlist', pupubscore);
}

function playupdate()
{
		ajaxload('wsgnl.php',null,'wsnextletter', pupubwl);
}

function starttimers()
{
	//putimecount = 5;
	//ajaxload('/php/wsgame.php',null,'center', publish);
	//document.getElementById("center").style.display = "none";
	refreshboard();
	setTimeout('playupdate()', 50);
	//document.getElementById("center").style.display = "";
}

function ltrout(req, containerid)
{
	var letterxml = req.responseXML.getElementsByTagName("letter");
	if(letterxml.length > 0)
	{	
		var letter = req.responseXML.getElementsByTagName("letter")[0].firstChild.data;
		document.getElementById(containerid+"img").src = eval("tile" + ts + letter + ".src");
	}
}

function nltrout(req, containerid)
{
	var gameover = req.responseXML.getElementsByTagName("gameover");

	if(gameover.length > 0)
	{
				document.getElementById('sbnli').src = sbgo.src; //eval("tile" + letter + ".src");
	}
	else
	{
			var letter = req.responseXML.getElementsByTagName("letter")[0].firstChild.data;
				document.getElementById('sbnli').src = eval("tile" + ts + letter + ".src");
	}
}

function signinmenu(req, containerid)
{
	ajaxload('wslcon.php', null, 'leftmenu', publish);
	ajaxload('wslc.php',null,'login',publish);
}

function signoutmenu(req, containerid)
{
		document.getElementById(containerid).innerHTML=req.responseText;
		ajaxload('wslcon.php', null, 'leftmenu', publish);
}

var ltrpos = 0;
function test()
{
		ajaxload('wspl.php?p='+ltrpos,null,'p'+ltrpos, ltrout);
		playupdate();
}

function setlet(num){ts = num; ajaxload('wssettype.php?o='+num, null, null, null); frefresh();}

function placeletter(pos)
{
	if(noclicky == true) return;
	noclicky = true;
		document.getElementById('p'+pos+'img').src = document.getElementById('sbnli').src;
	document.getElementById('p'+pos+'img').onclick='';;
	document.getElementById('sbnli').src = sbnl.src;
	//ajaxload('/php/wspl.php?p='+pos,null,'p'+pos, ltrout);
		//playupdate();
	ltrpos = pos;
	setTimeout(test, 50);
}

function refreshboard()
{
		document.getElementById("wscenter").style.display = "none";
		ajaxload('wsgame.php', null, 'wscenter', publish);
		//alert("worky");
		ajaxload('wsgnl.php',null,'wsnextletter', nltrout);
		ajaxload('wsscore.php',null,'wsscore', publishscore);
	ajaxload('wsag.php', null, 'gactive', publishag);
		document.getElementById("wscenter").style.display = "";
}

function frefresh()
{
        //document.getElementById("wscenter").style.display = "none";
        ajaxload('wsgame.php', null, 'wscenter', publish);
        //alert("worky");
        ajaxload('wsgnl.php',null,'wsnextletter', nltrout);
        ajaxload('wsscore.php',null,'wsscore', publishscore);
    ajaxload('wsag.php', null, 'gactive', publishag);
        //document.getElementById("wscenter").style.display = "";
}

function gameofday()
{
	ajaxload('wssetgod.php', null, null, null);

	refreshboard();

	document.getElementById("wswordlist").innerHTML = '';
}

function gameofdayinfo()
{
	ajaxload('wsgod.php', null, 'wscenter', publish);
}

function startnewgame()
{
	ajaxload('wsng.php',null,null, null);

	refreshboard();

	document.getElementById("wswordlist").innerHTML = '';
}

function confirmnewgame(req, containerid)
{
	var gameover = req.responseXML.getElementsByTagName("gameover")[0].firstChild.data;

	if(gameover == 'true')
	{
		startnewgame();
	}
	else
	{
		 alert("You must complete the current game before starting a new one.");
	}
}

function confirmgd(req, containerid)
{
		var gameover = req.responseXML.getElementsByTagName("gameover")[0].firstChild.data;

		if(gameover == 'true')
		{
				gameofday();
		}
		else
		{
		alert("You must complete the current game before starting a new one.");
		}
}

function checkgameover()
{
	ajaxload('wschgo.php', null, null, confirmnewgame);
}

function chgogod()
{
		ajaxload('wschgo.php', null, null, confirmgd);
}

function howtoplay()
{
	// Bring up a how to play panel in place of the gameboard.
	ajaxload('wshtp.php', null, 'wscenter', publish);
}

function highscores()
{
		ajaxload('wshs.php', null, 'wscenter', publish);
}

function wsstats()
{
		ajaxload('wsstat.php', null, 'wscenter', publish);
}

function wspstats()
{
		ajaxload('wspstat.php', null, 'wscenter', publish);
}

function forum()
{
	window.open('http://'+window.location.hostname+'/forums/index.php?action=vtopic&forum=1','blank');
}
/**
*
*  MD5 (Message-Digest Algorithm)
*  http://www.webtoolkit.info/
*
**/

var MD5 = function (string) {

	function RotateLeft(lValue, iShiftBits) {
		return (lValue<<iShiftBits) | (lValue>>>(32-iShiftBits));
	}

	function AddUnsigned(lX,lY) {
		var lX4,lY4,lX8,lY8,lResult;
		lX8 = (lX & 0x80000000);
		lY8 = (lY & 0x80000000);
		lX4 = (lX & 0x40000000);
		lY4 = (lY & 0x40000000);
		lResult = (lX & 0x3FFFFFFF)+(lY & 0x3FFFFFFF);
		if (lX4 & lY4) {
			return (lResult ^ 0x80000000 ^ lX8 ^ lY8);
		}
		if (lX4 | lY4) {
			if (lResult & 0x40000000) {
				return (lResult ^ 0xC0000000 ^ lX8 ^ lY8);
			} else {
				return (lResult ^ 0x40000000 ^ lX8 ^ lY8);
			}
		} else {
			return (lResult ^ lX8 ^ lY8);
		}
	}

	function F(x,y,z) { return (x & y) | ((~x) & z); }
	function G(x,y,z) { return (x & z) | (y & (~z)); }
	function H(x,y,z) { return (x ^ y ^ z); }
	function I(x,y,z) { return (y ^ (x | (~z))); }

	function FF(a,b,c,d,x,s,ac) {
		a = AddUnsigned(a, AddUnsigned(AddUnsigned(F(b, c, d), x), ac));
		return AddUnsigned(RotateLeft(a, s), b);
	};

	function GG(a,b,c,d,x,s,ac) {
		a = AddUnsigned(a, AddUnsigned(AddUnsigned(G(b, c, d), x), ac));
		return AddUnsigned(RotateLeft(a, s), b);
	};

	function HH(a,b,c,d,x,s,ac) {
		a = AddUnsigned(a, AddUnsigned(AddUnsigned(H(b, c, d), x), ac));
		return AddUnsigned(RotateLeft(a, s), b);
	};

	function II(a,b,c,d,x,s,ac) {
		a = AddUnsigned(a, AddUnsigned(AddUnsigned(I(b, c, d), x), ac));
		return AddUnsigned(RotateLeft(a, s), b);
	};

	function ConvertToWordArray(string) {
		var lWordCount;
		var lMessageLength = string.length;
		var lNumberOfWords_temp1=lMessageLength + 8;
		var lNumberOfWords_temp2=(lNumberOfWords_temp1-(lNumberOfWords_temp1 % 64))/64;
		var lNumberOfWords = (lNumberOfWords_temp2+1)*16;
		var lWordArray=Array(lNumberOfWords-1);
		var lBytePosition = 0;
		var lByteCount = 0;
		while ( lByteCount < lMessageLength ) {
			lWordCount = (lByteCount-(lByteCount % 4))/4;
			lBytePosition = (lByteCount % 4)*8;
			lWordArray[lWordCount] = (lWordArray[lWordCount] | (string.charCodeAt(lByteCount)<<lBytePosition));
			lByteCount++;
		}
		lWordCount = (lByteCount-(lByteCount % 4))/4;
		lBytePosition = (lByteCount % 4)*8;
		lWordArray[lWordCount] = lWordArray[lWordCount] | (0x80<<lBytePosition);
		lWordArray[lNumberOfWords-2] = lMessageLength<<3;
		lWordArray[lNumberOfWords-1] = lMessageLength>>>29;
		return lWordArray;
	};

	function WordToHex(lValue) {
		var WordToHexValue="",WordToHexValue_temp="",lByte,lCount;
		for (lCount = 0;lCount<=3;lCount++) {
			lByte = (lValue>>>(lCount*8)) & 255;
			WordToHexValue_temp = "0" + lByte.toString(16);
			WordToHexValue = WordToHexValue + WordToHexValue_temp.substr(WordToHexValue_temp.length-2,2);
		}
		return WordToHexValue;
	};

	function Utf8Encode(string) {
		string = string.replace(/\r\n/g,"\n");
		var utftext = "";

		for (var n = 0; n < string.length; n++) {

			var c = string.charCodeAt(n);

			if (c < 128) {
				utftext += String.fromCharCode(c);
			}
			else if((c > 127) && (c < 2048)) {
				utftext += String.fromCharCode((c >> 6) | 192);
				utftext += String.fromCharCode((c & 63) | 128);
			}
			else {
				utftext += String.fromCharCode((c >> 12) | 224);
				utftext += String.fromCharCode(((c >> 6) & 63) | 128);
				utftext += String.fromCharCode((c & 63) | 128);
			}

		}

		return utftext;
	};

	var x=Array();
	var k,AA,BB,CC,DD,a,b,c,d;
	var S11=7, S12=12, S13=17, S14=22;
	var S21=5, S22=9 , S23=14, S24=20;
	var S31=4, S32=11, S33=16, S34=23;
	var S41=6, S42=10, S43=15, S44=21;

	string = Utf8Encode(string);

	x = ConvertToWordArray(string);

	a = 0x67452301; b = 0xEFCDAB89; c = 0x98BADCFE; d = 0x10325476;

	for (k=0;k<x.length;k+=16) {
		AA=a; BB=b; CC=c; DD=d;
		a=FF(a,b,c,d,x[k+0], S11,0xD76AA478);
		d=FF(d,a,b,c,x[k+1], S12,0xE8C7B756);
		c=FF(c,d,a,b,x[k+2], S13,0x242070DB);
		b=FF(b,c,d,a,x[k+3], S14,0xC1BDCEEE);
		a=FF(a,b,c,d,x[k+4], S11,0xF57C0FAF);
		d=FF(d,a,b,c,x[k+5], S12,0x4787C62A);
		c=FF(c,d,a,b,x[k+6], S13,0xA8304613);
		b=FF(b,c,d,a,x[k+7], S14,0xFD469501);
		a=FF(a,b,c,d,x[k+8], S11,0x698098D8);
		d=FF(d,a,b,c,x[k+9], S12,0x8B44F7AF);
		c=FF(c,d,a,b,x[k+10],S13,0xFFFF5BB1);
		b=FF(b,c,d,a,x[k+11],S14,0x895CD7BE);
		a=FF(a,b,c,d,x[k+12],S11,0x6B901122);
		d=FF(d,a,b,c,x[k+13],S12,0xFD987193);
		c=FF(c,d,a,b,x[k+14],S13,0xA679438E);
		b=FF(b,c,d,a,x[k+15],S14,0x49B40821);
		a=GG(a,b,c,d,x[k+1], S21,0xF61E2562);
		d=GG(d,a,b,c,x[k+6], S22,0xC040B340);
		c=GG(c,d,a,b,x[k+11],S23,0x265E5A51);
		b=GG(b,c,d,a,x[k+0], S24,0xE9B6C7AA);
		a=GG(a,b,c,d,x[k+5], S21,0xD62F105D);
		d=GG(d,a,b,c,x[k+10],S22,0x2441453);
		c=GG(c,d,a,b,x[k+15],S23,0xD8A1E681);
		b=GG(b,c,d,a,x[k+4], S24,0xE7D3FBC8);
		a=GG(a,b,c,d,x[k+9], S21,0x21E1CDE6);
		d=GG(d,a,b,c,x[k+14],S22,0xC33707D6);
		c=GG(c,d,a,b,x[k+3], S23,0xF4D50D87);
		b=GG(b,c,d,a,x[k+8], S24,0x455A14ED);
		a=GG(a,b,c,d,x[k+13],S21,0xA9E3E905);
		d=GG(d,a,b,c,x[k+2], S22,0xFCEFA3F8);
		c=GG(c,d,a,b,x[k+7], S23,0x676F02D9);
		b=GG(b,c,d,a,x[k+12],S24,0x8D2A4C8A);
		a=HH(a,b,c,d,x[k+5], S31,0xFFFA3942);
		d=HH(d,a,b,c,x[k+8], S32,0x8771F681);
		c=HH(c,d,a,b,x[k+11],S33,0x6D9D6122);
		b=HH(b,c,d,a,x[k+14],S34,0xFDE5380C);
		a=HH(a,b,c,d,x[k+1], S31,0xA4BEEA44);
		d=HH(d,a,b,c,x[k+4], S32,0x4BDECFA9);
		c=HH(c,d,a,b,x[k+7], S33,0xF6BB4B60);
		b=HH(b,c,d,a,x[k+10],S34,0xBEBFBC70);
		a=HH(a,b,c,d,x[k+13],S31,0x289B7EC6);
		d=HH(d,a,b,c,x[k+0], S32,0xEAA127FA);
		c=HH(c,d,a,b,x[k+3], S33,0xD4EF3085);
		b=HH(b,c,d,a,x[k+6], S34,0x4881D05);
		a=HH(a,b,c,d,x[k+9], S31,0xD9D4D039);
		d=HH(d,a,b,c,x[k+12],S32,0xE6DB99E5);
		c=HH(c,d,a,b,x[k+15],S33,0x1FA27CF8);
		b=HH(b,c,d,a,x[k+2], S34,0xC4AC5665);
		a=II(a,b,c,d,x[k+0], S41,0xF4292244);
		d=II(d,a,b,c,x[k+7], S42,0x432AFF97);
		c=II(c,d,a,b,x[k+14],S43,0xAB9423A7);
		b=II(b,c,d,a,x[k+5], S44,0xFC93A039);
		a=II(a,b,c,d,x[k+12],S41,0x655B59C3);
		d=II(d,a,b,c,x[k+3], S42,0x8F0CCC92);
		c=II(c,d,a,b,x[k+10],S43,0xFFEFF47D);
		b=II(b,c,d,a,x[k+1], S44,0x85845DD1);
		a=II(a,b,c,d,x[k+8], S41,0x6FA87E4F);
		d=II(d,a,b,c,x[k+15],S42,0xFE2CE6E0);
		c=II(c,d,a,b,x[k+6], S43,0xA3014314);
		b=II(b,c,d,a,x[k+13],S44,0x4E0811A1);
		a=II(a,b,c,d,x[k+4], S41,0xF7537E82);
		d=II(d,a,b,c,x[k+11],S42,0xBD3AF235);
		c=II(c,d,a,b,x[k+2], S43,0x2AD7D2BB);
		b=II(b,c,d,a,x[k+9], S44,0xEB86D391);
		a=AddUnsigned(a,AA);
		b=AddUnsigned(b,BB);
		c=AddUnsigned(c,CC);
		d=AddUnsigned(d,DD);
	}

	var temp = WordToHex(a)+WordToHex(b)+WordToHex(c)+WordToHex(d);

	return temp.toLowerCase();
}

function wslogin()
{
		md5sum = MD5(document.getElementById('wspw').value);
	lname = document.getElementById('wsun').value;
		ajaxload('wslc.php?action=wsli&pw='+md5sum+'&un='+lname,null,'login', signinmenu);
}

function wsregister()
{
		md5sumpw1 = document.getElementById('wspw1').value;
	md5sumpw2 = document.getElementById('wspw2').value;
	email = document.getElementById('wsem').value;
		lname = document.getElementById('wsunrg').value;
		ajaxload('wsnu.php?action=wsrg&wspw1='+md5sumpw1+'&wspw2='+md5sumpw2+'&wsunrg='+lname+'&wsem='+email,null,'wscenter', publish);
}