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

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

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

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");
			msb = true;
		} 
		catch (e)
		{
			try
			{
				page_request = new ActiveXObject("Microsoft.XMLHTTP");
				msb = true;
			}
			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 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);
}

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

var puzwidth = 9;
var puzheight = 9;
var cmode = new Array();

function pencilmode(pos)
{
	if(!cmode[pos])
	{
		cmode[pos] = 0;
	}

	if(cmode[pos] & 512)
	{
		// Already in pencil mode. Exit to normal cell mode.
		document.getElementById('pzp'+pos).innerHTML = '<img id="ssp'+pos+'" class="ssc" src="ekc.gif" onclick="javascript:selectcell('+pos+');" />';
		document.getElementById('ssp'+pos).style.background = '#ff6666';
		cmode[pos] = 0;
		ajaxload('suspm.php?p='+selectedcell+'&m=0', null, null, null);
		return;
	}
	
        document.getElementById('pzp'+pos).innerHTML = '<div id="ssp'+pos+'" class="ssc" onclick="javascript:selectcell('+pos+
');">' +
        '<img id="ekpm'+pos+'s1" class="ekpmc" src="ekpmc.gif" />' +
	'<img class="ekpmv" src="ekpmv.gif" />' +
        '<img id="ekpm'+pos+'s2" class="ekpmc" src="ekpmc.gif" />' +
	'<img class="ekpmv" src="ekpmv.gif" />' +
        '<img id="ekpm'+pos+'s3" class="ekpmc" src="ekpmc.gif" />' +
	'<img class="ekpmh" src="ekpmh.gif" />' +
        '<img id="ekpm'+pos+'s4" class="ekpmc" src="ekpmc.gif" />' +
	'<img class="ekpmv" src="ekpmv.gif" />' +
	'<img id="ekpm'+pos+'s5" class="ekpmc" src="ekpmc.gif" />' +
	'<img class="ekpmv" src="ekpmv.gif" />' +
        '<img id="ekpm'+pos+'s6" class="ekpmc" src="ekpmc.gif" />' +
	'<img class="ekpmh" src="ekpmh.gif" />' +
        '<img id="ekpm'+pos+'s7" class="ekpmc" src="ekpmc.gif" />' +
	'<img class="ekpmv" src="ekpmv.gif" />' +
        '<img id="ekpm'+pos+'s8" class="ekpmc" src="ekpmc.gif" />' +
	'<img class="ekpmv" src="ekpmv.gif" />' +
        '<img id="ekpm'+pos+'s9" class="ekpmc" src="ekpmc.gif" />' +
        '</div>';

	if(cmode[pos] > 0)
	{
		document.getElementById('ekpm'+pos+'s'+cmode[pos]).innerHTML = '<img class="pmn" src="eks'+cmode[pos]+'.gif" />';
	}

	document.getElementById('ssp'+pos).style.background = '#ff6666';
	cmode[pos] = (1 << (cmode[pos] - 1));
	cmode[pos] |= 512;

	ajaxload('suspm.php?p='+selectedcell+'&m=20', null, null, null);
}

function publishpm(req, cid)
{
        var xmld = req.responseXML;

        //alert(req.responseText);
        if(xmld.getElementsByTagName("sumark").length > 0)
        {
                //ajaxload('susplash.php', null, 'wscenter', publish);
		var pos = xmld.getElementsByTagName("p")[0].firstChild.data;
		cmode[pos] = xmld.getElementsByTagName("f")[0].firstChild.data;
        }
}

function publishpuzzle(req, cid)
{
	var xmld = req.responseXML;

	//alert(req.responseText);
	if(xmld.getElementsByTagName("np").length > 0)
	{
		//alert("No puzzle!");
		ajaxload('susplash.php', null, 'wscenter', publish);
		return;
	}

        var pos = 0;
        var y = 0;

	var firstcell = false;

        var x = 0;
        var ct = 0;

        for(y = 0;y < 9; y++)
        {
                x = 0;

                for(x=0;x < 9; x++)
                {
                        pos = y * 9 + x;

			cell = xmld.getElementsByTagName('pc'+pos)[0];

			value = cell.getElementsByTagName('v')[0].firstChild.data;
			
			if(value == 20)
			{
				cmode[pos] = 512;
				// This is a pencil mode cell.
				pvalue = cell.getElementsByTagName('pv')[0].firstChild.data;
				cmode[pos] |= pvalue;

                                document.getElementById('pzp'+pos).innerHTML = '<div id="ssp'+pos+'" class="ssc" onclick="javascript:selectcell('+pos+');">' +
                                '<img id="ekpm'+pos+'s1" class="ekpmc" src="ekpmc.gif" />' +
				'<img class="ekpmv" src="ekpmv.gif" />' +
                                '<img id="ekpm'+pos+'s2" class="ekpmc" src="ekpmc.gif" />' +
				'<img class="ekpmv" src="ekpmv.gif" />' +
                                '<img id="ekpm'+pos+'s3" class="ekpmc" src="ekpmc.gif" />' +
                                '<img class="ekpmh" src="ekpmh.gif" />' +
                                '<img id="ekpm'+pos+'s4" class="ekpmc" src="ekpmc.gif" />' +
				'<img class="ekpmv" src="ekpmv.gif" />' +
                                '<img id="ekpm'+pos+'s5" class="ekpmc" src="ekpmc.gif" />' +
				'<img class="ekpmv" src="ekpmv.gif" />' +
                                '<img id="ekpm'+pos+'s6" class="ekpmc" src="ekpmc.gif" />' +
                                '<img class="ekpmh" src="ekpmh.gif" />' +
                                '<img id="ekpm'+pos+'s7" class="ekpmc" src="ekpmc.gif" />' +
				'<img class="ekpmv" src="ekpmv.gif" />' +
                                '<img id="ekpm'+pos+'s8" class="ekpmc" src="ekpmc.gif" />' +
				'<img class="ekpmv" src="ekpmv.gif" />' +
                                '<img id="ekpm'+pos+'s9" class="ekpmc" src="ekpmc.gif" />' +
                                '</div>';

				if(pvalue & 1) document.getElementById('ekpm'+pos+'s1').src = "eks1.gif";
				if(pvalue & 2) document.getElementById('ekpm'+pos+'s2').src = "eks2.gif";
				if(pvalue & 4) document.getElementById('ekpm'+pos+'s3').src = "eks3.gif";
				if(pvalue & 8) document.getElementById('ekpm'+pos+'s4').src = "eks4.gif";
				if(pvalue & 16) document.getElementById('ekpm'+pos+'s5').src = "eks5.gif";
				if(pvalue & 32) document.getElementById('ekpm'+pos+'s6').src = "eks6.gif";
				if(pvalue & 64) document.getElementById('ekpm'+pos+'s7').src = "eks7.gif";
				if(pvalue & 128) document.getElementById('ekpm'+pos+'s8').src = "eks8.gif";
				if(pvalue & 256) document.getElementById('ekpm'+pos+'s9').src = "eks9.gif";

				document.getElementById('ssp'+pos).style.background = '#6666ff';
			}
			else
			{
				cmode[pos] = value;
				if(firstcell == false && value <= 9)
				{
					firstcell = true;
					selectedcell = pos;
				}
				if(value > 9)
				{
					// Show the number - not clickable.
					num = value - 10;
					//document.getElementById('pzp'+pos).innerHTML = '<img id="suhi'+pos+'" class="ssc" src="su'+num+'h.gif" />';
					document.getElementById('pzp'+pos).innerHTML = '<img id="suhi'+pos+'" class="ssc2" src="ek'+num+'.gif" />';
					//document.getElementById('suhi'+pos).style.background = '#0000ff';
				}
                        	else if(value > 0)
                        	{
         	               		// Put the number here
                               		document.getElementById('pzp'+pos).innerHTML = '<img id="ssp'+pos+'" class="ssc" src="ek'+value+'.gif" onclick="javascript:selectcell('+pos+');" />';
                        	}
                        	else
                        	{
                        		document.getElementById('pzp'+pos).innerHTML = '<img id="ssp'+pos+'" class="ssc" src="ekc.gif" onclick="javascript:selectcell('+pos+');" />';
                        	}
			}
                }
        }

	selectnum(selectednum);
	if(cmode[selectedcell] & 512)
		document.getElementById('ssp'+selectedcell).style.background = '#ccccff';
	else
		document.getElementById('ssp'+selectedcell).style.background = '#ff6666';
}

function selectgrid()
{
	startnewpuzzle();
}

function publishag(req, containerid)
{
	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 starttimers()
{
	ajaxload('supuzzle.php', null, 'wscenter', loadpuzzle);
	document.onkeydown = keyListener;
}

var selectedcell = 0;
var selectednum = 1;

function selectcell(pos)
{
	if(selectedcell == pos)
	{
		// This was already selected. Pop up the number grid.
		placenumber(selectednum);
	}
	else
	{
                document.getElementById('ssp'+selectedcell).style.background = '#6666ff';
                selectedcell = pos;
		if(cmode[pos] & 512)
		{
			document.getElementById('ssp'+selectedcell).style.background = '#ff6666';
		}
		else
		{
                	document.getElementById('ssp'+selectedcell).style.background = '#ff6666';
		}
	}
}

function selectnum(num)
{
	if(num > 0)
	{
		document.getElementById('sun'+selectednum).style.background = '#0000ff';
		selectednum = num;
		document.getElementById('sun'+selectednum).style.background = '#00ff00';
	}
}

function placenumber(num)
{
	// Put the number into active puzzle grid
	// Display the number in the cell.

	if(cmode[selectedcell] & 512)
	{
		if(num > 0)
		{
			// Is this num already selected here?
			var nflag = 1 << (num - 1);

			if(nflag & cmode[selectedcell])
			{
				// Clear it
				cmode[selectedcell] &= ~nflag;
				document.getElementById('ekpm'+selectedcell+'s'+num).src = ekpmc.src;			
			}
			else
			{
				// set it
				cmode[selectedcell] |= nflag;
				document.getElementById('ekpm'+selectedcell+'s'+num).src = eval('eks'+num+'.src');
			}

			ajaxload('supm.php?p='+selectedcell+'&n='+num, null, null, null);
		}
	}
	else
	{
		if(num == 0 || cmode[selectedcell] == num)
		{
			document.getElementById('ssp'+selectedcell).src = ekc.src;
			num = 0;
			cmode[selectedcell] = 0;
		}
		else
		{
			document.getElementById('ssp'+selectedcell).src = eval('ek'+num+'.src');
			cmode[selectedcell] = num;
		}

		ajaxload('supn.php?p='+selectedcell+'&n='+num, null, null, null);
	}
}

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

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

function refreshpuzzle()
{
//        document.getElementById("wscenter").style.display = "none";
        ajaxload('supuzzle.php', null, 'wscenter', loadpuzzle);
//        document.getElementById("wscenter").style.display = "";
}

function refreshboard(){
refreshpuzzle();
}

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

	refreshpuzzle();

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

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

function loadpuzzle(ref, cid)
{
	publish(ref, cid);
	ajaxload('supubpuz.php', null, null, publishpuzzle);
}

function gendone(ref, cid)
{
	ajaxload('supuzzle.php',null,'wscenter', loadpuzzle);
}

function startnewpuzzle()
{
	for(n=0;n<81;n++) cmode[n] = 0;

	ajaxload('sunp.php',null,null, gendone);

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

function confirmnewpuzzle(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('pschgo.php', null, null, confirmnewgame);
	//startnewgame();
}

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

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

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

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

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

function forum()
{
    window.open('http://'+window.location.hostname+'/forums/index.php?action=vtopic&forum=5','blank');
}

function doneyet(req, cid)
{
        var done = req.responseXML.getElementsByTagName("done")[0].firstChild.data;

        if(done == 1)
        {
		alert("Puzzle Complete!");
        }
        else
        {
		alert("Puzzle Not Complete!");
        }
}

function checkpuzzle()
{
	ajaxload('suchkpuz.php', null, null, doneyet);
}

/**
*
*  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('sulc.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('../php/wsnu.php?action=wsrg&wspw1='+md5sumpw1+'&wspw2='+md5sumpw2+'&wsunrg='+lname+'&wsem='+email,null,'wscenter', publish);
}

var v_fixDblKey = 0;
function fixDblKey() {
	if (v_fixDblKey != 0) {
		return true;
	} else {
		v_fixDblKey = setTimeout('v_fixDblKey = 0;', 20);
		return false;
	}
}

function keyListener(e)
{
	if(fixDblKey()) {return;}
   if(!e){
      //for IE
      e = window.event;
   }

	var good = false;
	var lastgood = selectedcell;
	var sc =selectedcell;

	if(e.keyCode >= 48 && e.keyCode <= 57)
	{
		placenumber(e.keyCode - 48);
		selectnum(e.keyCode - 48);
	}

	switch(e.keyCode)
	{
		case 80:
		case 112:
		case 32:
			// Put this cell in pencil mode.
			pencilmode(selectedcell);
			break;
		case 13:
			placenumber(selectednum);
			break;
		case 37: // LEFT
			if((sc % puzwidth) > 0)
			{
				do
				{
                                        if((sc % puzwidth) - 1 < 0)
                                        {
                                                sc = lastgood;
                                                good = true;
                                        }
					else
					{
						sc--;
					}

					if(document.getElementById('ssp'+sc))
                                        {
                                                if(document.getElementById('ssp'+sc).className == 'ssc') good = true;
                                        }
				}while(good == false);

				if(sc != lastgood) selectcell(sc);
			}
			break;
		case 38: // UP
			if(Math.floor(sc / puzwidth) > 0)
			{
                                do
                                {
                                        sc-=puzwidth;
					if(document.getElementById('ssp'+sc))
                                        {
                                                if(document.getElementById('ssp'+sc).className == 'ssc') good = true;
                                        }

                                        if(Math.floor(sc / puzwidth) < 0)
                                        {
                                                sc = lastgood;
                                                good = true;
                                        }
                                }while(good == false);

				if(sc != lastgood) selectcell(sc);
			}
			break;
		case 39: // RIGHT
			if((sc % puzwidth) < puzwidth - 1)
			{
                                do
                                {
                                        sc++;
					if(document.getElementById('ssp'+sc))
                                        {
                                                if(document.getElementById('ssp'+sc).className == 'ssc') good = true;
                                        }

                                        if((sc % puzwidth) == 0)
                                        {
                                                sc = lastgood;
                                                good = true;
                                        }
                                }while(good == false);

				if(sc != lastgood) selectcell(sc);
			} 
			break;
		case 40: // DOWN
			if((sc / puzwidth) < puzheight - 1)
			{
				//alert('here');
                                do
                                {
					
                                        sc+=puzwidth;
					if(document.getElementById('ssp'+sc))
					{
	                                        if(document.getElementById('ssp'+sc).className == 'ssc') good = true;
					}

					if((sc / puzwidth) >= puzheight)
                                        {
                                        	sc = lastgood;
                                                good = true;
                                        }
                                }while(good == false);

				if(sc != lastgood) selectcell(sc);
			}
			break;
	}
}


