document.getElementById("username").focus();

var selected = 1;
function keyDown(event) {
	if (event.keyCode == 13) { document.getElementById("button").click(); }
	else if (event.keyCode == 40 && selected == 1) { document.getElementById("password").focus(); }
	else if (event.keyCode == 38 && selected == 2) { document.getElementById("username").focus(); }
}
function setSelected(inputID) {
	selected = inputID;
}

var LoginEpoch;
var RequestingLogin;

function requestLogin() {
	if (RequestingLogin) { return; }
	
	RequestingLogin = true;
	
	var Username = document.getElementById("username").value;
	var Password = document.getElementById("password").value;
	
	if (!Username) {
		alert("You must type your username into the box provided.");
		document.getElementById("username").focus();
		
		RequestingLogin = null;
	}
	else if (!Password) {
		alert("You must type your password into the box provided.");
		document.getElementById("password").focus();
		
		RequestingLogin = null;
	}
	else {
		document.getElementById("button").disabled = true;
		document.getElementById("username").disabled = true;
		document.getElementById("password").disabled = true;
		
		LoginEpoch = new Date().getTime();
		
		document.getElementById("login_result_div_placeHolder").style.display = "block";
		document.getElementById("login_result_div").style.color = "#00CD00";
		document.getElementById("login_result_div").innerHTML = "<img src='loading.gif' /><span class='login_check_span'>Checking login details..</span>";
		
		ajax_upload("POST", "ajax.php", "Username="+Base64.encode(Username)+"&Password="+md5(Password));
	}
	
}
function updateLoginResult(Response1, Response2) {
	if (Response1 == "1") {
		var Username = Base64.encode(document.getElementById("username").value);
		var Password = md5(document.getElementById("password").value);
		
		var CurrentEpoch = new Date().getTime();
		var ExpireEpoch = CurrentEpoch + (1000*60*60*24*5);
		var ExpireDate = new Date(ExpireEpoch);
		var ExpireText = ExpireDate.toGMTString();
		
		document.cookie = "Beta_Username="+escape(Username)+";path=/;expires="+ExpireText;
		document.cookie = "Beta_Password="+escape(Password)+";path=/;expires="+ExpireText;
		
		document.getElementById("login_result_div").innerHTML = "Valid login details.<br />Redirecting browser in 3 seconds.";
		
		setTimeout("window.location = '"+Response2+"';", 3000);
	}
	else if (Response1 == "0") {
		if (Response2 <= 0) {
			document.getElementById("login_result_div").style.color = "#FFFF00";
			document.getElementById("login_result_div").style.height = "52px";
			document.getElementById("login_result_div").innerHTML = "Invalid login details.<br />0 login attempts remaining.<br />Your IP address has been banned.";
		}
		else {
			document.getElementById("login_result_div").style.color = "#00CD00";
			document.getElementById("login_result_div").innerHTML = "Invalid login details.<br />"+Response2+" login attempt"+((Response2==1)?"":"s")+" remaining.";
			document.getElementById("button").disabled = false;
			document.getElementById("username").disabled = false;
			document.getElementById("password").disabled = false;
			document.getElementById("username").focus();
			document.getElementById("username").select();
		}
	}
	
	RequestingLogin = null;
}
function ajax_upload(Method, URL, Params) {
	var xmlhttp;
	if (window.XMLHttpRequest) {
		// code for IE7+, Firefox, Chrome, Opera, Safari
		xmlhttp = new XMLHttpRequest();
	}
	else if (window.ActiveXObject) {
		// code for IE6, IE5
		xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
	}
	else {
		alert("Your browser does not support XMLHTTP!");
	}
	
	xmlhttp.open(Method, URL, true);
	
	if (Method == "POST") {
		xmlhttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
		xmlhttp.setRequestHeader("Content-length", Params.length);
		xmlhttp.setRequestHeader("Connection", "close");
	}
	
	xmlhttp.onreadystatechange = function() {
		if (xmlhttp.readyState == 4) {
			//alert(xmlhttp.responseText);
			var Epoch = new Date().getTime();
			var EpochDifference = Epoch - LoginEpoch;
			
			var Response = xmlhttp.responseText.split(" ");
			
			if (EpochDifference < 2000) {
				setTimeout("updateLoginResult('"+Response[0]+"','"+Response[1]+"')", (2000-EpochDifference));
			}
			else {
				updateLoginResult(Response[0],Response[1]);
			}
		}
	}
	
	xmlhttp.send(Params);
}

function md5 (str) {
    // http://kevin.vanzonneveld.net
    // +   original by: Webtoolkit.info (http://www.webtoolkit.info/)
    // + namespaced by: Michael White (http://getsprink.com)
    // +    tweaked by: Jack
    // +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +      input by: Brett Zamir (http://brett-zamir.me)
    // +   bugfixed by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // -    depends on: utf8_encode
    // *     example 1: md5('Kevin van Zonneveld');
    // *     returns 1: '6e658d4bfcb59cc13f96c14450ac40b9'
 
    var xl;
 
    var rotateLeft = function (lValue, iShiftBits) {
        return (lValue<<iShiftBits) | (lValue>>>(32-iShiftBits));
    };
 
    var addUnsigned = function (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);
        }
    };
 
    var _F = function (x,y,z) { return (x & y) | ((~x) & z); };
    var _G = function (x,y,z) { return (x & z) | (y & (~z)); };
    var _H = function (x,y,z) { return (x ^ y ^ z); };
    var _I = function (x,y,z) { return (y ^ (x | (~z))); };
 
    var _FF = function (a,b,c,d,x,s,ac) {
        a = addUnsigned(a, addUnsigned(addUnsigned(_F(b, c, d), x), ac));
        return addUnsigned(rotateLeft(a, s), b);
    };
 
    var _GG = function (a,b,c,d,x,s,ac) {
        a = addUnsigned(a, addUnsigned(addUnsigned(_G(b, c, d), x), ac));
        return addUnsigned(rotateLeft(a, s), b);
    };
 
    var _HH = function (a,b,c,d,x,s,ac) {
        a = addUnsigned(a, addUnsigned(addUnsigned(_H(b, c, d), x), ac));
        return addUnsigned(rotateLeft(a, s), b);
    };
 
    var _II = function (a,b,c,d,x,s,ac) {
        a = addUnsigned(a, addUnsigned(addUnsigned(_I(b, c, d), x), ac));
        return addUnsigned(rotateLeft(a, s), b);
    };
 
    var convertToWordArray = function (str) {
        var lWordCount;
        var lMessageLength = str.length;
        var lNumberOfWords_temp1=lMessageLength + 8;
        var lNumberOfWords_temp2=(lNumberOfWords_temp1-(lNumberOfWords_temp1 % 64))/64;
        var lNumberOfWords = (lNumberOfWords_temp2+1)*16;
        var lWordArray=new 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] | (str.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;
    };
 
    var wordToHex = function (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;
    };
 
    var x=[],
        k,AA,BB,CC,DD,a,b,c,d,
        S11=7, S12=12, S13=17, S14=22,
        S21=5, S22=9 , S23=14, S24=20,
        S31=4, S32=11, S33=16, S34=23,
        S41=6, S42=10, S43=15, S44=21;
 
    str = this.utf8_encode(str);
    x = convertToWordArray(str);
    a = 0x67452301; b = 0xEFCDAB89; c = 0x98BADCFE; d = 0x10325476;
    
    xl = x.length;
    for (k=0;k<xl;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 utf8_encode ( argString ) {
    // http://kevin.vanzonneveld.net
    // +   original by: Webtoolkit.info (http://www.webtoolkit.info/)
    // +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +   improved by: sowberry
    // +    tweaked by: Jack
    // +   bugfixed by: Onno Marsman
    // +   improved by: Yves Sucaet
    // +   bugfixed by: Onno Marsman
    // +   bugfixed by: Ulrich
    // *     example 1: utf8_encode('Kevin van Zonneveld');
    // *     returns 1: 'Kevin van Zonneveld'
 
    var string = (argString+''); // .replace(/\r\n/g, "\n").replace(/\r/g, "\n");
 
    var utftext = "";
    var start, end;
    var stringl = 0;
 
    start = end = 0;
    stringl = string.length;
    for (var n = 0; n < stringl; n++) {
        var c1 = string.charCodeAt(n);
        var enc = null;
 
        if (c1 < 128) {
            end++;
        } else if (c1 > 127 && c1 < 2048) {
            enc = String.fromCharCode((c1 >> 6) | 192) + String.fromCharCode((c1 & 63) | 128);
        } else {
            enc = String.fromCharCode((c1 >> 12) | 224) + String.fromCharCode(((c1 >> 6) & 63) | 128) + String.fromCharCode((c1 & 63) | 128);
        }
        if (enc !== null) {
            if (end > start) {
                utftext += string.substring(start, end);
            }
            utftext += enc;
            start = end = n+1;
        }
    }
 
    if (end > start) {
        utftext += string.substring(start, string.length);
    }
 
    return utftext;
}
/**
*
*  Base64 encode / decode
*  http://www.webtoolkit.info/
*
**/
 
var Base64 = {
 
	// private property
	_keyStr : "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",
 
	// public method for encoding
	encode : function (input) {
		var output = "";
		var chr1, chr2, chr3, enc1, enc2, enc3, enc4;
		var i = 0;
 
		input = Base64._utf8_encode(input);
 
		while (i < input.length) {
 
			chr1 = input.charCodeAt(i++);
			chr2 = input.charCodeAt(i++);
			chr3 = input.charCodeAt(i++);
 
			enc1 = chr1 >> 2;
			enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
			enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
			enc4 = chr3 & 63;
 
			if (isNaN(chr2)) {
				enc3 = enc4 = 64;
			} else if (isNaN(chr3)) {
				enc4 = 64;
			}
 
			output = output +
			this._keyStr.charAt(enc1) + this._keyStr.charAt(enc2) +
			this._keyStr.charAt(enc3) + this._keyStr.charAt(enc4);
 
		}
 
		return output;
	},
 
	// public method for decoding
	decode : function (input) {
		var output = "";
		var chr1, chr2, chr3;
		var enc1, enc2, enc3, enc4;
		var i = 0;
 
		input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");
 
		while (i < input.length) {
 
			enc1 = this._keyStr.indexOf(input.charAt(i++));
			enc2 = this._keyStr.indexOf(input.charAt(i++));
			enc3 = this._keyStr.indexOf(input.charAt(i++));
			enc4 = this._keyStr.indexOf(input.charAt(i++));
 
			chr1 = (enc1 << 2) | (enc2 >> 4);
			chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
			chr3 = ((enc3 & 3) << 6) | enc4;
 
			output = output + String.fromCharCode(chr1);
 
			if (enc3 != 64) {
				output = output + String.fromCharCode(chr2);
			}
			if (enc4 != 64) {
				output = output + String.fromCharCode(chr3);
			}
 
		}
 
		output = Base64._utf8_decode(output);
 
		return output;
 
	},
 
	// private method for UTF-8 encoding
	_utf8_encode : function (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;
	},
 
	// private method for UTF-8 decoding
	_utf8_decode : function (utftext) {
		var string = "";
		var i = 0;
		var c = c1 = c2 = 0;
 
		while ( i < utftext.length ) {
 
			c = utftext.charCodeAt(i);
 
			if (c < 128) {
				string += String.fromCharCode(c);
				i++;
			}
			else if((c > 191) && (c < 224)) {
				c2 = utftext.charCodeAt(i+1);
				string += String.fromCharCode(((c & 31) << 6) | (c2 & 63));
				i += 2;
			}
			else {
				c2 = utftext.charCodeAt(i+1);
				c3 = utftext.charCodeAt(i+2);
				string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
				i += 3;
			}
 
		}
 
		return string;
	}
 
}

// ##############################
// ## Background Colour Module ##
// ##############################
document.body.style.backgroundColor = '#000000';

// thanks to http://www.linuxtopia.org/online_books/javascript_guides/javascript_faq/rgbtohex.htm for these two functions
function RGBtoHex(R,G,B) {return toHex(R)+toHex(G)+toHex(B)}
function toHex(N) {
 if (N==null) return '00';
 N=parseInt(N); if (N==0 || isNaN(N)) return '00';
 N=Math.max(0,N); N=Math.min(N,255); N=Math.round(N);
 return '0123456789ABCDEF'.charAt((N-N%16)/16)
	  + '0123456789ABCDEF'.charAt(N%16);
}

// the main function
function bcm_setBackgroundRGB() {
	// check if the target colour values have been met
	if (BGRGB['red_current'] == BGRGB['red_target'] && BGRGB['green_current'] == BGRGB['green_target'] && BGRGB['blue_current'] == BGRGB['blue_target']) {
		// set new target colour values, then come back in XX milliseconds
		bcm_setNewTarget();
	}
	else {
		// loop around three main colours (red, green & blue)
		var colour;
		for (var a=0; a<3; a++) {
			// choose red, green or blue
			colour = colours[a];
			
			// increase or decrease the current colour values
			if (BGRGB[colour+'_target'] > BGRGB[colour+'_current']) { BGRGB[colour+'_current'] += 1; }	// move number up by 1
			else if (BGRGB[colour+'_target'] < BGRGB[colour+'_current']) { BGRGB[colour+'_current'] -= 1; }	// move number down by 1
		}
		
		// convert RGB to hex
		var Hex = RGBtoHex(BGRGB['red_current'], BGRGB['green_current'], BGRGB['blue_current']);
		var HexCode = '#' + Hex;
		
		// set the background colour
		document.body.style.backgroundColor = HexCode;
		
		// check if bcm needs to show the current & target colour values on the screen
		if (bcm_showColourValues) {
			// update the current colour values shown on the screen
			document.getElementById('bcm_current').innerHTML = BGRGB['red_current']+' '+BGRGB['green_current']+' '+BGRGB['blue_current'];
		}
	}
	
	// call this function again in XX milliseconds
	setTimeout('bcm_setBackgroundRGB()', bcm_intervalMS);
}

// new target function
function bcm_setNewTarget() {
	// choose new random target colours & store them in the array
	BGRGB['red_target'] = Math.floor(Math.random()*256);		// between 0 and 255
	BGRGB['green_target'] = Math.floor(Math.random()*256);		// between 0 and 255
	BGRGB['blue_target'] = Math.floor(Math.random()*256);		// between 0 and 255
	
	// check if bcm needs to show the current & target colour values on the screen
	if (bcm_showColourValues) {
		// update the target colour values on the screen
		document.getElementById('bcm_target').innerHTML = BGRGB['red_target']+' '+BGRGB['green_target']+' '+BGRGB['blue_target'];
	}
}

// define initial colours
function bcm_setNewCurrent() {
	// create the main array
	BGRGB = new Array();
	
	// create the colours array for fast dynamic array keys in the main function
	colours = new Array('red','green','blue');
	
	// choose new random current colour values & store them in the array
	BGRGB['red_current'] = Math.floor(Math.random()*256);		// between 0 and 255
	BGRGB['green_current'] = Math.floor(Math.random()*256);		// between 0 and 255
	BGRGB['blue_current'] = Math.floor(Math.random()*256);		// between 0 and 255
	
	// check if bcm needs to show the current & target colour values on the screen
	if (bcm_showColourValues) {
		// update the current colour values on the screen
		document.getElementById('bcm_current').innerHTML = BGRGB['red_current']+' '+BGRGB['green_current']+' '+BGRGB['blue_current'];
	}
}

// initial check if bcm needs to show the current & target colour values on the screen
var bcm_showColourValues = (document.getElementById('bcm_current') && document.getElementById('bcm_target')) ? true : false;

// set the first current colour values
bcm_setNewCurrent();

// set the first target colour values
bcm_setNewTarget();

// set the colour change interval
var bcm_intervalMS = 60;

// start the main function
//bcm_setBackgroundRGB();