/**
*
*  Secure Hash Algorithm (SHA1)
*  http://www.webtoolkit.info/
*
**/
 
function sha1 (msg) {
 
	function rotate_left(n,s) {
		var t4 = ( n<<s ) | (n>>>(32-s));
		return t4;
	};
 
	function lsb_hex(val) {
		var str="";
		var i;
		var vh;
		var vl;
 
		for( i=0; i<=6; i+=2 ) {
			vh = (val>>>(i*4+4))&0x0f;
			vl = (val>>>(i*4))&0x0f;
			str += vh.toString(16) + vl.toString(16);
		}
		return str;
	};
 
	function cvt_hex(val) {
		var str="";
		var i;
		var v;
 
		for( i=7; i>=0; i-- ) {
			v = (val>>>(i*4))&0x0f;
			str += v.toString(16);
		}
		return str;
	};
 
 
	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 blockstart;
	var i, j;
	var W = new Array(80);
	var H0 = 0x67452301;
	var H1 = 0xEFCDAB89;
	var H2 = 0x98BADCFE;
	var H3 = 0x10325476;
	var H4 = 0xC3D2E1F0;
	var A, B, C, D, E;
	var temp;
 
	msg = Utf8Encode(msg);
 
	var msg_len = msg.length;
 
	var word_array = new Array();
	for( i=0; i<msg_len-3; i+=4 ) {
		j = msg.charCodeAt(i)<<24 | msg.charCodeAt(i+1)<<16 |
		msg.charCodeAt(i+2)<<8 | msg.charCodeAt(i+3);
		word_array.push( j );
	}
 
	switch( msg_len % 4 ) {
		case 0:
			i = 0x080000000;
		break;
		case 1:
			i = msg.charCodeAt(msg_len-1)<<24 | 0x0800000;
		break;
 
		case 2:
			i = msg.charCodeAt(msg_len-2)<<24 | msg.charCodeAt(msg_len-1)<<16 | 0x08000;
		break;
 
		case 3:
			i = msg.charCodeAt(msg_len-3)<<24 | msg.charCodeAt(msg_len-2)<<16 | msg.charCodeAt(msg_len-1)<<8	| 0x80;
		break;
	}
 
	word_array.push( i );
 
	while( (word_array.length % 16) != 14 ) word_array.push( 0 );
 
	word_array.push( msg_len>>>29 );
	word_array.push( (msg_len<<3)&0x0ffffffff );
 
 
	for ( blockstart=0; blockstart<word_array.length; blockstart+=16 ) {
 
		for( i=0; i<16; i++ ) W[i] = word_array[blockstart+i];
		for( i=16; i<=79; i++ ) W[i] = rotate_left(W[i-3] ^ W[i-8] ^ W[i-14] ^ W[i-16], 1);
 
		A = H0;
		B = H1;
		C = H2;
		D = H3;
		E = H4;
 
		for( i= 0; i<=19; i++ ) {
			temp = (rotate_left(A,5) + ((B&C) | (~B&D)) + E + W[i] + 0x5A827999) & 0x0ffffffff;
			E = D;
			D = C;
			C = rotate_left(B,30);
			B = A;
			A = temp;
		}
 
		for( i=20; i<=39; i++ ) {
			temp = (rotate_left(A,5) + (B ^ C ^ D) + E + W[i] + 0x6ED9EBA1) & 0x0ffffffff;
			E = D;
			D = C;
			C = rotate_left(B,30);
			B = A;
			A = temp;
		}
 
		for( i=40; i<=59; i++ ) {
			temp = (rotate_left(A,5) + ((B&C) | (B&D) | (C&D)) + E + W[i] + 0x8F1BBCDC) & 0x0ffffffff;
			E = D;
			D = C;
			C = rotate_left(B,30);
			B = A;
			A = temp;
		}
 
		for( i=60; i<=79; i++ ) {
			temp = (rotate_left(A,5) + (B ^ C ^ D) + E + W[i] + 0xCA62C1D6) & 0x0ffffffff;
			E = D;
			D = C;
			C = rotate_left(B,30);
			B = A;
			A = temp;
		}
 
		H0 = (H0 + A) & 0x0ffffffff;
		H1 = (H1 + B) & 0x0ffffffff;
		H2 = (H2 + C) & 0x0ffffffff;
		H3 = (H3 + D) & 0x0ffffffff;
		H4 = (H4 + E) & 0x0ffffffff;
 
	}
 
	var temp = cvt_hex(H0) + cvt_hex(H1) + cvt_hex(H2) + cvt_hex(H3) + cvt_hex(H4);
 
	return temp.toLowerCase();
 
}

var loginWin;
var msgBox;

var fnDocumentClick = function(e) {
        if (!e.shift) {
                return;
        }

        if (!loginWin) {
                var btnLogin = new Sui.Button({
                        type: 'submit',
                        label: Cms_Lang.mod_login.BTN_LOGIN
                });
                btnLogin.elm.addEvent('click', function() {
                        msgBox = new Sui.Window({
                                label: Cms_Lang.mod_login.WAIT_LOGIN,
                                width: loginWin.elm.getCoordinates().width,

                                items: [new Sui.Item.Text({text: Cms_Lang.mod_login.WAIT_MSG_LOGIN})]
                        });
                        
                        msgBox.show();
                        loginWin.hide();
                        
                        var username = $('txtCmsUsername').value;
                        var hash = sha1($('txtCmsPassword').value);
                        $('txtCmsPassword').value = '';

                        new Request.JSON({
                                url: document.location.href.split('#')[0],
                                onSuccess: function(json, text) {
                                        if (json.success == 'true') {
                                                msgBox.destroy();

                                                var btnOk = new Sui.Button({
                                                        label: Cms_Lang.sys_general.OK
                                                });
                                                btnOk.elm.addEvent('click', function() {
                                                        document.location = document.location.href;
                                                });

                                                msgBox = new Sui.Window({
                                                        label: Cms_Lang.mod_login.LOGGEDIN,
                                                        items: [new Sui.Item.Text({text: Cms_Lang.mod_login.MSG_LOGIN_SUCCESS})],
                                                        buttons: [btnOk]
                                                }).show();
                                                btnOk.elm.focus();
                                        } else {
                                                msgBox.destroy();

                                                var btnOk = new Sui.Button({
                                                        label: Cms_Lang.sys_general.OK
                                                });
                                                btnOk.elm.addEvent('click', function() {
                                                        loginWin.show();
                                                        msgBox.destroy();
                                                });

                                                msgBox = new Sui.Window({
                                                        label: Cms_Lang.sys_general.ERROR,
                                                        items: [new Sui.Item.Text({text: Cms_Lang.mod_login.MSG_LOGIN_INVALID})],
                                                        buttons: [btnOk]
                                                }).show();
                                                btnOk.elm.focus();
                                        }
                                },
                                onFailure: function(xhr) {
                                        msgBox.destroy();
                                                
                                        var btnOk = new Sui.Button({
                                                label: Cms_Lang.sys_general.OK
                                        });
                                        btnOk.elm.addEvent('click', function() {
                                                loginWin.show();
                                                msgBox.destroy();
                                        });

                                        msgBox = new Sui.Window({
                                                label: Cms_Lang.sys_general.WARNING,
                                                items: [new Sui.Item.Text({text: Cms_Lang.mod_login.MSG_LOGIN_FAILURE})],
                                                buttons: [btnOk]
                                        }).show();
                                        btnOk.elm.focus();
                                }
                        }).post({
                                ajax: true,
                                type: 'login',
                                username: username,
                                hash: hash
                        });

                        return false;
                });

                var btnCancel = new Sui.Button({
                        type: 'reset',
                        label: Cms_Lang.mod_login.BTN_CANCEL
                });
                btnCancel.elm.addEvent('click', function() {
                        loginWin.hide();
                });

                var formLogin = new Sui.Form.Panel({
                        items: [new Sui.Form.Input({
                                label: Cms_Lang.mod_login.LBL_USERNAME,
                                id: 'txtCmsUsername'
                        }), new Sui.Form.Input({
                                type: 'password',
                                label: Cms_Lang.mod_login.LBL_PASSWORD,
                                id: 'txtCmsPassword'
                        })],

                        buttons: [btnLogin, btnCancel]
                });

                loginWin = new Sui.Window({
                        label: Cms_Lang.mod_login.LOGIN,
                        items: [formLogin]
                }).addEvent('show', function() {
                        $('txtCmsUsername').focus();
                });
        }

        loginWin.show();
}

window.addEvent('load', function() {
        $(document).addEvent('click', fnDocumentClick);
});