jQuery.halvr || (function() {

	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;
			}
		 
		}
	
    jQuery.halvr = {
        /**
         * Gets range for the current selection in the target window
         * @param {window} win the window to get selection range from
         * @return {Range} range for selection
         */
        getSelectionRange: function(win) {
            var range;
            if(win.getSelection) {
                range = win.getSelection().getRangeAt(0);
                if(jQuery.browser.opera) {
                    var s = range.startContainer;
                    if(s.nodeType === Node.TEXT_NODE) {
                        range.setStartBefore(s.parentNode);
                    }
                }
            } else {
                range = win.document.selection.createRange();
                range.select(); //Restore selection, if IE lost focus.
            }

            return range;
        },
        
        replaceSelectionWith: function (iframe, range, html) {
            var iframeWindow = iframe.contentWindow;

            if(!range) {
                return;
            }

            jQuery.halvr.editorCommand(iframe, 'removeFormat'); // we must remove formating or we will get empty format tags!

            if(iframeWindow.getSelection) {
                range.deleteContents();
                range.insertNode(range.createContextualFragment(html));
            } else {
                var id = iframeWindow.document.uniqueID;
                range.pasteHTML('<span id="' + id + '">&nbsp;</span>');
                var marker = iframeWindow.document.getElementById(id);
                jQuery(marker).after(html);
                marker.removeNode();
            }
        },
        
        editorCommand: function (iframe, command, args) {        
            var iframeWindow = iframe.contentWindow;
                
                
                iframeWindow.focus();
                iframeWindow.document.execCommand(command, false, args);            
                iframeWindow.focus();
                
                if (command=='formatblock') {
                
                    if(document.all) {
                        var cw = iframe.contentWindow;
                        var selectedContent = cw.window.document.selection.createRange().htmlText;
                     }
                     else {
                           var selectedContent = iframe.contentWindow.getSelection();
                     }
                
                    //alert('Removing formatting...' + selectedContent);
                    cleanedHTML = clean(selectedContent.toString());
                    //alert(cleanedHTML);           
                    jQuery.halvr.replaceSelectionWith(iframe,jQuery.halvr.getSelectionRange(iframeWindow),cleanedHTML)   
                }
            

        },
        
        base64Encode: function (input) {
        	return Base64.encode(input);
        },
        
        base64Decode: function(input) {
        	return Base64.decode(input);
        }

    };
    
})();

jQuery.fn.halvr || (function() {
    jQuery.fn.halvr = {
    };
    
    jQuery.fn.halvrOk=function(handler) {
        if (handler) {
            this.bind('halvrOk',null,handler);
        } else {
            this.trigger('halvrOk');
        }
    };
    
    jQuery.fn.halvrCancel= function(handler) {
        if (handler) {
            this.bind('halvrCancel',null,handler);
        } else {
            this.trigger('halvrCancel');
        }
    };
    
    jQuery.fn.halvrChange = function(handler) {
        if (handler) {
            this.bind('halvrChange', null, handler);
        } else {
            this.trigger('halvrChange');
        }
    };
    
    jQuery.fn.halvrGetSelection = function() {
        var firstRange = this.get(0);
        if (window.getSelection) {
            return firstRange.toString();
        } else if (document.selection) {
            return firstRange.text;
        }
        return '';
    };
    
    jQuery.fn.log = function (msg) {
        if (window.console) {
            window.console.log("%s: %o", msg, this);
        }
        return this;
    };
    jQuery.log = function (msg) {
        if (window.console) {
            window.console.log("%s", msg);
        }
        return this;
    };
})();