--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/client/digitallibrary/jquery/ui/jquery.ui.button.js	Sun Feb 06 22:17:41 2011 +0100
@@ -0,0 +1,373 @@
+/*
+ * jQuery UI Button 1.8.9
+ *
+ * Copyright 2011, AUTHORS.txt (http://jqueryui.com/about)
+ * Dual licensed under the MIT or GPL Version 2 licenses.
+ * http://jquery.org/license
+ *
+ * http://docs.jquery.com/UI/Button
+ *
+ * Depends:
+ *	jquery.ui.core.js
+ *	jquery.ui.widget.js
+ */
+(function( $, undefined ) {
+
+var lastActive,
+	baseClasses = "ui-button ui-widget ui-state-default ui-corner-all",
+	stateClasses = "ui-state-hover ui-state-active ",
+	typeClasses = "ui-button-icons-only ui-button-icon-only ui-button-text-icons ui-button-text-icon-primary ui-button-text-icon-secondary ui-button-text-only",
+	formResetHandler = function( event ) {
+		$( ":ui-button", event.target.form ).each(function() {
+			var inst = $( this ).data( "button" );
+			setTimeout(function() {
+				inst.refresh();
+			}, 1 );
+		});
+	},
+	radioGroup = function( radio ) {
+		var name = radio.name,
+			form = radio.form,
+			radios = $( [] );
+		if ( name ) {
+			if ( form ) {
+				radios = $( form ).find( "[name='" + name + "']" );
+			} else {
+				radios = $( "[name='" + name + "']", radio.ownerDocument )
+					.filter(function() {
+						return !this.form;
+					});
+			}
+		}
+		return radios;
+	};
+
+$.widget( "ui.button", {
+	options: {
+		disabled: null,
+		text: true,
+		label: null,
+		icons: {
+			primary: null,
+			secondary: null
+		}
+	},
+	_create: function() {
+		this.element.closest( "form" )
+			.unbind( "reset.button" )
+			.bind( "reset.button", formResetHandler );
+
+		if ( typeof this.options.disabled !== "boolean" ) {
+			this.options.disabled = this.element.attr( "disabled" );
+		}
+
+		this._determineButtonType();
+		this.hasTitle = !!this.buttonElement.attr( "title" );
+
+		var self = this,
+			options = this.options,
+			toggleButton = this.type === "checkbox" || this.type === "radio",
+			hoverClass = "ui-state-hover" + ( !toggleButton ? " ui-state-active" : "" ),
+			focusClass = "ui-state-focus";
+
+		if ( options.label === null ) {
+			options.label = this.buttonElement.html();
+		}
+
+		if ( this.element.is( ":disabled" ) ) {
+			options.disabled = true;
+		}
+
+		this.buttonElement
+			.addClass( baseClasses )
+			.attr( "role", "button" )
+			.bind( "mouseenter.button", function() {
+				if ( options.disabled ) {
+					return;
+				}
+				$( this ).addClass( "ui-state-hover" );
+				if ( this === lastActive ) {
+					$( this ).addClass( "ui-state-active" );
+				}
+			})
+			.bind( "mouseleave.button", function() {
+				if ( options.disabled ) {
+					return;
+				}
+				$( this ).removeClass( hoverClass );
+			})
+			.bind( "focus.button", function() {
+				// no need to check disabled, focus won't be triggered anyway
+				$( this ).addClass( focusClass );
+			})
+			.bind( "blur.button", function() {
+				$( this ).removeClass( focusClass );
+			});
+
+		if ( toggleButton ) {
+			this.element.bind( "change.button", function() {
+				self.refresh();
+			});
+		}
+
+		if ( this.type === "checkbox" ) {
+			this.buttonElement.bind( "click.button", function() {
+				if ( options.disabled ) {
+					return false;
+				}
+				$( this ).toggleClass( "ui-state-active" );
+				self.buttonElement.attr( "aria-pressed", self.element[0].checked );
+			});
+		} else if ( this.type === "radio" ) {
+			this.buttonElement.bind( "click.button", function() {
+				if ( options.disabled ) {
+					return false;
+				}
+				$( this ).addClass( "ui-state-active" );
+				self.buttonElement.attr( "aria-pressed", true );
+
+				var radio = self.element[ 0 ];
+				radioGroup( radio )
+					.not( radio )
+					.map(function() {
+						return $( this ).button( "widget" )[ 0 ];
+					})
+					.removeClass( "ui-state-active" )
+					.attr( "aria-pressed", false );
+			});
+		} else {
+			this.buttonElement
+				.bind( "mousedown.button", function() {
+					if ( options.disabled ) {
+						return false;
+					}
+					$( this ).addClass( "ui-state-active" );
+					lastActive = this;
+					$( document ).one( "mouseup", function() {
+						lastActive = null;
+					});
+				})
+				.bind( "mouseup.button", function() {
+					if ( options.disabled ) {
+						return false;
+					}
+					$( this ).removeClass( "ui-state-active" );
+				})
+				.bind( "keydown.button", function(event) {
+					if ( options.disabled ) {
+						return false;
+					}
+					if ( event.keyCode == $.ui.keyCode.SPACE || event.keyCode == $.ui.keyCode.ENTER ) {
+						$( this ).addClass( "ui-state-active" );
+					}
+				})
+				.bind( "keyup.button", function() {
+					$( this ).removeClass( "ui-state-active" );
+				});
+
+			if ( this.buttonElement.is("a") ) {
+				this.buttonElement.keyup(function(event) {
+					if ( event.keyCode === $.ui.keyCode.SPACE ) {
+						// TODO pass through original event correctly (just as 2nd argument doesn't work)
+						$( this ).click();
+					}
+				});
+			}
+		}
+
+		// TODO: pull out $.Widget's handling for the disabled option into
+		// $.Widget.prototype._setOptionDisabled so it's easy to proxy and can
+		// be overridden by individual plugins
+		this._setOption( "disabled", options.disabled );
+	},
+
+	_determineButtonType: function() {
+		
+		if ( this.element.is(":checkbox") ) {
+			this.type = "checkbox";
+		} else {
+			if ( this.element.is(":radio") ) {
+				this.type = "radio";
+			} else {
+				if ( this.element.is("input") ) {
+					this.type = "input";
+				} else {
+					this.type = "button";
+				}
+			}
+		}
+		
+		if ( this.type === "checkbox" || this.type === "radio" ) {
+			// we don't search against the document in case the element
+			// is disconnected from the DOM
+			this.buttonElement = this.element.parents().last()
+				.find( "label[for=" + this.element.attr("id") + "]" );
+			this.element.addClass( "ui-helper-hidden-accessible" );
+
+			var checked = this.element.is( ":checked" );
+			if ( checked ) {
+				this.buttonElement.addClass( "ui-state-active" );
+			}
+			this.buttonElement.attr( "aria-pressed", checked );
+		} else {
+			this.buttonElement = this.element;
+		}
+	},
+
+	widget: function() {
+		return this.buttonElement;
+	},
+
+	destroy: function() {
+		this.element
+			.removeClass( "ui-helper-hidden-accessible" );
+		this.buttonElement
+			.removeClass( baseClasses + " " + stateClasses + " " + typeClasses )
+			.removeAttr( "role" )
+			.removeAttr( "aria-pressed" )
+			.html( this.buttonElement.find(".ui-button-text").html() );
+
+		if ( !this.hasTitle ) {
+			this.buttonElement.removeAttr( "title" );
+		}
+
+		$.Widget.prototype.destroy.call( this );
+	},
+
+	_setOption: function( key, value ) {
+		$.Widget.prototype._setOption.apply( this, arguments );
+		if ( key === "disabled" ) {
+			if ( value ) {
+				this.element.attr( "disabled", true );
+			} else {
+				this.element.removeAttr( "disabled" );
+			}
+		}
+		this._resetButton();
+	},
+
+	refresh: function() {
+		var isDisabled = this.element.is( ":disabled" );
+		if ( isDisabled !== this.options.disabled ) {
+			this._setOption( "disabled", isDisabled );
+		}
+		if ( this.type === "radio" ) {
+			radioGroup( this.element[0] ).each(function() {
+				if ( $( this ).is( ":checked" ) ) {
+					$( this ).button( "widget" )
+						.addClass( "ui-state-active" )
+						.attr( "aria-pressed", true );
+				} else {
+					$( this ).button( "widget" )
+						.removeClass( "ui-state-active" )
+						.attr( "aria-pressed", false );
+				}
+			});
+		} else if ( this.type === "checkbox" ) {
+			if ( this.element.is( ":checked" ) ) {
+				this.buttonElement
+					.addClass( "ui-state-active" )
+					.attr( "aria-pressed", true );
+			} else {
+				this.buttonElement
+					.removeClass( "ui-state-active" )
+					.attr( "aria-pressed", false );
+			}
+		}
+	},
+
+	_resetButton: function() {
+		if ( this.type === "input" ) {
+			if ( this.options.label ) {
+				this.element.val( this.options.label );
+			}
+			return;
+		}
+		var buttonElement = this.buttonElement.removeClass( typeClasses ),
+			buttonText = $( "<span></span>" )
+				.addClass( "ui-button-text" )
+				.html( this.options.label )
+				.appendTo( buttonElement.empty() )
+				.text(),
+			icons = this.options.icons,
+			multipleIcons = icons.primary && icons.secondary;
+		if ( icons.primary || icons.secondary ) {
+			buttonElement.addClass( "ui-button-text-icon" +
+				( multipleIcons ? "s" : ( icons.primary ? "-primary" : "-secondary" ) ) );
+			if ( icons.primary ) {
+				buttonElement.prepend( "<span class='ui-button-icon-primary ui-icon " + icons.primary + "'></span>" );
+			}
+			if ( icons.secondary ) {
+				buttonElement.append( "<span class='ui-button-icon-secondary ui-icon " + icons.secondary + "'></span>" );
+			}
+			if ( !this.options.text ) {
+				buttonElement
+					.addClass( multipleIcons ? "ui-button-icons-only" : "ui-button-icon-only" )
+					.removeClass( "ui-button-text-icons ui-button-text-icon-primary ui-button-text-icon-secondary" );
+				if ( !this.hasTitle ) {
+					buttonElement.attr( "title", buttonText );
+				}
+			}
+		} else {
+			buttonElement.addClass( "ui-button-text-only" );
+		}
+	}
+});
+
+$.widget( "ui.buttonset", {
+	options: {
+		items: ":button, :submit, :reset, :checkbox, :radio, a, :data(button)"
+	},
+
+	_create: function() {
+		this.element.addClass( "ui-buttonset" );
+	},
+	
+	_init: function() {
+		this.refresh();
+	},
+
+	_setOption: function( key, value ) {
+		if ( key === "disabled" ) {
+			this.buttons.button( "option", key, value );
+		}
+
+		$.Widget.prototype._setOption.apply( this, arguments );
+	},
+	
+	refresh: function() {
+		this.buttons = this.element.find( this.options.items )
+			.filter( ":ui-button" )
+				.button( "refresh" )
+			.end()
+			.not( ":ui-button" )
+				.button()
+			.end()
+			.map(function() {
+				return $( this ).button( "widget" )[ 0 ];
+			})
+				.removeClass( "ui-corner-all ui-corner-left ui-corner-right" )
+				.filter( ":first" )
+					.addClass( "ui-corner-left" )
+				.end()
+				.filter( ":last" )
+					.addClass( "ui-corner-right" )
+				.end()
+			.end();
+	},
+
+	destroy: function() {
+		this.element.removeClass( "ui-buttonset" );
+		this.buttons
+			.map(function() {
+				return $( this ).button( "widget" )[ 0 ];
+			})
+				.removeClass( "ui-corner-left ui-corner-right" )
+			.end()
+			.button( "destroy" );
+
+		$.Widget.prototype.destroy.call( this );
+	}
+});
+
+}( jQuery ) );