--- a/busui/js/jquery.ui.position.js
+++ b/busui/js/jquery.ui.position.js
@@ -1,1 +1,252 @@
-
+/*
+ * jQuery UI Position @VERSION
+ *
+ * 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/Position
+ */
+(function( $, undefined ) {
+
+$.ui = $.ui || {};
+
+var horizontalPositions = /left|center|right/,
+	verticalPositions = /top|center|bottom/,
+	center = "center",
+	_position = $.fn.position,
+	_offset = $.fn.offset;
+
+$.fn.position = function( options ) {
+	if ( !options || !options.of ) {
+		return _position.apply( this, arguments );
+	}
+
+	// make a copy, we don't want to modify arguments
+	options = $.extend( {}, options );
+
+	var target = $( options.of ),
+		targetElem = target[0],
+		collision = ( options.collision || "flip" ).split( " " ),
+		offset = options.offset ? options.offset.split( " " ) : [ 0, 0 ],
+		targetWidth,
+		targetHeight,
+		basePosition;
+
+	if ( targetElem.nodeType === 9 ) {
+		targetWidth = target.width();
+		targetHeight = target.height();
+		basePosition = { top: 0, left: 0 };
+	} else if ( $.isWindow( targetElem ) ) {
+		targetWidth = target.width();
+		targetHeight = target.height();
+		basePosition = { top: target.scrollTop(), left: target.scrollLeft() };
+	} else if ( targetElem.preventDefault ) {
+		// force left top to allow flipping
+		options.at = "left top";
+		targetWidth = targetHeight = 0;
+		basePosition = { top: options.of.pageY, left: options.of.pageX };
+	} else {
+		targetWidth = target.outerWidth();
+		targetHeight = target.outerHeight();
+		basePosition = target.offset();
+	}
+
+	// force my and at to have valid horizontal and veritcal positions
+	// if a value is missing or invalid, it will be converted to center 
+	$.each( [ "my", "at" ], function() {
+		var pos = ( options[this] || "" ).split( " " );
+		if ( pos.length === 1) {
+			pos = horizontalPositions.test( pos[0] ) ?
+				pos.concat( [center] ) :
+				verticalPositions.test( pos[0] ) ?
+					[ center ].concat( pos ) :
+					[ center, center ];
+		}
+		pos[ 0 ] = horizontalPositions.test( pos[0] ) ? pos[ 0 ] : center;
+		pos[ 1 ] = verticalPositions.test( pos[1] ) ? pos[ 1 ] : center;
+		options[ this ] = pos;
+	});
+
+	// normalize collision option
+	if ( collision.length === 1 ) {
+		collision[ 1 ] = collision[ 0 ];
+	}
+
+	// normalize offset option
+	offset[ 0 ] = parseInt( offset[0], 10 ) || 0;
+	if ( offset.length === 1 ) {
+		offset[ 1 ] = offset[ 0 ];
+	}
+	offset[ 1 ] = parseInt( offset[1], 10 ) || 0;
+
+	if ( options.at[0] === "right" ) {
+		basePosition.left += targetWidth;
+	} else if ( options.at[0] === center ) {
+		basePosition.left += targetWidth / 2;
+	}
+
+	if ( options.at[1] === "bottom" ) {
+		basePosition.top += targetHeight;
+	} else if ( options.at[1] === center ) {
+		basePosition.top += targetHeight / 2;
+	}
+
+	basePosition.left += offset[ 0 ];
+	basePosition.top += offset[ 1 ];
+
+	return this.each(function() {
+		var elem = $( this ),
+			elemWidth = elem.outerWidth(),
+			elemHeight = elem.outerHeight(),
+			marginLeft = parseInt( $.curCSS( this, "marginLeft", true ) ) || 0,
+			marginTop = parseInt( $.curCSS( this, "marginTop", true ) ) || 0,
+			collisionWidth = elemWidth + marginLeft +
+				( parseInt( $.curCSS( this, "marginRight", true ) ) || 0 ),
+			collisionHeight = elemHeight + marginTop +
+				( parseInt( $.curCSS( this, "marginBottom", true ) ) || 0 ),
+			position = $.extend( {}, basePosition ),
+			collisionPosition;
+
+		if ( options.my[0] === "right" ) {
+			position.left -= elemWidth;
+		} else if ( options.my[0] === center ) {
+			position.left -= elemWidth / 2;
+		}
+
+		if ( options.my[1] === "bottom" ) {
+			position.top -= elemHeight;
+		} else if ( options.my[1] === center ) {
+			position.top -= elemHeight / 2;
+		}
+
+		// prevent fractions (see #5280)
+		position.left = Math.round( position.left );
+		position.top = Math.round( position.top );
+
+		collisionPosition = {
+			left: position.left - marginLeft,
+			top: position.top - marginTop
+		};
+
+		$.each( [ "left", "top" ], function( i, dir ) {
+			if ( $.ui.position[ collision[i] ] ) {
+				$.ui.position[ collision[i] ][ dir ]( position, {
+					targetWidth: targetWidth,
+					targetHeight: targetHeight,
+					elemWidth: elemWidth,
+					elemHeight: elemHeight,
+					collisionPosition: collisionPosition,
+					collisionWidth: collisionWidth,
+					collisionHeight: collisionHeight,
+					offset: offset,
+					my: options.my,
+					at: options.at
+				});
+			}
+		});
+
+		if ( $.fn.bgiframe ) {
+			elem.bgiframe();
+		}
+		elem.offset( $.extend( position, { using: options.using } ) );
+	});
+};
+
+$.ui.position = {
+	fit: {
+		left: function( position, data ) {
+			var win = $( window ),
+				over = data.collisionPosition.left + data.collisionWidth - win.width() - win.scrollLeft();
+			position.left = over > 0 ? position.left - over : Math.max( position.left - data.collisionPosition.left, position.left );
+		},
+		top: function( position, data ) {
+			var win = $( window ),
+				over = data.collisionPosition.top + data.collisionHeight - win.height() - win.scrollTop();
+			position.top = over > 0 ? position.top - over : Math.max( position.top - data.collisionPosition.top, position.top );
+		}
+	},
+
+	flip: {
+		left: function( position, data ) {
+			if ( data.at[0] === center ) {
+				return;
+			}
+			var win = $( window ),
+				over = data.collisionPosition.left + data.collisionWidth - win.width() - win.scrollLeft(),
+				myOffset = data.my[ 0 ] === "left" ?
+					-data.elemWidth :
+					data.my[ 0 ] === "right" ?
+						data.elemWidth :
+						0,
+				atOffset = data.at[ 0 ] === "left" ?
+					data.targetWidth :
+					-data.targetWidth,
+				offset = -2 * data.offset[ 0 ];
+			position.left += data.collisionPosition.left < 0 ?
+				myOffset + atOffset + offset :
+				over > 0 ?
+					myOffset + atOffset + offset :
+					0;
+		},
+		top: function( position, data ) {
+			if ( data.at[1] === center ) {
+				return;
+			}
+			var win = $( window ),
+				over = data.collisionPosition.top + data.collisionHeight - win.height() - win.scrollTop(),
+				myOffset = data.my[ 1 ] === "top" ?
+					-data.elemHeight :
+					data.my[ 1 ] === "bottom" ?
+						data.elemHeight :
+						0,
+				atOffset = data.at[ 1 ] === "top" ?
+					data.targetHeight :
+					-data.targetHeight,
+				offset = -2 * data.offset[ 1 ];
+			position.top += data.collisionPosition.top < 0 ?
+				myOffset + atOffset + offset :
+				over > 0 ?
+					myOffset + atOffset + offset :
+					0;
+		}
+	}
+};
+
+// offset setter from jQuery 1.4
+if ( !$.offset.setOffset ) {
+	$.offset.setOffset = function( elem, options ) {
+		// set position first, in-case top/left are set even on static elem
+		if ( /static/.test( $.curCSS( elem, "position" ) ) ) {
+			elem.style.position = "relative";
+		}
+		var curElem   = $( elem ),
+			curOffset = curElem.offset(),
+			curTop    = parseInt( $.curCSS( elem, "top",  true ), 10 ) || 0,
+			curLeft   = parseInt( $.curCSS( elem, "left", true ), 10)  || 0,
+			props     = {
+				top:  (options.top  - curOffset.top)  + curTop,
+				left: (options.left - curOffset.left) + curLeft
+			};
+		
+		if ( 'using' in options ) {
+			options.using.call( elem, props );
+		} else {
+			curElem.css( props );
+		}
+	};
+
+	$.fn.offset = function( options ) {
+		var elem = this[ 0 ];
+		if ( !elem || !elem.ownerDocument ) { return null; }
+		if ( options ) { 
+			return this.each(function() {
+				$.offset.setOffset( this, options );
+			});
+		}
+		return _offset.call( this );
+	};
+}
+
+}( jQuery ));
+