/*
 * Ext JS Library 2.0 Copyright(c) 2006-2007, Ext JS, LLC. licensing@extjs.com
 * 
 * http://extjs.com/license
 */

(function() {
	var C = YAHOO.util, J, H, G = 0, I = {};
	var B = navigator.userAgent.toLowerCase(), D = (B.indexOf("opera") > -1), K = (B
			.indexOf("safari") > -1), A = (!D && !K && B.indexOf("gecko") > -1), F = (!D && B
			.indexOf("msie") > -1);
	var E = {
		HYPHEN : /(-[a-z])/i
	};
	var L = function(M) {
		if (!E.HYPHEN.test(M)) {
			return M
		}
		if (I[M]) {
			return I[M]
		}
		while (E.HYPHEN.exec(M)) {
			M = M.replace(RegExp.$1, RegExp.$1.substr(1).toUpperCase())
		}
		I[M] = M;
		return M
	};
	if (document.defaultView && document.defaultView.getComputedStyle) {
		J = function(M, P) {
			var O = null;
			var N = document.defaultView.getComputedStyle(M, "");
			if (N) {
				O = N[L(P)]
			}
			return M.style[P] || O
		}
	} else {
		if (document.documentElement.currentStyle && F) {
			J = function(M, O) {
				switch (L(O)) {
					case "opacity" :
						var Q = 100;
						try {
							Q = M.filters["DXImageTransform.Microsoft.Alpha"].opacity
						} catch (P) {
							try {
								Q = M.filters("alpha").opacity
							} catch (P) {
							}
						}
						return Q / 100;
						break;
					default :
						var N = M.currentStyle ? M.currentStyle[O] : null;
						return (M.style[O] || N)
				}
			}
		} else {
			J = function(M, N) {
				return M.style[N]
			}
		}
	}
	if (F) {
		H = function(M, N, O) {
			switch (N) {
				case "opacity" :
					if (typeof M.style.filter == "string") {
						M.style.filter = "alpha(opacity=" + O * 100 + ")";
						if (!M.currentStyle || !M.currentStyle.hasLayout) {
							M.style.zoom = 1
						}
					}
					break;
				default :
					M.style[N] = O
			}
		}
	} else {
		H = function(M, N, O) {
			M.style[N] = O
		}
	}
	YAHOO.util.Dom = {
		get : function(O) {
			if (!O) {
				return null
			}
			if (typeof O != "string" && !(O instanceof Array)) {
				return O
			}
			if (typeof O == "string") {
				return document.getElementById(O)
			} else {
				var P = [];
				for (var N = 0, M = O.length; N < M; ++N) {
					P[P.length] = C.Dom.get(O[N])
				}
				return P
			}
			return null
		},
		getStyle : function(M, O) {
			O = L(O);
			var N = function(P) {
				return J(P, O)
			};
			return C.Dom.batch(M, N, C.Dom, true)
		},
		setStyle : function(M, O, P) {
			O = L(O);
			var N = function(Q) {
				H(Q, O, P)
			};
			C.Dom.batch(M, N, C.Dom, true)
		},
		getXY : function(M) {
			var N = function(P) {
				if (P.parentNode === null || P.offsetParent === null
						|| this.getStyle(P, "display") == "none") {
					return false
				}
				var O = null;
				var U = [];
				var Q;
				if (P.getBoundingClientRect) {
					Q = P.getBoundingClientRect();
					var S = document;
					if (!this.inDocument(P) && parent.document != document) {
						S = parent.document;
						if (!this.isAncestor(S.documentElement, P)) {
							return false
						}
					}
					var R = Math.max(S.documentElement.scrollTop,
							S.body.scrollTop);
					var T = Math.max(S.documentElement.scrollLeft,
							S.body.scrollLeft);
					return [Q.left + T, Q.top + R]
				} else {
					U = [P.offsetLeft, P.offsetTop];
					O = P.offsetParent;
					if (O != P) {
						while (O) {
							U[0] += O.offsetLeft;
							U[1] += O.offsetTop;
							O = O.offsetParent
						}
					}
					if (K && this.getStyle(P, "position") == "absolute") {
						U[0] -= document.body.offsetLeft;
						U[1] -= document.body.offsetTop
					}
				}
				if (P.parentNode) {
					O = P.parentNode
				} else {
					O = null
				}
				while (O && O.tagName.toUpperCase() != "BODY"
						&& O.tagName.toUpperCase() != "HTML") {
					if (C.Dom.getStyle(O, "display") != "inline") {
						U[0] -= O.scrollLeft;
						U[1] -= O.scrollTop
					}
					if (O.parentNode) {
						O = O.parentNode
					} else {
						O = null
					}
				}
				return U
			};
			return C.Dom.batch(M, N, C.Dom, true)
		},
		getX : function(M) {
			var N = function(O) {
				return C.Dom.getXY(O)[0]
			};
			return C.Dom.batch(M, N, C.Dom, true)
		},
		getY : function(M) {
			var N = function(O) {
				return C.Dom.getXY(O)[1]
			};
			return C.Dom.batch(M, N, C.Dom, true)
		},
		setXY : function(M, P, O) {
			var N = function(S) {
				var R = this.getStyle(S, "position");
				if (R == "static") {
					this.setStyle(S, "position", "relative");
					R = "relative"
				}
				var U = this.getXY(S);
				if (U === false) {
					return false
				}
				var T = [parseInt(this.getStyle(S, "left"), 10),
						parseInt(this.getStyle(S, "top"), 10)];
				if (isNaN(T[0])) {
					T[0] = (R == "relative") ? 0 : S.offsetLeft
				}
				if (isNaN(T[1])) {
					T[1] = (R == "relative") ? 0 : S.offsetTop
				}
				if (P[0] !== null) {
					S.style.left = P[0] - U[0] + T[0] + "px"
				}
				if (P[1] !== null) {
					S.style.top = P[1] - U[1] + T[1] + "px"
				}
				if (!O) {
					var Q = this.getXY(S);
					if ((P[0] !== null && Q[0] != P[0])
							|| (P[1] !== null && Q[1] != P[1])) {
						this.setXY(S, P, true)
					}
				}
			};
			C.Dom.batch(M, N, C.Dom, true)
		},
		setX : function(N, M) {
			C.Dom.setXY(N, [M, null])
		},
		setY : function(M, N) {
			C.Dom.setXY(M, [null, N])
		},
		getRegion : function(M) {
			var N = function(O) {
				var P = new C.Region.getRegion(O);
				return P
			};
			return C.Dom.batch(M, N, C.Dom, true)
		},
		getClientWidth : function() {
			return C.Dom.getViewportWidth()
		},
		getClientHeight : function() {
			return C.Dom.getViewportHeight()
		},
		getElementsByClassName : function(O, M, N) {
			var P = function(Q) {
				return C.Dom.hasClass(Q, O)
			};
			return C.Dom.getElementsBy(P, M, N)
		},
		hasClass : function(O, N) {
			var M = new RegExp("(?:^|\\s+)" + N + "(?:\\s+|$)");
			var P = function(Q) {
				return M.test(Q["className"])
			};
			return C.Dom.batch(O, P, C.Dom, true)
		},
		addClass : function(N, M) {
			var O = function(P) {
				if (this.hasClass(P, M)) {
					return
				}
				P["className"] = [P["className"], M].join(" ")
			};
			C.Dom.batch(N, O, C.Dom, true)
		},
		removeClass : function(O, N) {
			var M = new RegExp("(?:^|\\s+)" + N + "(?:\\s+|$)", "g");
			var P = function(Q) {
				if (!this.hasClass(Q, N)) {
					return
				}
				var R = Q["className"];
				Q["className"] = R.replace(M, " ");
				if (this.hasClass(Q, N)) {
					this.removeClass(Q, N)
				}
			};
			C.Dom.batch(O, P, C.Dom, true)
		},
		replaceClass : function(P, N, M) {
			if (N === M) {
				return false
			}
			var O = new RegExp("(?:^|\\s+)" + N + "(?:\\s+|$)", "g");
			var Q = function(R) {
				if (!this.hasClass(R, N)) {
					this.addClass(R, M);
					return
				}
				R["className"] = R["className"].replace(O, " " + M + " ");
				if (this.hasClass(R, N)) {
					this.replaceClass(R, N, M)
				}
			};
			C.Dom.batch(P, Q, C.Dom, true)
		},
		generateId : function(M, O) {
			O = O || "yui-gen";
			M = M || {};
			var N = function(P) {
				if (P) {
					P = C.Dom.get(P)
				} else {
					P = {}
				}
				if (!P.id) {
					P.id = O + G++
				}
				return P.id
			};
			return C.Dom.batch(M, N, C.Dom, true)
		},
		isAncestor : function(N, O) {
			N = C.Dom.get(N);
			if (!N || !O) {
				return false
			}
			var M = function(Q) {
				if (N.contains && !K) {
					return N.contains(Q)
				} else {
					if (N.compareDocumentPosition) {
						return !!(N.compareDocumentPosition(Q) & 16)
					} else {
						var P = Q.parentNode;
						while (P) {
							if (P == N) {
								return true
							} else {
								if (!P.tagName
										|| P.tagName.toUpperCase() == "HTML") {
									return false
								}
							}
							P = P.parentNode
						}
						return false
					}
				}
			};
			return C.Dom.batch(O, M, C.Dom, true)
		},
		inDocument : function(M) {
			var N = function(O) {
				return this.isAncestor(document.documentElement, O)
			};
			return C.Dom.batch(M, N, C.Dom, true)
		},
		getElementsBy : function(S, N, O) {
			N = N || "*";
			var P = [];
			if (O) {
				O = C.Dom.get(O);
				if (!O) {
					return P
				}
			} else {
				O = document
			}
			var R = O.getElementsByTagName(N);
			if (!R.length && (N == "*" && O.all)) {
				R = O.all
			}
			for (var Q = 0, M = R.length; Q < M; ++Q) {
				if (S(R[Q])) {
					P[P.length] = R[Q]
				}
			}
			return P
		},
		batch : function(Q, M, P, O) {
			var N = Q;
			Q = C.Dom.get(Q);
			var U = (O) ? P : window;
			if (!Q || Q.tagName || !Q.length) {
				if (!Q) {
					return false
				}
				return M.call(U, Q, P)
			}
			var S = [];
			for (var R = 0, T = Q.length; R < T; ++R) {
				if (!Q[R]) {
					N = Q[R]
				}
				S[S.length] = M.call(U, Q[R], P)
			}
			return S
		},
		getDocumentHeight : function() {
			var N = (document.compatMode != "CSS1Compat")
					? document.body.scrollHeight
					: document.documentElement.scrollHeight;
			var M = Math.max(N, C.Dom.getViewportHeight());
			return M
		},
		getDocumentWidth : function() {
			var N = (document.compatMode != "CSS1Compat")
					? document.body.scrollWidth
					: document.documentElement.scrollWidth;
			var M = Math.max(N, C.Dom.getViewportWidth());
			return M
		},
		getViewportHeight : function() {
			var M = self.innerHeight;
			var N = document.compatMode;
			if ((N || F) && !D) {
				M = (N == "CSS1Compat")
						? document.documentElement.clientHeight
						: document.body.clientHeight
			}
			return M
		},
		getViewportWidth : function() {
			var M = self.innerWidth;
			var N = document.compatMode;
			if (N || F) {
				M = (N == "CSS1Compat")
						? document.documentElement.clientWidth
						: document.body.clientWidth
			}
			return M
		}
	}
})();
YAHOO.util.Region = function(C, D, A, B) {
	this.top = C;
	this[1] = C;
	this.right = D;
	this.bottom = A;
	this.left = B;
	this[0] = B
};
YAHOO.util.Region.prototype.contains = function(A) {
	return (A.left >= this.left && A.right <= this.right && A.top >= this.top && A.bottom <= this.bottom)
};
YAHOO.util.Region.prototype.getArea = function() {
	return ((this.bottom - this.top) * (this.right - this.left))
};
YAHOO.util.Region.prototype.intersect = function(E) {
	var C = Math.max(this.top, E.top);
	var D = Math.min(this.right, E.right);
	var A = Math.min(this.bottom, E.bottom);
	var B = Math.max(this.left, E.left);
	if (A >= C && D >= B) {
		return new YAHOO.util.Region(C, D, A, B)
	} else {
		return null
	}
};
YAHOO.util.Region.prototype.union = function(E) {
	var C = Math.min(this.top, E.top);
	var D = Math.max(this.right, E.right);
	var A = Math.max(this.bottom, E.bottom);
	var B = Math.min(this.left, E.left);
	return new YAHOO.util.Region(C, D, A, B)
};
YAHOO.util.Region.prototype.toString = function() {
	return ("Region {" + "top: " + this.top + ", right: " + this.right
			+ ", bottom: " + this.bottom + ", left: " + this.left + "}")
};
YAHOO.util.Region.getRegion = function(D) {
	var F = YAHOO.util.Dom.getXY(D);
	var C = F[1];
	var E = F[0] + D.offsetWidth;
	var A = F[1] + D.offsetHeight;
	var B = F[0];
	return new YAHOO.util.Region(C, E, A, B)
};
YAHOO.util.Point = function(A, B) {
	if (A instanceof Array) {
		B = A[1];
		A = A[0]
	}
	this.x = this.right = this.left = this[0] = A;
	this.y = this.top = this.bottom = this[1] = B
};
YAHOO.util.Point.prototype = new YAHOO.util.Region();
YAHOO.register("dom", YAHOO.util.Dom, {
			version : "2.2.0",
			build : "127"
		});