Weazel.Tools = {};

Weazel.Tools.JSON = {
	merge: function(object1, object2) {
		var result = {};
		for (var z in object1) {
			result[z] = object1[z];
		}
		for (var z in object2) {
			result[z] = object2[z];
		}
		return result;
	},
	mergeInto: function(base, object) {
		for (var z in object) {
			base[z] = object[z];
		}
		return base;
	}
};

Weazel.Tools.Dummy = {
	func: function() {
	}
};

Weazel.Tools.Dispatcher = {
	forwardTo: function(url) {
		document.location.href = url;
	}
};

Weazel.Tools.Check = {
	isNull:function(value) {
		return value == null || (typeof value == 'string' && (value.length == 0 || value.toLowerCase() == 'null'));
	},

	isAjaxRunning: function() {
		return typeof Ajax != 'undefined' && typeof Ajax.Functions != 'undefined';
	}
};

Weazel.Tools.XML = {
	loadFromString: function(s) {
		if(Prototype.Browser.IE) {
			var xml = new ActiveXObject('Microsoft.XMLDOM');
			xml.loadXML(s);
			return xml;
		} else {
			var parser = new DOMParser();
			return parser.parseFromString(s, 'text/xml');
		}
	}
};

Weazel.Tools.DOM = {
	textContent: function(element) {
		var text;
		if(Prototype.Browser.IE) {
			text = !Weazel.Tools.Check.isNull(element.text) ? element.text : element.innerText;
		} else {
			return element.textContent;
		}
		return !Weazel.Tools.Check.isNull(text) ? text : '';
	},
	recursiveWidth: function(element, checkElement) {
		if(checkElement && element.getWidth() > 0) {
			return element.getWidth();
		} else {
			var w = 0;
			if(element.childElements) {
				element.childElements().each(function(child) {
						w += Tools.DOM.recursiveWidth(child, true);
					});
			}
			return w;
		}
	},
	findAttributeRecursive: function(element, attributeName) {
		if(!Check.isNull(element.getAttribute(attributeName))) {
			return element.getAttribute(attributeName);
		} else if(!Check.isNull(element.parentNode)) {
			return Tools.DOM.findAttributeRecursive(element.parentNode, attributeName);
		} else {
			return '';
		}
	}
};

Weazel.Tools.JavaScript = {
	include: function(url) {
		if(Prototype.Browser.Gecko) {
			Element.insert($$('head')[0], { bottom: new Element('script', { type: 'text/javascript', defer: true, src: url }) });
		} else {
			document.write('<script type="text/javascript" src="' + url + '"></script>');
		}
	}
};

Weazel.Tools.Cookie = {
	setCookie: function(name, value, parameters) {
		var cookie = name + "=" + escape(value);
		if(!Weazel.Tools.Check.isNull(parameters.expires)) {
			cookie += "; expires=" + parameters.expires.toGMTString();
		} else if(!Weazel.Tools.Check.isNull(parameters.expiresDays)) {
			var now = new Date();
			now.setTime(now.getTime() + (parameters.expiresDays * 24 * 60 * 60 * 1000));
			cookie += "; expires=" + now.toGMTString();
		}
		if(!Weazel.Tools.Check.isNull(parameters.path)) {
			cookie += "; path=" + parameters.path;
		}
		if(!Weazel.Tools.Check.isNull(parameters.domain)) {
			cookie += "; domain=" + parameters.domain;
		}
		if(!Weazel.Tools.Check.isNull(parameters.secure)) {
			cookie += "; secure";
		}
		document.cookie = cookie;
	},
	getCookie: function(name) {
		var dc = document.cookie;
		var prefix = name + "=";
		var begin = dc.indexOf("; " + prefix);
		if (begin == -1) {
			begin = dc.indexOf(prefix);
			if (begin != 0) {
				return null;
			}
		} else {
			begin += 2;
		}
		var end = document.cookie.indexOf(";", begin);
		if (end == -1) {
			end = dc.length;
		}
		return unescape(dc.substring(begin + prefix.length, end));
	}
};