/*

 * HTML Element Converter 2006.09.06

 * by NHN UII.Gony

 */



// create class

var twClass = function(/* definition */){

	var obj = function() {

		if (this.__const) this.__const.apply(this,arguments);

	}

	if (arguments[0]) twClass.extend(obj.prototype, arguments[0]);



	return obj;

	alert(1);

}



// class inheritance - multiple inheritance supportable

twClass.extend = function(superClass/*, subCls1, subCls2, ... */) {

	var obj = superClass;

	for(var i=1; i < arguments.length; i++) {

		if (arguments[i]) {

			for(var x in arguments[i]) {

				obj[x] = arguments[i][x];

			}

		}

	}



	return obj;

}



// global event object

var twEvent = {

	register : function(oEl, sEvent, pFunc) {

		oEl = $(oEl);

		if (oEl.addEventListener) {

			oEl.addEventListener(sEvent, pFunc, false);

		} else if(oEl.attachEvent) {

			oEl.attachEvent('on'+sEvent, pFunc);

		}

	},

	unregister : function(oEl, sEvent, pFunc) {

		oEl = $(oEl);

		if (oEl.removeEventListener) {

			oEl.removeEventListener(sEvent, pFunc, false);

		} else if(oEl.detachEvent) {

			oEl.detachEvent('on'+sEvent, pFunc);

		}

	},

 	ready : function(evt) {

		var e = evt || window.event;

		var b = document.body;



		twClass.extend(e, {

			element : e.target || e.srcElement,

			page_x  : e.pageX || e.clientX+b.scrollLeft-b.clientLeft,

			page_y  : e.pageY || e.clientY+b.scrollTop-b.clientTop,

			key     : {

				alt : e.altKey,

				ctrl : e.ctrlKey,

				shift : e.shiftKey,

				up : [38,104].has(e.keyCode),

				down : [40,98].has(e.keyCode),

				left : [37,100].has(e.keyCode),

				right : [39,102].has(e.keyCode),

				enter : (e.keyCode==13)

			},

			mouse   : {

				left   : (e.which&&e.button==0)||!!(e.button&1),

				middle : (e.which&&e.button==1)||!!(e.button&4),

				right  : (e.which&&e.button==2)||!!(e.button&2)

			},

			stop : function() {

				if (this.preventDefault) {

					this.preventDefault();

					this.stopPropagation();

				} else {

					this.returnValue = false;

					this.cancelBubble = true;

				}

			}

		});



		return e;

	}

}



// global element object

var twElement = {

	show : function() {

		[].load(arguments).each(function(v){ $(v).style.display=''; });

	},

	hide : function() {

		[].load(arguments).each(function(v){ $(v).style.display='none'; });

	},

	toggle : function() {

		[].load(arguments).each(function(v){ twElement[twElement.visible(v)?'hide':'show'](v) });

	},

	visible : function(oEl) {

		return ($(oEl).style.display!='none');

	},

	realPos : function(oEl) {

		if (oEl.offsetParent) {

			var p = this.realPos(oEl.offsetParent);

			return { top: oEl.offsetTop+p.top, left: oEl.offsetLeft+p.left };

		} else {

			return { top: oEl.offsetTop, left:oEl.offsetLeft };

		}

	},

	getCSS : function(oEl, name) {

		return oEl.style[name];

	},

	setCSS : function(oEl, css) {

		twClass.extend(oEl.style, css);

	},

	hasClass : function(oEl, className) {

		return $(oEl).className.split(/\s+/).has(className);

	},

	addClass : function(oEl, className) {

		if (!this.hasClass(oEl, className)) ($(oEl).className+=' '+className).replace(/^\s+/,'');

	},

	removeClass : function(oEl, className) {

		$(oEl).className = $(oEl).className.replace(new RegExp('(^|\s+)'+className+'($|\s+)','g'),'');

	}

}



// array extend

twClass.extend(Array.prototype, {

	has : function(value) {

		for(var i=0; i<this.length; i++) {

			if (this[i] == value) return true;

		}

		return false;

	},

	load : function(obj) {

		for(var i=0; i<obj.length; i++) {

			this.push(obj[i]);

		}

		return this;

	},

	each : function(iter) {

		for(var i=0; i<this.length; i++) {

			iter(this[i],i);

		}

	},

	filter : function(iter) {

		var ret = [];

		for(var i=0; i<this.length; i++) {

			if (iter(this[i],i)) ret.push(this[i]);

		}

		return ret;

	},

	map : function(iter) {

		for(var i=0; i<this.length; i++) {

			this[i] = iter(this[i],i);

		}

	},

	refuse : function(value) {

		return this.filter(function(v){ return v!=value });

	}

});

if (Array.prototype.forEach) {

	Array.prototype.each = Array.prototype.forEach;

}



// function extend

twClass.extend(Function.prototype, {

	bind : function(obj) {

		var f=this, a=[].load(arguments);a.shift();

		return function() {

			return f.apply(obj, a);

		}

	},

	bindForEvent : function(obj) {

		var f=this;

		return function(e) {

			return f.call(obj, twEvent.ready(e));

		}

	}

});



// get object by id

function $() {

	var ret = [];

	for(var i=0; i < arguments.length; i++) {

		if (typeof arguments[i] == 'string') {

			ret.push(document.getElementById(arguments[i]));

		} else {

			ret.push(arguments[i]);

		}

	}

	return ret[1]?ret:ret[0];

}



// create element

function $c(tag) {

	return document.createElement(tag);

}



// get elements by class name

document.getElementsByClassName = function(className, oParent) {

	var a = [].load(($(oParent) || document.body).getElementsByTagName('*'));

	var r = new RegExp('(^|\\s)'+className+'($|\\s)');

	return a.filter(function(v){ return r.match(v.className); });

}