/*/copyright by businessrocker.de/*/

Function.prototype.method=function(name, fn){
	this.prototype[name]=fn;
	return this; 
};
(function(){
	function _$(elems){
		this.elements=[];
		for(var i=0, len=elems.length;i<len;i++){
			var element=elems[i];
			
			if(typeof element==='string'){
				element2 = document.getElementById(element);	
				if(typeof element2!="undefined")
					if(element2==null)
						document.createElementNs?element =document.createElementNS("http://www.w3.org/1999/xhtml","html:"+element):element = document.createElement(element);
				else
					element = element2;
					
				//alert(element);
			}
			
			this.elements.push(element);
		}
	}
	_$.method('each',function(fn){
		for(var i=0,len=this.elements.length;i<len; i++){
			fn.call(this, this.elements[i]);
		}
	}).method('setClass', function(name, stelle){
		this.each(function(el){
			if(typeof stelle=="undefined")
				el.className=name;	   
			else{
				var classArr = el.className.split(" ");
				classArr[stelle]=name;
				el.className=classArr.join(" ");
			}
		})
		return this;
	}).method('setAttribute', function(name, value){
		this.each(function(el){
			el.setAttribute(name, value);	   
		})
		return this;
	}).method('setStyle', function(prop, val){
		this.each(function(el){
			el.style[prop]=val;	   
		})
		return this;
	}).method('getStyle', function(prop){
		this.each(function(el){
			return el.style[prop];	   
		})
		//return this;
	}).method('show', function(){
		var thisObj = this;
		this.each(function(el){
			thisObj.setStyle('display', 'block');			   
		})
		return this;
	}).method('append', function(elem){
		this.each(function(el){
			if(typeof elem!="undefined"){
				el.appendChild(this.checkElem(elem));
			}
		})
		return this;
	}).method('appendFirst', function(elem){
		this.each(function(el){
			el.parentNode.insertBefore(this.checkElem(elem), el.parentNode.firstChild);
		})
		return this;
	}).method('before', function(elem, befelem){
		this.each(function(el){
			el.parentNode.insertBefore(this.checkElem(elem), this.checkElem(befelem));
		})
		return this;
	}).method('after', function(elem, befelem){
		this.each(function(el){
			el.parentNode.insertBefore(this.checkElem(elem), this.checkElem(befelem).nextSibling);
		})
		return this;
	}).method('remove', function(elem){
		this.each(function(el){
			el.removeChild(elem);
			//alert(el);
		})
		return this;
	}).method('empty', function(){
		this.each(function(el){
			while(el.firstChild) 
				$(el).remove(el.firstChild);
		})
		return this;
	}).method('checkElem',function(elem){
		return elem && elem.constructor==String?document.createTextNode(elem):elem;
	}).method('get', function(number){
		number=number||0;
		return this.elements[number];
	})
	//EVENTS
	.method('addEvent', function(type, fn){
		this.each(function(el){
			if(el.addEventListener)
				el.addEventListener(type, fn, false)
			else if(el.attachEvent)
				el.attachEvent('on'+type, fn);
			else
				el['on'+type] = fn;
		})
		return this;					 
	}).method('removeEvent', function(type, fn){
		this.each(function(el){
			if(el.removeEventListener){
				el.removeEventListener(type, fn, false)
			}else if(el.detachEvent)
				el.detachEvent('on'+type, fn);
			else
				delete el['on'+type];
		})
		return this;					 
	})
	window.$ = function(){
		return new _$(arguments);	
	}
})();