domtabs = new Class({
	initialize: function(postfix,ul) {
		if (ul)	this.ulid = ul;
		else 	this.ulid = 'domtabs_menu';
	
		if (postfix)this.classN = 'div.domtabs.' + postfix;
		else  		this.classN = 'div.domtabs';
	
		this.select = 0;
		this.init(); 
	},
	
	init: function (){ 
	    this.tabs = document.getElements(this.classN); 
		for(i=1; i<this.tabs.length;i++)
			this.tabs[i].style.display = 'none'; 
		this.show(0); 
	},
	
	show: function(num){ 
		this.tabs[this.select].style.display = 'none'; 
		this.tabs[num].style.display = 'block'; 
		var LIs = $(this.ulid).getElements('li'); 
		LIs[this.select].className = ''; 
		LIs[num].className = 'selected'; 
		this.select = num; 
	}
});