// JavaScript Document

	// Inicialização de objetos 		
	var util = new Util();
	var form = new Form(util); // para formulários
	//var mascaras = new Mascaras();
	
	function $E() {
		var elements = new Array();
		for (var i = 0; i < arguments.length; i++) {
			var element = arguments[i];
			if (typeof element == 'string')
				element = document.getElementById(element);
			if (arguments.length == 1)
				return element;
			elements.push(element);
		}
		return elements;
	}
	
	
	
	function printJs(obj)
	{
		if(document.URL.indexOf("?") != -1)
		{
			if(document.URL.indexOf("&print=true") == -1)
			{
				obj.href = document.URL + "&print=true";
				return true;
			}
			else {
				obj.href = document.URL;
				return true;
			}
			
		}	 
		
		else {
			return false;	
		}
	}

	
	function goTo()
	{
		window.location = window.document.history.go(-1);	
	}