// JavaScript Document

function habilita(id) {
	
	var qtd = "qtd" + id;
	
	document.getElementById(qtd).disabled = false;
//	document.getElementById(qtd).value = '100';
	
}
/*

function habilita() {
	if (this.checked = 1 ) {
		document.getElementById('quantidade').disabled = 'enabled';
	}
	else {
		document.getElementById('quantidade').disabled = 'disabled';		
	}
}
*/