// Java Document
var nav4 = window.Event ? true : false;
function acceptNum(evt){
// NOTE: Backspace = 8, Enter = 13, '0' = 48, '9' = 57
var key = nav4 ? evt.which : evt.keyCode;
return (key <= 13 || (key >= 48 && key <= 57));
}

function activar(){
	if(document.getElementById('cedula').value == ""){
		document.getElementById('consulta').disabled = true
	}else{
		document.getElementById('consulta').disabled = false
	}
}