// JavaScript Document
//This field will not accept special characters: (like !@#$%^&* etc)<br>

function bloqueia_car(){
	if ((event.keyCode > 32 && event.keyCode < 38) || (event.keyCode > 38 && event.keyCode < 48) || (event.keyCode > 57 && event.keyCode < 65) || (event.keyCode > 90 && event.keyCode < 97)) 
		event.returnValue = false;
}