function checkmail(fa){
	var f = document.getElementById(fa).value;
	var filter=/^.+@.+\..{2,3}$/
	if(filter.test(f)){return true;}else{show_dialog('visible',lndef[0],1);return false;}
}
function validate(fa,alerts){
	var f = document.getElementById(fa);
	if (f.value==null||f.value==""){show_dialog('visible',alerts,1);return false;}else {return true}
}

function radioButt(num){
	if(num==1){
		document.getElementById('piegade1').className='radio act';
		document.getElementById('piegade2').className='radio';
		document.getElementById('piegade').value='1';
	}else{
		document.getElementById('piegade1').className='radio';
		document.getElementById('piegade2').className='radio act';
		document.getElementById('piegade').value='2';
	}
}