function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function imputfocus(nomImput,nomForm,val) {
		valimput=eval("document."+nomForm+"."+nomImput+".value");
		if(valimput==val) {
			eval("document."+nomForm+"."+nomImput+".value=''");
		}
}

function imputblur(nomImput,nomForm,val) {
	valimput=eval("document."+nomForm+"."+nomImput+".value");
	if(valimput=="") {
		eval("document."+nomForm+"."+nomImput+".value='"+val+"'");
	}
}

function validarEmail(theElement) {
	var s = theElement.value;
	var filter=/^[A-Za-z][A-Za-z0-9_.]*@[A-Za-z0-9_]+\.[A-Za-z0-9_.]+[A-za-z]$/;
	if (s.length == 0 ) return false;
	if (filter.test(s))
	return true;
	else
	return false;
}