// JavaScript Document
function trim(str){return str.replace(/^\s*|\s*$/g,"");}
function teclas(){if (Number(event.keyCode) < 45 || Number(event.keyCode) > 57) event.keyCode = 0;}
function letras(){if(Number(event.keyCode) < 65 || Number(event.keyCode) > 90 || Number(event.keyCode) < 97 || Number(event.keyCode) > 122) event.keyCode = 0;}
function validarMail(objeto) {
	eval("var texto = " + objeto + ".value;");
	var filtro = /^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/;
	if (filtro.test(texto))	return true;
	else return false;
}
function abrir(variable, ancho, alto) {eval("window.open('" + variable + "'"+ ",'ventana', 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=1,width=" + ancho + ",height=" + alto + ",left = " + ((screen.width - ancho) / 2) + ",top = " + ((screen.height - alto) / 2) + "');");}
function abrir_imp(variable, ancho, alto) {eval("window.open('" + variable + "'"+ ",'ventana_imp', 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=0,width=" + ancho + ",height=" + alto + ",left = " + ((screen.width - ancho) / 2) + ",top = " + ((screen.height - alto) / 2) + "');");}
function abrir_full(variable, ancho, alto) {eval("window.open('" + variable + "'"+ ",'ventana', 'fullscreen,toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=0');");}