// JavaScript Document

function form_borrar (frm) {
	document.all[frm].reset();
}

function form_enviar (frm) {
	document.all[frm].submit();
}

function form_rev_enviar (frm) {
	if (revisar())
		form_enviar(frm);
}

function comparar_igual (str1, str2) {
	if (str1==str2)
		return true;
	else
		return false;
}

function validar_fecha (stra, strm, strd) {
	var mUlt = new Array(31,28,31,30,31,30,31,31,30,31,30,31);
	if (!stra || !strm || !strd)
		return false;

	if (stra % 4 == 0)
		if (stra % 100 == 0)
			if (stra % 200 == 0)
				mUlt[1] = 29;
			else
				mUlt[1] = 28;
		else
			mUlt[1] = 29;

	if (strd <= mUlt[strm-1])
		return true;
	else
		return false;	
}

function validar_correo (str1) {
	var filtro  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
	if (filtro.test(str1))
		return true;
	else
		return false;
}

function validar_numero (str1) {
	if (isNaN(str1))
		return false;
	else
		return true;
}