function esValidoEmail(cadena) {
  //generico
  //strExpReg = (^[0-9a-zA-Z]+(?:[._][0-9a-zA-Z]+)*)@([0-9a-zA-Z]+(?:[._-][0-9a-zA-Z]+)*\.[0-9a-zA-Z]{2,3})$)
  //mas estricto, acorde a RFC2
  strExpReg = /[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?/
  //strExpReg = /^[_a-zA-Z0-9-]+(\.[_a-zA-Z0-9-]+)*@_[_a-zA-Z0-9-]+(\.[a-zA-Z0-9-]+)*$/;
  return strExpReg.test(cadena);
}

function esValidoFecha(cadena) {
  //strExpReg = /^(3[01]|0?[1-9]|[12]d)\/(0?[1-9]|1[012])\/d{4}/;
  strExpReg = /^(((0[1-9]|[12][0-9]|3[01])([/])(0[13578]|10|12)([/])(\d{4}))|(([0][1-9]|[12][0-9]|30)([/])(0[469]|11)([/])(\d{4}))|((0[1-9]|1[0-9]|2[0-8])([/])(02)([/])(\d{4}))|((29)(\.|-|\/)(02)([/])([02468][048]00))|((29)([/])(02)([/])([13579][26]00))|((29)([/])(02)([/])([0-9][0-9][0][48]))|((29)([/])(02)([/])([0-9][0-9][2468][048]))|((29)([/])(02)([/])([0-9][0-9][13579][26])))$/
  return strExpReg.test(cadena);
}

function showSM(SM) {
	var $j = jQuery
	if (SM) {
		a=1;
		$j("#submenu").hide().children().hide();
		$j("#menuh-div").show()
		var offset = $j("#menuh-div").offset();
		var t = parseInt(offset.top) + 26; var l = offset.left;
		$j("#submenu").offset({top:t,left:l}).show().offset({top:t,left:l});
		$j("#"+SM).fadeIn(250);
	} else { $j("#submenu").hide();a=0;}
	escribe(a);
}

function escribe(a) {jQuery('#msg').text(a)}

function showSMfixed(SM) {
	
}

function showCart() {
	var w = document.body.parentNode.offsetWidth;
	var h = document.body.parentNode.offsetHeight;
	
	hidewE = document.getElementById('hideWindowedElements');
	hidewE.style.top = 0
	hidewE.style.left = 0
	hidewE.style.width = w - 20
	hidewE.style.height = h - 20
	hidewE.style.visibility='visible';
	hidewE.style.position='absolute';	
	
	ifacdiv = document.getElementById('iframe_cart_div');
	ifacdiv.style.top = 0
	ifacdiv.style.left = 0
	ifacdiv.style.width = w - 20
	ifacdiv.style.height = h - 20
	ifacdiv.style.visibility='visible';
	ifacdiv.style.position='absolute';	
	
	ifac = document.getElementById('iframe_cart');
	ifac.src = "http://www.aragonesesviajes.com/Receptivo/cart/itinerary_summary.asp"
	var wifac = ifac.width;
	var hifac = ifac.height;
	ifac.style.top = eval((h-hifac)/2) - 50;
	ifac.style.left = eval((w-wifac)/2);
	ifac.style.visibility='visible';
	ifac.style.position='absolute';
}

function hideCart() {
	hidewE = document.getElementById('hideWindowedElements');
	hidewE.style.visibility = "hidden";
	hidewE.style.position = "absolute";
	hidewE.style.top = "-1000px";
	hidewE.style.left = "-1000px";

	ifacdiv = document.getElementById('iframe_cart_div');
	ifacdiv.style.visibility = "hidden";
	ifacdiv.style.position = "absolute";
	ifacdiv.style.top = "-1000px";
	ifacdiv.style.left = "-1000px";

	ifac = document.getElementById('iframe_cart');
	ifac.style.visibility = "hidden";
	ifac.style.position = "absolute";
	ifac.style.top = "-1000px";
	ifac.style.left = "-1000px";
}