function checkAvailability() {
	var iYear  = 2009;
	var iMonth = 11;
	var iDay   = 21;

	var todaydate = pad4(2009) + pad2(11) + pad2(21);
	var checkindate;
	var checkoutdate;
	var week50date;
	checkindate = document.frmMain.checkindate.value;
	var checkinyear = checkindate.substr(6,4); 
	var checkinmonth = checkindate.substr(0,2);
	var checkinday = checkindate.substr(3,2); 
	checkindate = checkinyear+ checkinmonth + checkinday;
	checkoutdate = document.frmMain.checkoutdate.value;
	var checkoutyear = checkoutdate.substr(6,4); 
	var checkoutmonth = checkoutdate.substr(0,2);
	var checkoutday = checkoutdate.substr(3,2);
	checkoutdate = checkoutyear+ checkoutmonth + checkoutday;
	week50date = pad4(2010) + pad2(11) + pad2(6);
	
	if (checkindate < todaydate) {
		alert("Check In date cannot be a past date|"+checkindate+"|"+todaydate);
		return void(0);
	}

	if (checkoutdate <= todaydate) {
		alert("Check Out date cannot be today's date");
		return void(0);
	}
	if (checkindate >= checkoutdate)
	{
		alert("Check In date must be before Check Out date");
		return void(0);	
	}
	if (checkoutdate > week50date)
		{
		alert("Availability for dates more than 50 weeks in the future is not available at this time.");
		return void(0);
	}
	
	//Check the company code is  valid alphanumeric characters
	var sCompCode = '';
	if (isAlphaNumeric('companycode')) {
		if(document.frmMain.companycode.value.length > 0){
			sCompCode = document.frmMain.companycode.value;
		} else {
			sCompCode = '';
		}
	} else {
		alert('The company code is invalid. Please try again.');
		document.frmMain.companycode.value = '';
		document.frmMain.companycode.focus();
		return void(0);
	}	
	
	//Check the promo code for valid alphanumeric characters
	var sPromo = '';
	if (isAlphaNumeric('promocode')) {
		if(document.frmMain.promocode.value.length > 0){
			sPromo = document.frmMain.promocode.value;
		} else {
			sPromo = '';
		}
	} else {
		alert('The promotional code is invalid. Please try again.');
		document.frmMain.promocode.value = '';
		document.frmMain.promocode.focus();
		return void(0);
	}	

	if ((document.frmMain.state.selectedIndex <= 0) || (document.frmMain.MetroID.selectedIndex <= 0))	{
		//alert("You must select a State/province and metro area.");
		var locationurl;
        if (document.frmMain.state.selectedIndex <= 0) 
		{
			locationurl = "findHotel/main.asp" + 
				"?state=" + escape(document.frmMain.state.options[document.frmMain.state.selectedIndex].value)+
				"&FromNewRes=1" +
				"&iata="       + escape("") + 
				"&numadults="  + document.frmMain.numadults.options[document.frmMain.numadults.selectedIndex].value + "" + 
				"&numkids="    + document.frmMain.numkids.options[document.frmMain.numkids.selectedIndex].value + "" + 
				"&numrooms="   + document.frmMain.rooms.options[document.frmMain.rooms.selectedIndex].value + "" +
				"&inmonth="    + checkinmonth + "" + 
				"&inday="      + checkinday + "" +
				"&inyear="     + checkinyear + "" +
				"&outmonth="   + checkoutmonth + ""+
				"&outday="     + checkoutday + "" +
				"&outyear="    + checkoutyear + "" +
				"&rateid="     + escape(document.frmMain.rates.options[document.frmMain.rates.selectedIndex].value) + 
				"&directbill=" + escape("") +
				"&promoCode="  + escape(sPromo);
				if (sCompCode.length > 0) {
					url = url + "&companycode=" + escape(sCompCode);
				}
		}
		else
		{
			locationurl = "findHotel/metroArea.asp"+
				"?state=" + escape(document.frmMain.state.options[document.frmMain.state.selectedIndex].value)+
				"&FromNewRes=1" +				
				"&iata="       + escape("") + 
				"&numadults="  + document.frmMain.numadults.options[document.frmMain.numadults.selectedIndex].value + "" + 
				"&numkids="    + document.frmMain.numkids.options[document.frmMain.numkids.selectedIndex].value + "" + 
				"&numrooms="   + document.frmMain.rooms.options[document.frmMain.rooms.selectedIndex].value + "" +
				"&inmonth="    + checkinmonth + "" + 
				"&inday="      + checkinday + "" +
				"&inyear="     + checkinyear + "" +
				"&outmonth="   + checkoutmonth + ""+
				"&outday="     + checkoutday + "" +
				"&outyear="    + checkoutyear + "" +
				"&rateid="     + escape(document.frmMain.rates.options[document.frmMain.rates.selectedIndex].value) + 
				"&directbill=" + escape("") +
				"&promoCode="  + escape(sPromo);
				if (sCompCode.length > 0) {
					url = url + "&companycode=" + escape(sCompCode);
				}		
		}
		parent.location.href = locationurl;
		return void(0);
	}

	//Check the numAdults and numKids < 5
	var chkNumAdults = document.frmMain.numadults.options[document.frmMain.numadults.selectedIndex].value - 0;
	var chkNumKids   = document.frmMain.numkids.options[document.frmMain.numkids.selectedIndex].value - 0;
	if ((chkNumAdults + chkNumKids) >= 5) {
		alert('Maximum occupancy per room is 4 people.  Please reduce your numbers.');
		return void(0);
	}

	var selectedrate = "";
        if (document.frmMain.rates.selectedIndex >= 0)
			selectedrate = document.frmMain.rates.options[document.frmMain.rates.selectedIndex].value;
	var url = "http://www.ExtendedStayAmerica.com/session2.asp"+
		"?page=" + escape("http://www.ExtendedStayAmerica.com/") +
		"&state="      + escape(document.frmMain.state.options[document.frmMain.state.selectedIndex].value) + 
		"&metroid="    + escape(document.frmMain.MetroID.options[document.frmMain.MetroID.selectedIndex].value) + 
		"&iata="       + escape("") + 
		//"&corpinfo="   + escape("") + 
		"&numadults="  + document.frmMain.numadults.options[document.frmMain.numadults.selectedIndex].value + "" + 
		"&numkids="    + document.frmMain.numkids.options[document.frmMain.numkids.selectedIndex].value + "" + 
		"&numrooms="   + document.frmMain.rooms.options[document.frmMain.rooms.selectedIndex].value + "" +
		"&inmonth="    + checkinmonth + "" + 
		"&inday="      + checkinday + "" +
		"&inyear="     + checkinyear + "" +
		"&outmonth="   + checkoutmonth + ""+
		"&outday="     + checkoutday + "" +
		"&outyear="    + checkoutyear + "" +
		"&rateid="     + escape(document.frmMain.rates.options[document.frmMain.rates.selectedIndex].value) + 
		"&directbill=" + escape("") +
		"&promoCode="  + escape(sPromo);
	if (sCompCode.length > 0) {
		url = url + "&companycode=" + escape(sCompCode);
	}
//	if (document.frmMain.location.selectedIndex <= 0) {
		url = url + "&destpage=make";
//	} else {
//		url = url + "&destpage=lodging";
//	}
//alert(url);
	parent.location.href = url + "&WTReferrer=http%3A%2F%2Fwww%2Eextendedstayamerica%2Ecom%2Fincludes%2Fcontent%2DreservationFormjsB%2Easp%3F";

	return void(0);
}