function check_available()
{
	var check;
	check=document.frm;
	if(check.check_in.value == "")
	{
		alert("Please enter check in date");
		check.check_in.focus();
        return false ;
	}
	if(check.check_out.value == "")
	{
		alert("Please enter check out date");
		check.check_out.focus();
        return false ;
	}

	document.frm.submit();
}

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