function validate_required(field,alerttxt) {
	with (field) {
  		if (value==null||value=="") {
    			alert(alerttxt);return false;
		} else {
			return true;
    		}
  	}
}

function validate_email(field,alerttxt) {
	with (field) {
		apos=value.indexOf("@");
		dotpos=value.lastIndexOf(".");
  		
		if (apos<1||dotpos-apos<2)
    			{alert(alerttxt);return false;}
  		else {return true;}
  	}
}


function validate_form(thisform) {
	with (thisform) {
		if (validate_required(fullname,"Full Name must be filled out!")==false){fullname.focus();return false;}
		if (validate_email(email,"Email wrong or not filled out!")==false){email.focus();return false;}
		if (validate_required(daytimephone,"Day Time Phone must be filled out!")==false){daytimephone.focus();return false;}
		if (validate_required(guests,"Number of Guests must be filled out!")==false){guests.focus();return false;}
		if (validate_required(checkindate,"Check In Date must be filled out!")==false){checkindate.focus();return false;}
		if (validate_required(checkoutdate,"Check Out Date must be filled out!")==false){checkoutdate.focus();return false;}
		if (validate_required(roomtype,"Room Type must be filled out!")==false){roomtype.focus();return false;}		 
		if (validate_required(captcha,"Captcha must be filled out!")==false){captcha.focus();return false;}
	}
}