function f_trimmer(thisstring)
{
	while(thisstring.charAt(0)==" ")
	{
		thisstring=thisstring.substring(1,thisstring.length);
	}
	return thisstring;
}

function checkme(form){
	if (form=='frm_selbook')
	{
		
		if ($('select[name="book[departure]"]').val()==''){
			alert("Please select a Departure!");
			return false;
		}
		if ($('select[name="book[arrival]"]').val()==""){
			alert("Please select an Arrival!");
			return false;
		}
		if ($('input[name="book[departure_date]"]').val()==""){
			alert("Please select a date!");
			return false;
		}
		if ($('select[name="book[quantity]"]').val()==""){
			alert("Please select tickets!");
			return false;
		}
		if ($('select[name="book[ticket_type]"]').val()==""){
			alert("Please select ticket type!");
			return false;
		}
		
		
		
		
	}
	else if (form=='checkout')
	{
		
		if (f_trimmer($('input[name=email]').val())==""){
			alert("Email is required");
			document.forms[form].email.focus();
			return false;
		} else {
			var s = new String($('input[name=email]').val());
	
			if ((s.indexOf(".")==-1 || s.indexOf("@")==-1)){       
				alert ("Email address is invalid.");
				document.forms[form].email.focus();
				return false;
			} 
		}
			
		if ($('input[name="firstname"]').val()==""){
			alert("First name is required!");
			return false;
		}
		if ($('input[name="lastname"]').val()==""){
			alert("Last name is required!");
			return false;
		}
		if ($('input[name="mobile"]').val()==""){
			alert("Mobile is required!");
			return false;
		}
		if (!$('input[name="accept_terms"]').attr('checked')){
			alert("You have to agree to the terms!");
			return false;
		}
		
		
	}
	else if (form=='frm_contact')
	{
		if (document.forms[form].firstname){
			if (f_trimmer(document.forms[form].firstname.value)==""){
				 alert("First Name is required");
				 document.forms[form].firstname.focus();
				 return false;
			}
		}
		if (document.forms[form].surname){
			if (f_trimmer(document.forms[form].surname.value)==""){
				 alert("Surname is required");
				 document.forms[form].surname.focus();
				 return false;
			}
		}
		if (document.forms[form].email){
			
			if (f_trimmer(document.forms[form].email.value)==""){
				alert("Email is required\n");
				document.forms[form].email.focus();
				return false;
			} else {
		   		var s = new String(document.forms[form].email.value);
		
		       	if ((s.indexOf(".")==-1 || s.indexOf("@")==-1)){       
		       		alert ("Email address is invalid.");
					document.forms[form].email.focus();
					return false;
				} 
			}
		}
		if (document.forms[form].message){
			if (f_trimmer(document.forms[form].message.value)==""){
			
				 alert("Message is required");
				 document.forms[form].message.focus();
				 return false;
			}
		}
		if (document.forms[form].security_code){
			if (f_trimmer(document.forms[form].security_code.value)==""){
				 alert("Confirm security code!");
				 document.forms[form].security_code.focus();
				 return false;
			}
		}
	
	}
	
	return true;
}