// JavaScript Document
function trim(str) 
{ 
	return str.replace(/^\s+|\s+$/g, ''); 
}
function validateEmail(str)
{
	var emailRegEx = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
	return (str.match(emailRegEx));
}
function validateBooking(frm)
{
	if(trim(frm.first_name.value) == "")
	{
		alert("Enter your first name");
		frm.first_name.focus();
		return false;
	}
	else if(trim(frm.last_name.value) == "")
	{
		alert("Enter your last name");
		frm.last_name.focus();
		return false;
	}
	else if(validateEmail(frm.email.value) == null)
	{
		alert("Enter valid email id");
		frm.email.focus();
		return false;
	}
	else if(trim(frm.contact_number.value) == "")
	{
		alert("Enter your contact number");
		frm.contact_number.focus();
		return false;
	}
	else if(trim(frm.post_code.value) == "")
	{
		alert("Enter post code");
		frm.post_code.focus();
		return false;
	}
	else if(trim(frm.desc_problem.value) == "")
	{
		alert("Enter description of problem");
		frm.desc_problem.focus();
		return false;
	}
	else if(trim(frm.ddate.value) == "")
	{
		alert("Enter desired date");
		return false;
	}
	else
		return true;
}
function validateCus(frm)
{
	if(trim(frm.first_name.value) == "")
	{
		alert("Enter your first name");
		frm.first_name.focus();
		return false;
	}
	else if(trim(frm.last_name.value) == "")
	{
		alert("Enter your last name");
		frm.last_name.focus();
		return false;
	}
	else if(validateEmail(frm.email.value) == null)
	{
		alert("Enter valid email id");
		frm.email.focus();
		return false;
	}
	else if(trim(frm.contact_number.value) == "")
	{
		alert("Enter your contact number");
		frm.contact_number.focus();
		return false;
	}
	else if(trim(frm.message.value) == "")
	{
		alert("Enter message");
		frm.message.focus();
		return false;
	}
	else
		return true;
	
}