function enquiry_validation() // name of function
{
	var validationmessage = ""; // set the varible to blank
	var validemail = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
	var email = document.enquiryform.email.value;

	if(document.enquiryform.name.value == "")
	{
		validationmessage += "Please enter your name<br />"; // set varible to empty value name
	}

	if((email == "") || (validemail.test(email) == false))
	{
		validationmessage += "Please enter a valid email address<br />"; // set varible to empty value name
	}

	if(document.enquiryform.enquiry.value == "")
	{
		validationmessage += "Please enter your enquiry<br />"; // set varible to empty value name
	}
	
	if(validationmessage != "")
	{
		if(document.getElementById('ValidationMessage') !== null)
		{
			var existingelement = document.getElementById('ValidationMessage');
			existingelement.innerHTML = (validationmessage);
		}
		
		else
		{
			var newelement = document.createElement("div");
			newelement.id = "ValidationMessage";
			newelement.className = "validation-message";
			newelement.innerHTML = (validationmessage);
			document.getElementById('ValidationContainer').appendChild(newelement);
		}
		return false;
	}
	else return true;
}