function validEmail(email) {
		invalidChars = " /:,;"
	
		if (email == "") {
			return false;
		}
		for (i=0; i<invalidChars.length; i++) {
			badChar = invalidChars.charAt(i)
			if (email.indexOf(badChar,0) > -1) {
				return false;
			}
		}
		atPos = email.indexOf("@",1)
		if (atPos == -1) {
			return false;
		}
		if (email.indexOf("@",atPos+1) > -1) {
			return false;
		}
		periodPos = email.indexOf(".",atPos)
		if (periodPos == -1) {
			return false;
		}
		if (periodPos+3 > email.length)	{
			return false;
		}
		return true;
	}


	function checkOut(contact) {
	
	if (contact.name.value == "") {
		alert("Please enter your name in the space provided")
		contact.name.select()
		return false;
		}
		
						if (!validEmail(contact.email.value)) {
		alert("Please enter a valid e-mail address.")
		contact.email.focus()
		contact.email.select()
		return false;
		}
		
			
		         if (contact.enquiry.value == "") {
		alert("Please enter your details in the space provided")
		contact.enquiry.select()
		return false;
		}
		

		
	            if (contact.address.value == "") {
		alert("Please enter your address in the space provided")
		contact.address.select()
		return false;
		}

	            if (contact.postcode.value == "") {
		alert("Please enter your postcode in the space provided")
		contact.postcode.select()
		return false;
		}

	            if (contact.phone.value == "") {
		alert("Please enter your phone number in the space provided")
		contact.phone.select()
		return false;
		}

	            if (contact.category.value == "") {
		alert("Please enter a business category in the space provided")
		contact.category.select()
		return false;
		}
		

		

		
		
		return true;
		}