function checkFieldsForm1() {
	if (document.form1.txtComp.value == "") 
	{
		window.alert("You must fill in the company field");
	}
	else if (document.form1.txtCity.value == "")
	{
		window.alert("You must fill in the city/region field");
	}
	else if (document.form1.txtWeb.value == "")
	{
		window.alert("You must fill in the website field");
	}
	else if (document.form1.txtFName.value == "")
	{
		window.alert("You must fill in the first name field");
	}
	else if (document.form1.txtFamName.value == "")
	{
		window.alert("You must fill in the family name field");
	}
	else if (document.form1.txtTitle.value == "")
	{
		window.alert("You must fill in the job title field");
	}
	else if (document.form1.txtEmail.value == "")
	{
		window.alert("You must fill in the email field");
	}
	else if (document.form1.txtPhone.value == "")
	{
		window.alert("You must fill in the phone number field");
	}
	else if (document.form1.txtAdd1.value == "")
	{
		window.alert("You must fill in the postal address line 1 field");
	}
	else if (document.form1.txtAddTown.value == "")
	{
		window.alert("You must fill in the postal town field");
	}
	else if (document.form1.txtPostcode.value == "")
	{
		window.alert("You must fill in the postal code field");
	}
	//else if (document.form1.morn11[0].checked == false && document.form1.morn11[1].checked == false && document.form1.morn11[2].checked == false)
	//{
		//window.alert("You must fill in the 11:00 session field");
	//}
	//else if (document.form1.morn1125[0].checked == false && document.form1.morn1125[1].checked == false && document.form1.morn1125[2].checked == false)
	//{
		//window.alert("You must fill in the 11:35 session field");
	//}
	//else if (document.form1.morn1150[0].checked == false && document.form1.morn1150[1].checked == false && document.form1.morn1150[2].checked == false)
	//{
		//window.alert("You must fill in the 12:10 session field");
	//}
	//else if (document.form1.aft14[0].checked == false && document.form1.aft14[1].checked == false && document.form1.aft14[2].checked == false)
	//{
		//window.alert("You must fill in the 13:45 session field");
	//}
	//else if (document.form1.aft1425[0].checked == false && document.form1.aft1425[1].checked == false && document.form1.aft1425[2].checked == false)
	//{
		//window.alert("You must fill in the 14:20 session field");
	//}
	//else if (document.form1.aft1450[0].checked == false && document.form1.aft1450[1].checked == false && document.form1.aft1450[2].checked == false)
	//{
		//window.alert("You must fill in the 14:55 session field");
	//}
	else if (document.form1.selHeard.selectedIndex == 0)
	{
		window.alert("You must select a value in the heard about field");
	}
	else if (document.form1.txtEmail.value != "")
	{
		var textemail = document.form1.txtEmail.value.toLowerCase();
		if (textemail.indexOf("@") == -1)
		{
			window.alert("Your email address does not appear to be valid");
		}
		else if ((textemail.indexOf("hotmail") != -1) || (textemail.indexOf("yahoo") != -1) || (textemail.indexOf("msn") != -1))
		{
			window.alert("You are not allowed to register using free email account.");
		}
		else
		{
			window.alert("Your details have been sent, you should receive a confirmation shortly via email. Thank you.");
			document.form1.submit();
		}
	}
	
}

//function checkIOM(){
//	if (document.form1.selRodLoc.selectedIndex == 1)
//	{
//		window.alert("If you are registering from the Isle of Man we can fly you to Manchester at no cost to you. Please state you would like a flight in the additional //questions field");
//	}
//}