function regcheckIN()
	{
		if (document.form1.Name.value=="")
		{
		alert("Please enter your Full Name.");
		document.form1.Name.focus();
		return false;
		}
		
		if (document.form1.Email_Address.value=="")
		{
		alert("Please enter your Email Address.");
		document.form1.Email_Address.focus();
		return false;
		}
		
		if ((document.form1.Email_Address.value.indexOf("@") == -1) ||  (document.form1.Email_Address.value.indexOf(".") == -1)){
			alert("'Email' field is required. Please enter a valid Email Address.");
			document.form1.Email_Address.focus();
			return false;
		}
		
		if(document.form1.Position.selectedIndex==0)
		{
		alert("Please select your Position.");
		document.form1.Position.focus();
		return false;
		}
		
		if(document.form1.Subject_Area.selectedIndex==-1)
		{
		alert("Please select your Subject Area.");
		document.form1.Subject_Area.focus();
		return false;
		}
		
		if (document.form1.school_college.value=="")
		{
		alert("Please enter your School / College Name.");
		document.form1.school_college.focus();
		return false;
		}
		
		if(document.form1.Organisation.selectedIndex==0)
		{
		alert("Please select your School / College.");
		document.form1.Organisation.focus();
		return false;
		}
		
		if (document.form1.post_code.value=="")
		{
		alert("Please enter your School Postcode.");
		document.form1.post_code.focus();
		return false;
		}
		
		if (document.form1.Address.value=="")
		{
		alert("Please enter your School Address.");
		document.form1.Address.focus();
		return false;
		}
		
		if (document.form1.Town_City.value=="")
		{
		alert("Please enter your Town / City.");
		document.form1.Town_City.focus();
		return false;
		}
		
		if (document.form1.County.value=="")
		{
		alert("Please enter your County.");
		document.form1.County.focus();
		return false;
		}
		
		if (document.form1.Telephone_Number.value=="")
		{
		alert("Please enter your Telephone Number.");
		document.form1.Telephone_Number.focus();
		return false;
		}
			}