function test_email(form,c1,c2)
{
		l_oke = true;
		var e1 = form.elements[c1].value;
		var n1, n2, n3;
		n1 = e1.indexOf('@');

		n2 = e1.indexOf('@', n1+1);
		n3 = e1.indexOf('.', n1+2);

        var ichars = "\/*;!#$%^&'()<>?|~`:\"{}[]=";

		  for (var i = 0; i < e1.length; i++)
		  	{
			if (ichars.indexOf(e1.charAt(i)) != -1)
				{
//				alert ("Your emailadres has special characters. \nThese are not allowed.\n Please remove them and try again.");
//				return false;
				l_oke = false;
				}
		  	}


		if	(n1 == -1)
			{
			l_oke = false;
			}

		if	(n2 != -1)
			{
			l_oke = false;
			}

		if	(n3 == -1)
			{
			l_oke = false;
			}


		if	(!l_oke)
			{
			alert(form.elements[c2].value);
			form.elements[c1].focus();
			}
		else
			{
			form.submit();
			}
}

function test_two_email(form,c1,c2,c3,c4)
{

		l_oke = true;
		l_oke1 = true;

		var e1 = form.elements[c1].value;
		var n1, n2, n3;

		n1 = e1.indexOf('@');
		n2 = e1.indexOf('@', n1+1);
		n3 = e1.indexOf('.', n1+2);

		if	(n1 == -1)
			{
			l_oke = false;
			}

		if	(n2 != -1)
			{
			l_oke = false;
			}

		if	(n3 == -1)
			{
			l_oke = false;
			}

		if	(e1.length == 0)
			{
			l_oke = true;
			}

		e1 = form.elements[c3].value;
		n1 = e1.indexOf('@');

		n2 = e1.indexOf('@', n1+1);
		n3 = e1.indexOf('.', n1+2);

		if	(n1 == -1)
			{
			l_oke1 = false;
			}

		if	(n2 != -1)
			{
			l_oke1 = false;
			}

		if	(n3 == -1)
			{
			l_oke1 = false;
			}


		if	(!l_oke || !l_oke1)
			{
			e1 = ""
			if	(!l_oke)
				{
				b = c2.split('|')
				for (i=0; i< b.length; i++)
					{
					e1 = e1 + b[i] + " ";
					}
					e1 = e1 + "\n" ;
				}
			if	(!l_oke1)
				{
				b = c4.split('|')
				for (i=0; i< b.length; i++)
					{
					e1 = e1 + b[i] + " ";
					}
					e1 = e1 + "\n" ;
				}

			alert(e1);

			if	(!l_oke)
				{
				form.elements[c1].focus();
				}
			else
				{
				form.elements[c3].focus();
				}
			}
		else
			{
			form.submit();
			}
}