<!-- ;

function tidy5() {
if (newwindow && !newwindow.closed) { newwindow.close(); }
}

<!--
function myTrim()
{

	var str = "";
	var n = document.form1.length;

	for (var k=0;k<n;k++)
	{
		str = "" + document.form1[k].value;

		//trim the end
		while('' + str.charAt(str.length-1) == ' ')
		{
			str = str.substring(0,str.length-1);
		}
		//trim the front
		while('' + str.charAt(0) == ' ')
		{
			str = str.substring(1,str.length);
		}

		document.form1[k].value = str;
	}


}

function checkEmail()
{
	var i = document.form1.email.value.indexOf("@");
	if (i==-1)
	{
		return false;
	}
	else if (document.form1.email.value.substring(i).indexOf(".") == -1)
	{
		return false;
	}

	return true;
}


function form1_regist()
{
	myTrim();

	if (document.form1.naam.value =="" )
{
	   alert("Please fill in your name.");
	   document.form1.naam.focus();
	   return false;
	}

	else if (!document.form1.gender[0].checked && !document.form1.gender[1].checked )
	{
	   alert("Please select your gender.");
	   return false;
	}

	else if (document.form1.functie.value =="" )
	{
	   alert("Please fill in your function.");
	   document.form1.functie.focus();
	   return false;
	}
	else if (document.form1.organisatie.value =="" )
	{
	   alert("Please fill in your organization.");
	   document.form1.organisatie.focus();
	   return false;
	}
	else if (document.form1.email.value =="" )
	{
	   alert("Please fill in your email address.");
           document.form1.email.focus();
	   return false;
	}
	else if (!checkEmail())
	{
	   alert("This email address is not legal.");
	   document.form1.email.focus();
	   return false;
	}	
	else if (document.form1.telefoon.value =="" )
	{
	   alert("Please fill in your telephone number.");
	   document.form1.telefoon.focus();
	   return false;
	}
	else if (!document.form1.diner[0].checked && !document.form1.diner[1].checked )
	{
	   alert("Please select if you want attend diner?");
	   return false;
	}
	else if (!document.form1.vegetarisch[0].checked && !document.form1.vegetarisch[1].checked )
	{
	   alert("Please select if you are a vegetarian?");
	   return false;
	}
	else
	{
 	   document.form1.submit();
 	   return false;
	}
}