<!--

function validate(){
if (document.cartoon.van_naam.value.length < 3){
	alert("Please fill in your name, at least 3 chars are required");
}else{
if (!/[a-z0-9_.-]+\@[a-z0-9-]{2,}\.+[a-z0-9]{2,4}/.test(document.cartoon.van_email.value)){
	alert("Please fill in a valid e-mail address and all in lower case.");
}else{
if (!/[a-z0-9_.-]+\@[a-z0-9-]{2,}\.+[a-z0-9]{2,4}/.test(document.cartoon.vriend_1.value)){
	alert("Please fill in a valid e-mail address and all in lower case for friend 1");
}else{
if ((document.cartoon.vriend_2.value != "") && (!/[a-z0-9_.-]+\@[a-z0-9-]{2,}\.+[a-z0-9]{2,4}/.test(document.cartoon.vriend_2.value))){
	alert("Friend 2, this is not a valid e-mail address, please correct this all in lower case.");
}else{
if ((document.cartoon.vriend_3.value != "") && (!/[a-z0-9_.-]+\@[a-z0-9-]{2,}\.+[a-z0-9]{2,4}/.test(document.cartoon.vriend_3.value))){
	alert("Friend 3, this is not a valid e-mail address, please correct this all in lower case.");
}else{
if ((document.cartoon.vriend_4.value != "") && (!/[a-z0-9_.-]+\@[a-z0-9-]{2,}\.+[a-z0-9]{2,4}/.test(document.cartoon.vriend_4.value))){
	alert("Friend 4, this is not a valid e-mail address, please correct this all in lower case.");
}else{
if ((document.cartoon.vriend_5.value != "") && (!/[a-z0-9_.-]+\@[a-z0-9-]{2,}\.+[a-z0-9]{2,4}/.test(document.cartoon.vriend_5.value))){
	alert("Friend 5, this is not a valid e-mail address, please correct this all in lower case.");
}else{
if (document.cartoon.cartoon[0].checked == false && document.cartoon.cartoon[1].checked == false){
alert("Please pick a cartoon you want to send to your friend");
}else{
document.cartoon.submit();
}}}}}}}}
}
//-->