var regexp = / /g;
function verzenden(){
	if(document.forms['form1'].field91.value.replace(regexp,"") == ""){
		alert('Voer alstublieft uw organisatie in.');
		document.forms['form1'].field91.focus();
		return false;
	}
	if(document.forms['form1'].field94.value.replace(regexp,"") == ""){
		alert('Voer alstublieft uw achternaam in.');
		document.forms['form1'].field94.focus();
		return false;
	}
	if(document.forms['form1'].field95.value.replace(regexp,"") == ""){
		alert('Voer alstublieft uw e-mailadres in.');
		document.forms['form1'].field95.focus();
		return false;
	}
	if(document.forms['form1'].field95.value.search(/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/) == -1){
		alert('U heeft een ongeldig e-mailadres ingevuld.');
		document.forms['form1'].field95.focus();
		return false;
	}
	if(document.forms['form1'].field96.value.replace(regexp,"") == ""){
		alert('Voer alstublieft uw telefoonnummer in.');
		document.forms['form1'].field96.focus();
		return false;
	}
	if(document.forms['form1'].field99.checked == true){
		document.forms['form1'].next.value = "http://www.amazing.nl/nieuwsbrief.asp?g=" + document.forms['form1'].field92.value.replace(regexp,"") + "&a=" + document.forms['form1'].field94.value.replace(regexp,"") + "&e=" + document.forms['form1'].field95.value.replace(regexp,"");
	}
	document.forms['form1'].submit();
}