function trim(value){
	return value.replace(/^\s+/,'').replace(/\s+$/,'');
}

function validate(thisform){
	with(thisform){
		name.value=trim(name.value)
		company.value=trim(company.value)
		e_mail_address.value=trim(e_mail_address.value)
		tel_mobile.value=trim(tel_mobile.value)
		your_message.value=trim(your_message.value)
		if(your_message.value!=null&&your_message.value!="")return true
		name.focus()
	}
	alert("Een of meerdere vereiste velden zijn leeg of zijn ongeldig ingevuld.")
	return false
}