function validateForm(){
	var this_form = document.contactus;
		
		if(isEmpty(this_form.name.value)|| !isName(this_form.name.value)){
		$('#namefield').addClass('error');
		return false
		}
		
		if(isEmpty(this_form.email.value) || !isEmail(this_form.email.value)){
		$('#emailfield').addClass('error');
		return false
		}
		
		if(isEmpty(this_form.email.value) || this_form.spamcheck.value != '7'){
		$('#spamcheck').addClass('error');
		return false
		}
		
		this_form.submit();
}