function js_formsubmit(obj) {
	
	arr_errors = new Array();
	
	obj_field = obj.name_absender;
	obj_field.value = js_trim(obj_field.value);
	obj_label = document.getElementById('label_name_absender');
	if (!obj_field.value.length>0){
		arr_errors.push('Bitte geben Sie Ihren Namen ein!')
		obj_label.className = 'error';
		obj_field.className = 'error';
	}
	else {
		obj_label.className = '';
		obj_field.className = '';
	}
	
	obj_field = obj.email_absender;
	obj_field.value = js_trim(obj_field.value);
	obj_label = document.getElementById('label_email_absender');
	if (!obj_field.value.length>0){
		arr_errors.push('Bitte geben Sie Ihre Emailadresse ein!')
		obj_label.className = 'error';
		obj_field.className = 'error';
	}
	else {
		if (!js_checkEmail(obj_field.value)){
			arr_errors.push('Bitte geben Sie Ihre Emailadresse korrekt ein!')
			obj_label.className = 'error';
			obj_field.className = 'error';
		}
		else{
			obj_label.className = '';
			obj_field.className = '';
		}
	}
	
	obj_field = obj.name_empfaenger;
	obj_field.value = js_trim(obj_field.value);
	obj_label = document.getElementById('label_name_empfaenger');
	if (!obj_field.value.length>0){
		arr_errors.push('Bitte geben Sie den Namen des Empfängers ein!')
		obj_label.className = 'error';
		obj_field.className = 'error';
	}
	else {
		obj_label.className = '';
		obj_field.className = '';
	}
	
	obj_field = obj.email_empfaenger;
	obj_field.value = js_trim(obj_field.value);
	obj_label = document.getElementById('label_email_empfaenger');
	if (!obj_field.value.length>0){
		arr_errors.push('Bitte geben Sie die Emailadresse des Empfängers ein!')
		obj_label.className = 'error';
		obj_field.className = 'error';
	}
	else {
		if (!js_checkEmail(obj_field.value)){
			arr_errors.push('Bitte geben Sie die Emailadresse des Empfängers korrekt ein!')
			obj_label.className = 'error';
			obj_field.className = 'error';
		}
		else{
			obj_label.className = '';
			obj_field.className = '';
		}
	}
	
	if (arr_errors.length>0){
		error_message = '';
		for (i=0;i<arr_errors.length;i++){
			error_message += arr_errors[i] + '\n';
		}
		alert(error_message);
		return false;
	}

	return true;
	
}