function clear_field(field_id){
	var field = document.getElementById(field_id);
	var lastname = 'Lastname';
	var mid = 'Member ID';
	var msearch = 'Enter keyword';
	var idsearch = 'Enter ID';

	//default wert wegmachen
	if (field.value == lastname || field.value == mid || field.value == msearch || field.value == idsearch){
		field.value = '';
	}else if(field.value == ''){//default wert schreiben
		if(field_id == 'lastname')
			field.value = lastname;
		else if(field_id == 'member_id')
			field.value = mid;
		else if (field_id == 'msearch')
			field.value = msearch;
		else if (field_id == 'idsearch')
			field.value = idsearch;
	}
}



function submit_login(form_name,lastname_id, mid_id){
	/* default werte rauslöschen vorm submit*/

	var lastname = 'Lastname';
	var mid = 'Member ID';
	var lastname_field = document.getElementById(lastname_id);
	var mid_field = document.getElementById(mid_id);

	if(lastname_field.value == lastname)
		lastname_field.value = '';

	if(mid_field.value == mid)
		mid_field.value = '';

	document.getElementById(form_name).submit();

}


// ADMIN FUNCTIONS

function are_you_sure(box_id){
	var box = document.getElementById(box_id);
	if (box.checked == true){
		alert('Please note that there is no way to un-delete a member!');
	}
}

function toggle_login(){
	var member_type = document.getElementById('member_type');
	var login_data = document.getElementById('login_data');
	var pwd_data = document.getElementById('pwd_data');
	if(member_type.value == "industry"){
		login_data.style.display = 'table-row';
		pwd_data.style.display = 'table-row';
	} else{
		login_data.style.display = 'none';
		pwd_data.style.display = 'none';
	}


}