listbox naar textarea

function imageAdd() {
	var list = document.frmPost.img_afbeelding;
	var image = list.options[list.selectedIndex].value;
	var field = document.frmPost.bericht;
	field.value += '[img='+ image +']';
	field.focus(); 
}

function imageAdd() {
	var list = document.frmPost.img_afbeelding;
	var image = list.options[list.selectedIndex].value;
	var field = document.frmPost.bericht;
	field.value += '[img='+ image +']';
	field.focus(); 
}