function listInsert()
{
	var insert = document.forms['text_form'].elements['text_form_content'];
	var list = "";
	var listitem = " ";
	var pos = 0;
	
	list = "[list]";
	
	while(listitem != "")
	{ 
		listitem = prompt("Listenpunkt:", "");
		if(listitem != "")
		{
			list = list + "[*]" + listitem;	
		}
	}
	
	list = list + "[/list]";
	pos = insert.value.length;
	insert.value = insert.value.substr(0, pos) + list + insert.value.substr(pos);
}