function add_town(town_id,town_name) {
	remove_town(town_id,town_name);
	var sel_list = document.getElementById("town_sel").innerHTML;
	sel_list=sel_list.replace("undefined", "");
	var a_town="<input id=\"Town[]\" name=\"Town[]\" value=\""+town_id+"\" type=\"hidden\">";
	var r_town="<a href=\"javascript:remove_town("+town_id+",'"+town_name+"');\">"+town_name+"</a>,&nbsp; ";
	document.getElementById("town_sel").innerHTML=sel_list+a_town+r_town;
} 
function remove_town(town_id,town_name) {
	var sel_list = document.getElementById("town_sel").innerHTML;
	sel_list=sel_list.replace("<INPUT id=Town[] value="+town_id+" type=hidden name=Town[]>","");
	sel_list=sel_list.replace("<A href=\"javascript:remove_town("+town_id+",'"+town_name+"');\">"+town_name+"</A>,&nbsp; ","");
	sel_list=sel_list.replace("<input id=\"Town[]\" name=\"Town[]\" value=\""+town_id+"\" type=\"hidden\">","");
	sel_list=sel_list.replace("<a href=\"javascript:remove_town("+town_id+",'"+town_name+"');\">"+town_name+"</a>,&nbsp; ","");
	sel_list=sel_list.replace("undefined", "");
	document.getElementById("town_sel").innerHTML=sel_list;
}
function valid() {
	var town = document.getElementById("search_town_name").value;
	get_town_map('counties_map',town,'Vermont');
}
function clr_tn() {
	document.getElementById("search_town_name").value="";
}

function submitViaEnter(evt) {
    evt = (evt) ? evt : event;
    var target = (evt.target) ? evt.target : evt.srcElement;
    var form = target.form;
    var charCode = (evt.charCode) ? evt.charCode :
        ((evt.which) ? evt.which : evt.keyCode);
    if (charCode == 13) {
  	valid();
    }
    return true;
}