// JavaScript Document
var prev_opened = null;
function menu__(e){
        var src = e.srcElement || e.originalTarget;
        var is_link = ( 'A' == src.tagName );
        if( src.tagName != 'LI' ){
            src = src.parentElement || src.parentNode;
        }

        if(src.tagName =='LI'){
            if( prev_opened ){
                prev_opened.className = ('show_child' == prev_opened.className) ? 'hide_child' : 'show_child';
            }
            prev_opened = src;
            src.className = ('show_child' == src.className) ? 'hide_child' : 'show_child';
        }
        return is_link;
        //return false;
}