/*
 * head.js
 * This file is part of Entrans
 *
 * Copyright (C) 2005 Khader Abbeb N
 * Copyright (C) 2005 R.Vigneswaran 
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, 
 * Boston, MA 02111-1307, USA. 
 *
 */

// We keep here the state of the search box
searchIsDisabled = false;

function searchChange(e) {
    // Update search buttons status according to search box content.
    // Ignore empty or whitespace search term.
    var value = e.value.replace(/\s+/, '');
    if (value == '' || searchIsDisabled) { 
        searchSetDisabled(true);
    }
    else {
        searchSetDisabled(false);
    }
}

function searchSetDisabled(flag) {
    // Enable or disable search
    document.getElementById('fullsearch').disabled = flag;
    document.getElementById('titlesearch').disabled = flag;
}

function searchFocus(e) {
    // Update search input content on focus
    if (e.value == 'Search' && searchIsDisabled) {
        e.value = '';
        searchIsDisabled = false;
        e.style.color = 'black';
    }
}

function searchBlur(e) {
    // Update search input content on blur
    if (e.value == '') {
        e.value = 'Search';
        e.style.color = 'gray';
        searchIsDisabled = true;
    }
}

function subLookup(windowname){
    // Popup the Lookup window
    if (! window.focus)return true;
    var query 	= escape(document.searchform.query.value);
    var href 	= "lookup.php?query_lookup="+query;
    window.open(href, windowname, 'width=450,height=330,top=200,left=300,resizable=yes,scrollbars=yes');
}
	
function actionsMenuInit(title) {
    // Initiliaze action menu
    for (i = 0; i < document.forms.length; i++) {
        var form = document.forms[i];
        if (form.className == 'actionsmenu') {
            // Check if this form needs update
            var div = form.getElementsByTagName('div')[0];
            var label = div.getElementsByTagName('label')[0];
            if (label) {
                // This is the first time: remove label and do buton.
                div.removeChild(label);
                var dobutton = div.getElementsByTagName('input')[0];
                div.removeChild(dobutton);
                // and add menu title
                var select = div.getElementsByTagName('select')[0];
                var item = document.createElement('option');
                item.appendChild(document.createTextNode(title));
                item.value = 'show';
                select.insertBefore(item, select.options[0]);
                select.selectedIndex = 0;
            }
        }
    }
}