///
/// $Id: nrlc_main.js,v 1.4 2009-02-12 10:02:26-07 chadwick Exp chadwick $
///
/// Copyright (c) 2008 All rights reserved.
///
/// THIS SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
/// KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
/// WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
/// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS
/// OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
/// OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
/// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
/// SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
///

function NRLC_adminOnload() {
	
	NRLC_doLockReadonlyFields();
	// alert( "loaded" );
	
} // NRLC_adminOnload


function NRLC_doFetchPage( n ) {
    var obj = document.getElementById( 'pagenum' );
    if ( obj != null ) {
        obj.value = n;
        document.forms['pgctl'].submit();
    }
} // NRLC_doFetchpage


//
// This function disables input fields that have the
// 'readonly' class specified.
//

function NRLC_doLockReadonlyFields() {

    var fields = null;

    fields = document.getElementsByTagName('select');
    for (var i = 0; i < fields.length; i++)
        if (fields[i].className.indexOf('readonly') > -1) {
            fields[i].disabled = true;
            //fields[i].style.backgroundColor = fields[i].parent.style.backgroundColor;
        }

    fields = document.getElementsByTagName('input');
	//alert( "Locking " + fields.length + " input fields" );
    for (var i = 0; i < fields.length; i++)
        if (fields[i].className.indexOf('readonly') >- 1) {
            fields[i].readOnly = true;
			fields[i].disabled = true;
            fields[i].style.backgroundColor = 'rgb(255,255,255)'; 
			fields[i].style.color = 'rgb(80,80,80)';
        }

    fields = document.getElementsByTagName('textarea');
    for (var i = 0; i < fields.length; i++)
        if (fields[i].className.indexOf('readonly') >- 1) {
            fields[i].readOnly = true;
            //fields[i].style.backgroundColor = fields[i].parent.style.backgroundColor;
        }
		
    return;

} // NRLC_doLockReadonlyFields


function unselect_all( opts ) {
    if ( !opts ) return;
	for(var i = 0; i < opts.length; i++) opts[i].selected = false;
	return;
} // unselect_all


function NRLC_searchReset( mode ) {
	
    var obj = null;
	
	if (obj = document.getElementById( 'kw' )) obj.value = '';
	if (obj = document.getElementById( 'cat' )) {
        unselect_all( obj.options );
	    obj.options[0].selected=true;
	}
	if (obj = document.getElementById( 'loc' )) {
	    unselect_all( obj.options );
	    obj.options[0].selected=true;
	}

    if ( mode == 'advanced' ) {
        // reset advanced search options
	    if (obj = document.getElementById( 'spec' )) {
	        unselect_all( obj.options );
		    obj.options[0].selected=true;
	    }
		if (obj = document.getElementById( 'sortby' )) {
		    obj.options[0].selected=true;
	    }
		if (obj = document.getElementById( 'sortby2' )) {
		    obj.options[0].selected=true;
	    }
		var i = 0;
		while( obj = document.getElementById( 'disp'+i ) ) {
			if ( ! obj.disabled ) obj.checked = false;
			i++;
		} // end while
	} // end if
	
	return true;
} // NRCL_searchReset