/* __________________________________________________________________ */
/* $Id: search.js 15149 2008-04-15 07:25:15Z dat $ */


// initialization
var currentInput = oldInput= '';
var currentPage = oldPage = 1;
var currentEpp = oldEpp = '';


// the waiting interval of the ajax requests
var THROTTLE_PERIOD = 250; 


function changeSearchTerm(  )
{    
  
     currentInput = $( '#search_term' ).attr( 'value' );
 
}



function switchPage( page ){

    currentPage = page;

}

function changeResultsPerPage( ) {

    currentEpp = $( '#epp' ).val();
    currentPage = 1; 
}


function loopSearch( )
{
    

    if( (oldInput != currentInput) || (oldPage != currentPage) 
         || (oldEpp != currentEpp) )
    {

        if( typeof currentInput != 'undefined' )
        {
            params.search_term = currentInput;

        }else{

            params.search_term = '';
        }
        
        xparams.page = currentPage;
        xparams.epp  = currentEpp;
        
        var myCallback = function(o) {
        
            gbl.handler = "?";
            $_('main').innerHTML = o.responseText;
       
        }
        // update the "old" values 
        oldInput = currentInput;
        oldPage  = currentPage;
        oldEpp   = currentEpp;
        
        gbl.handler = "/search/" ; 
        
        SENTEL.util.sendRequest( 'get_results', myCallback );                                                                                                                       
        
    }
    

    //THROTTLE_PERIOD determines the loop period (period of AJAX requests)
    setTimeout( 'loopSearch( );', THROTTLE_PERIOD );
                                                 
}

setTimeout( 'loopSearch( );', THROTTLE_PERIOD );