$(document).ready(function(){
    $('.item-select').change(function(){
        var selected = $(this).val();
        var col = $(this).attr('wi:col');
        
        if ( selected > 0 ) {
            selected --;
            for (i in compare_params[selected] ) {
                var idx = parseInt(i) + 1;
                $('.compare-td-' + col + '-' + idx).html( compare_params[selected][i] );
            }
        }
        else {
            $('.compare-td-' + col ).html(' ');
        }
        
        return true;
    });
    
    $('.item-select-1').change();
});