javascript search field + check box

hy guys,
I'm relatively new to javascript so I would need some help if you could.
I'm creating some web aplication for one company storage management and I made it to log everything that anyone does on the page, so I have 7 tipes of logs (sales-prodaja, article entry- unos artikala, article editing-izmjena artikala, article deleting-brisanje artikala, worker entry- unos radnika, worker editing-izmjena radnika, worker deleting-brisanje radnika). I made a table where all the logs are shown, and above the logs are check boxes to check wich log would the boss want to see, there is a filter field to if he would like to search for something specific. The check box alone works fine and the filter field too, but when a hide some records with checkbox (for example, I uncech sales checkbox and then its not shown), and then enter a word that I have in sales record the records showes. So waht I would like is when some logs are hidden with checkbox option, and something is entered in filter field I would like to filter just shown logs not hidden too.

picture:
http://img204.imageshack.us/img204/6722/picwcn.jpg

here is the code:
check box:

Code:

---

function showHideProdaja()
        {
            if(document.getElementById('prodaja').checked)
            {
                                $("table tr[id='log']").show();
            }
            else
            {
                                $("table tr[id='log']").hide();
            }
        }


function showHideUnosArtikla()
        {
            if(document.getElementById('unosArtikla').checked)
            {
                                $("table tr[id='logUnosArtikla']").show();
            }
            else
            {
                                $("table tr[id='logUnosArtikla']").hide();
            }
        }


function showHideEditArtikala()
        {
            if(document.getElementById('izmjenaArtikala').checked)
            {
                                $("table tr[id='logEditArtikala']").show();
            }
            else
            {
                                $("table tr[id='logEditArtikala']").hide();
            }
        }


function showHideBrisanjeArtikala()
        {
            if(document.getElementById('brisanjeArtikala').checked)
            {
                                $("table tr[id='logBrisanjeArtikala']").show();
            }
            else
            {
                                $("table tr[id='logBrisanjeArtikala']").hide();
            }
        }
               

function showHideUnosRadnika()
        {
            if(document.getElementById('unosRadnika').checked)
            {
                                $("table tr[id='logUnosRadnika']").show();
            }
            else
            {
                                $("table tr[id='logUnosRadnika']").hide();
            }
        }


function showHideEditRadnika()
        {
            if(document.getElementById('izmjenaRadnika').checked)
            {
                $("table tr[id='logEditRadnika']").show();
            }
            else
            {
                                $("table tr[id='logEditRadnika']").hide();
            }
        }


function showHideBrisanjeRadnika()
        {
            if(document.getElementById('brisanjeRadnika').checked)
            {
                                $("table tr[id='logBrisanjeRadnika']").show();
            }
            else
            {
                                $("table tr[id='logBrisanjeRadnika']").hide();
            }
        }

---

filter field:

Code:

---

// When document is ready: this gets fired before body onload :)
$(document).ready(function(){
        // Write on keyup event of keyword input element
        $("#kwd_search").keyup(function(){
                // When value of the input is not blank
                if( $(this).val() != "")
                {
                        // Show only matching TR, hide rest of them
                        $("#my-table tbody>tr").hide();
                        $("#my-table td:contains-ci('" + $(this).val() + "')").parent("tr").show();
                }
                else
                {
                        // When there is no input or clean again, show everything back
                        $("#my-table tbody>tr").show();
                }
        });
});
// jQuery expression for case-insensitive filter
$.extend($.expr[":"],
{
    "contains-ci": function(elem, i, match, array)
        {
                return (elem.textContent || elem.innerText || $(elem).text() || "").toLowerCase().indexOf((match[3] || "").toLowerCase()) >= 0;
        }
});

---

i tried to do

Code:

---

// When document is ready: this gets fired before body onload :)
$(document).ready(function(){
        // Write on keyup event of keyword input element
        $("#kwd_search").keyup(function(){
                // When value of the input is not blank
                if( $(this).val() != "")
                {
                        // Show only matching TR, hide rest of them
                        $("#my-table tbody>tr").hide();
                        if(document.getElementById('someLogID').style.display!='none'){//NEW LINE
                        $("#my-table td:contains-ci('" + $(this).val() + "')").parent("tr").show();
                        }
                }
                else
                {
                        // When there is no input or clean again, show everything back
                        $("#my-table tbody>tr").show();
                }
        });
});
// jQuery expression for case-insensitive filter
$.extend($.expr[":"],
{
    "contains-ci": function(elem, i, match, array)
        {
                return (elem.textContent || elem.innerText || $(elem).text() || "").toLowerCase().indexOf((match[3] || "").toLowerCase()) >= 0;
        }
});

---

and other similar things but when I try to enter anaything in the filter then nothing shows soo....
If anyone coluld please help me I would apriciate it.