how to disable the querystring value once the page has been loaded

Question

How to disable the querystring value once the value from is extracted

$(document).ready(function() {


    var page1 = Request.QueryString("page1");
    alert(page1);
    if (page1 == 1) {
    // i will execute my code here      
       ............
        ........
        .......
     }
else
{
$("#SearchButton").click(function() {

});
//
}