orbit-4-1/app/assets/javascripts/inc/search.js

// JavaScript Document

// can copy code to any of ur desired javascsript 

//extended jquery to search fast.
$.extend($.expr[':'], {
    'containsi': function (elem, i, match, array) {
        return (elem.textContent || elem.innerText || '').toLowerCase().indexOf((match[3] || "").toLowerCase()) >= 0;
    }
});
var interval,sval;
$(document).ready(function(){
    $("#user_filter").keyup(function(e){
        if((e.which>96 && e.which<123) || (e.which>64 && e.which<92) || (e.which == 32) || (e.which == 8)){ 
            sval = $(this).val();
            $(".checkbox").popover("hide");
            $("div.checkblock").hide();
            clearInterval(interval);
            interval = setInterval(waitForSearch,1000);
        }
    })
})
var waitForSearch = function(){
    if(sval){
        var re1 = new RegExp("^[\u4E00-\uFA29]*$"); //Chinese character range 
        var re2 = new RegExp("^[\uE7C7-\uE7F3]*$");
        if ((re1.test(sval) && (re2.test(sval)))){

            var totalfoundbyname = $("div#users_checkbox_ary label.member-name:contains("+sval+")").length
            if(totalfoundbyname!=0){
                $("div#users_checkbox_ary label.member-name:contains("+sval+")").parent().parent().show();                
            }else if(totalfoundbyname==0){
                $("div#users_checkbox_ary div.for_unit:contains("+sval+")").parent().show();
            }
        }else{
            var totalfoundbyname = $("div#users_checkbox_ary label.member-name:containsi("+sval+")").length
            if(totalfoundbyname!=0){
                $("div#users_checkbox_ary label.member-name:containsi("+sval+")").parent().parent().show();                
            }else if(totalfoundbyname==0){
                $("div#users_checkbox_ary div.for_unit:containsi("+sval+")").parent().show();
            }
        }    
    }else{
        $(".checkbox").popover('hide');    
        $("div.checkblock").show();
    }
    clearInterval(interval);
}