Checkbox is checked and textbox field become readonly

[Kartik]

I want to put functionality like when Checkbox is checked and textbox field become readonly. Please give me solution for this.


function plan_min_unlimited(container, options)
{
    $('<input type="checkbox" name="' + options.field + '" onclick="chkclickmin(this.value)"/>').appendTo(container)
}
function chkclickmin(val){
    alert(val);               
    alert($('#grid').data('kendoGrid').tbody.select("plan_minutes"));
    $('#grid').data('kendoGrid').tbody.find("plan_minutes"). Editable(false);
    
}
$("#grid").kendoGrid({
            dataSource: dataSource,
            pageable: true,
            height:"583px",
            
            toolbar: [{name:"create",text:"Add new Plan"}],
            columns: [                
                           
                {field:"plan_min_chk",title:"<strong>UnlimitedPlan</strong>",hidden:true,editor: plan_min_unlimited},                
                {field:"plan_minutes", title:"<strong>Plan Minutes</strong>",width:"100px"},
                {command: ["edit", "destroy"], title: "&nbsp;", width: "210px",title:"<strong>Action</strong>" }],     
            groupable:true,
            editable: {
                mode: "popup",             
                destroy: true,             
                confirmation: "Are you sure you want to remove this test member?"
            }