function alertMe(someva) {
    alert(someva);
}

function newwindow(url) {
    window.open(url, '_blank', 'menubar=no,scrollbars=yes')
}

Sys.WebForms.PageRequestManager.getInstance().add_beginRequest(beginRequest);
Sys.WebForms.PageRequestManager.getInstance().add_endRequest(endRequest);

function beginRequest() {

    // show the popup
    $find('MainContent_mdlPopup').show();
}

function endRequest(sender, args) {
    $find('MainContent_mdlPopup').hide();
}
function eval_additem2(additemid) {
    if (document.getElementById("checkbox" + additemid).checked == true) {
        holdcart = document.getElementById("MainContent_FormView1_Selectedleeds").value;
        document.getElementById("MainContent_FormView1_Selectedleeds").value = holdcart + "S" + additemid + "E";
    } else {
        alert("2");
        var holdcart = document.getElementById("MainContent_FormView1_Selectedleeds").value;
        var result = holdcart.replace("S" + additemid + "E", "");
        document.getElementById("MainContent_FormView1_Selectedleeds").value = result;
    }
}