function GotoListPage(Index){
    var txtPageIndex = document.getElementById("txtPageIndex" + Index);
    if(txtPageIndex.value == ""){
        txtPageIndex.focus();
        alert("Please input the page number.");
        return;
    }
    if(isNaN(txtPageIndex.value)){
        txtPageIndex.focus();
        alert("The page number must be number.");
        return;
    }
    var HiddenCurrentPageCount = document.getElementById("HiddenCurrentPageCount" + Index);
    if(parseInt(txtPageIndex.value) > parseInt(HiddenCurrentPageCount.value)){
        txtPageIndex.focus();
        alert("The page must be less than " + (parseInt(HiddenCurrentPageCount.value) + 1) + ".");
        return;
    }
    var HiddenPageUrl = document.getElementById("HiddenPageUrl" + Index);
    location.href = HiddenPageUrl.value + txtPageIndex.value + ".aspx";
}

function FilterProductListPageIndex(Object){
    if(window.event.keyCode == 13){
        document.getElementById(Object).click();
    }
    if(!((window.event.keyCode >= 48) && (window.event.keyCode <= 57))){
        window.event.keyCode = 0 ;
    }
}