function GoForward()
{
    var currentPage=document.getElementById("CurrentPageHiddenField").value;
    currentPage++;
    document.getElementById("CurrentPageHiddenField").value=currentPage;
    
    if(document.getElementById("ChangePageButton")!=null)
    {
        document.getElementById("ChangePageButton").click();
    }
}

function GoBack()
{
    var currentPage=document.getElementById("CurrentPageHiddenField").value;
    if(currentPage>1)
    {
        currentPage--;
        document.getElementById("CurrentPageHiddenField").value=currentPage;
    }
    if(document.getElementById("ChangePageButton")!=null)
    {
        document.getElementById("ChangePageButton").click();
    }
    
}

function ChangePage(id)
{
    document.getElementById("CurrentPageHiddenField").value=id;
    
    if(document.getElementById("ChangePageButton")!=null)
    {
        document.getElementById("ChangePageButton").click();
    }  
}