function returnObjById(id)
{
    if (document.getElementById)
        var returnVar = document.getElementById(id);
    else if (document.all)
        var returnVar = document.all[id];
    else if (document.layers)
        var returnVar = document.layers[id];

    return returnVar;
}

function gotoPage(id, pageNumber) 
{
	var form = returnObjById(id);
	form.pageNumber.value = pageNumber;
	form.submit();
}