function ChangeSelectByValue(ddlID, value, change) 
{
    var ddl = document.getElementById(ddlID);
    for (var i = 0; i < ddl.options.length; i++) {
        if (ddl.options[i].value == value) {
            if (ddl.selectedIndex != i) {
                ddl.selectedIndex = i;
                if (change)
                    ddl.onchange();
            }
            break;
        }
    }
}