// Variables and functions associated with multi-page list navigation control

var mvendhover;
var mvendnormal;

var mvnexthover;
var mvnextnormal;

var mvstarthover;
var mvstartnormal;

var mvprevhover;
var mvprevnormal;

function loadListNavImages() {
    mvendhover = new Image();
    mvendnormal = new Image();

    mvnexthover = new Image();
    mvnextnormal = new Image();

    mvstarthover = new Image();
    mvstartnormal = new Image();

    mvprevhover = new Image();
    mvprevnormal = new Image();

    mvendhover.src = "images/MoveEndOn.gif";
    mvendnormal.src = "images/MoveEndOff.gif";

    mvnexthover.src = "images/MoveNextOn.gif";
    mvnextnormal.src = "images/MoveNextOff.gif";

    mvstarthover.src = "images/MoveStartOn.gif";
    mvstartnormal.src = "images/MoveStartOff.gif";

    mvprevhover.src = "images/MovePrevOn.gif";
    mvprevnormal.src = "images/MovePrevOff.gif";
}


//--------------------------------------------------------------------------------
/**
 * Resets ResultsPage form field variable prior to conducting a service order. Otherwise
 * search-page count will show last results page visted in perviousl search.
 */
function resetNavigation(formref) {
    formref.ResultsPage.value = 1;
    return true;
}

function moveToPage(formref, navcmd, gotopage) {
    var currentpage = parseInt(formref.ResultsPage.value);
    var totalpages = parseInt(formref.TotalResultsPages.value);

    if (isNaN(currentpage) || isNaN(totalpages) || !(gotopage >= 1 && gotopage <= totalpages)) {
        alert("Please enter a page number between 1 and " + totalpages);
        formref.NavigableListInput.value = currentpage;
    } else {
        if (gotopage != currentpage) {
            formref.CommandKey.value = navcmd;
            formref.ResultsPage.value = gotopage;
            formref.submit();
        }
    }
}