//preload images
var aryImages = new Array(2);

aryImages[0] = "/images/icons/filter_public.gif";
aryImages[1] = "/images/icons/userpicker_disabled.gif";

for (i=0; i < aryImages.length; i++) {
  var preload = new Image();
  preload.src = aryImages[i];
}

//set up arrays
var reporterSelects = new Array();

        reporterSelects[reporterSelects.length] = new Array("","select.list.none");

        reporterSelects[reporterSelects.length] = new Array("issue_no_reporter","select.list.none");

        reporterSelects[reporterSelects.length] = new Array("issue_current_user","select.list.none");

        reporterSelects[reporterSelects.length] = new Array("specificuser","select.list.user");

        reporterSelects[reporterSelects.length] = new Array("specificgroup","select.list.group");


var assigneeSelects = new Array();

        assigneeSelects[assigneeSelects.length] = new Array("","select.list.none");

        assigneeSelects[assigneeSelects.length] = new Array("unassigned","select.list.none");

        assigneeSelects[assigneeSelects.length] = new Array("issue_current_user","select.list.none");

        assigneeSelects[assigneeSelects.length] = new Array("specificuser","select.list.user");

        assigneeSelects[assigneeSelects.length] = new Array("specificgroup","select.list.group");


function processSelect(array, selectList, inputField)
{
    if (array[selectList.selectedIndex][1] == "select.list.none")
    {
        eval ("document.forms['filterform'].elements['" + inputField + "']").disabled = true;
    }
    else
    {
        eval ("document.forms['filterform'].elements['" + inputField + "']").disabled = false;
    }
}

function processSelectImage(array, selectList, inputField, imageName)
{
    processSelect(array, selectList, inputField);

    //Only show the image if the user is selectable
    if (array[selectList.selectedIndex][1] == "select.list.user")
    {
        document.images[imageName].src=aryImages[0];
        document.images[imageName].title="Select a user";
    }
    else
    {
        document.images[imageName].src=aryImages[1];
        document.images[imageName].title="User picker only available for 'Specify User'";
    }
}