var krexpanded = 'Images/images/krblogd.gif';
var krcollapsed = 'Images/images/krblog.gif';
(new Image(15,15)).src = krexpanded; // caching
(new Image(15,15)).src = krcollapsed; // cachingy


function krExpand(htmlNode,imgNode) {
    
    if (document.getElementById && document.getElementById(htmlNode) != null) {
        document.getElementById(imgNode).src=krexpanded;
        document.getElementById(htmlNode).className='bloglistExpanded';
    }
}

function krCollapse(htmlNode,imgNode) {
    
    if (document.getElementById && document.getElementById(htmlNode) !=  null) {
        document.getElementById(imgNode).src=krcollapsed;
        document.getElementById(htmlNode).className='bloglistCollapsed';
    }
}

function krtoggleExpansionStatus(htmlNode,imgNode) {
    if (document.getElementById && document.getElementById(htmlNode) !=  null) {
        nodeState = document.getElementById(htmlNode).className;
    }
    if (nodeState == 'bloglistCollapsed') {
        krExpand(htmlNode,imgNode);
    }
    else {
        krCollapse(htmlNode,imgNode);
    }
}