/**
 * @author pchahal
 */
var arrowStatus;

var imgExpand = new Image();
var imgCollapse = new Image();

imgExpand.src = "http://www.sybase.com/image/Buttons/tagcloud-down-arrow.gif";
imgCollapse.src = "http://www.sybase.com/image/Buttons/tagcloud-up-arrow.gif";
//imgBlank.src = "http://www.sybase.com/image/Buttons/tagcloud-up-blank.gif";

function swapHTML(id)
{
    document.getElementById("tag-cloud-content").innerHTML = document.getElementById("tag-cloud-" + id).innerHTML;
}

function swapImage(imagename, objectsrc)
{
    if (document.images) {
        document.images[imagename].src = eval(objectsrc + ".src");
    }
}

function switchTagCloud()
{
    if (arrowStatus == "collapse") {
        swapHTML("collapse");
        arrowStatus = "expand";
		document.images["tag-cloud-arrow"].src = imgExpand.src;
		document.getElementById('tag-cloud-arrow-top').style.display = 'none';
		//document.images["tag-cloud-arrow-top"].src = imgExpand.src;
    }
    else {
        swapHTML("expand");
        arrowStatus = "collapse";
		document.images["tag-cloud-arrow"].src = imgCollapse.src;
		document.getElementById('tag-cloud-arrow-top').style.display = '';
		//document.images["tag-cloud-arrow-top"].src = imgCollapse.src;
    }
}

function tagCloudInit()
{
    arrowStatus = "collapse";
    switchTagCloud();
}