function preloadImageViews()
{
    document.arImages = new Array();
    
    var t = 0;
    var x = 0;
    var strID = "";

    for (var i = 0; i < preloadImageViews.arguments.length; i++) {
        if (preloadImageViews.arguments[i].indexOf("_th.") != -1)
        {
            t++;
            strID = "thumbnail" + t.toString();
            document.getElementById(strID).innerHTML = "<img src='" + preloadImageViews.arguments[i] + "' onmouseover=\"javascript:showImageView('" + t.toString() + "')\" >";
            //onmouseout='javascript:restoreImageView()' >";
        }
        else
        {
            document.arImages[x] = new Image;
            document.arImages[x].src = preloadImageViews.arguments[i];
            x++;
        }
   }
   // set initial image to first in array   
   document.getElementById("image_view").src = preloadImageViews.arguments[0];
}

function showImageView(imgNum)
{
    var i = imgNum - 1;
    document.getElementById("image_view").src = document.arImages[i].src;
}

function restoreImageView()
{
    document.getElementById("image_view").src = 'images/FHTlogo.jpg';
}