var dcRollSerial = 0;

function dcRollOver()
{
    var htmlStr, href, imgDefault, imgOver, target, duration;
    var args = dcRollOver.arguments;

    href                   = args[0];
    imgDefault             = args[1];
    if(args[2] != "" && args[2]) imgOver    = args[2];
    else        imgOver    = "";
    if(args[3] != "" && args[3]) duration   = args[3];
    else        duration   = "0";
    if(args[4] != "" && args[4]) target     = args[4];
    else        target     = "";

    if(imgOver == "")
    {
        htmlStr  = "";
        htmlStr += "<a href=\""+href+"\" target=\""+target+"\">";
        htmlStr += "<img name=\"dcRoll_"+dcRollSerial+"\" border=\"0\" src=\""+imgDefault+"\"></a>";
    }else
    {
        htmlStr  = "";
        htmlStr += "<a href=\""+href+"\" ";
        htmlStr += "onMouseOver=\"dcRollGroup('over','dcRoll_"+dcRollSerial+"','"+imgOver+"','',1)\" ";
        htmlStr += "onMouseOut=\"dcRollGroup('out')\" target=\""+target+"\">";
        htmlStr += "<img name=\"dcRoll_"+dcRollSerial+"\" border=\"0\" src=\""+imgDefault+"\" ";
        htmlStr += "onLoad=\"dcPreLoad('"+imgOver+"')\" style=\"filter:blendTrans(duration="+duration+")\"></a>";
    }
    document.write(htmlStr);
    dcRollSerial++;
}

function dcRollFindObj(n, d)
{
    var p,i,x;
  
    if (!d) d=document;
    if ((p=n.indexOf("?"))>0&&parent.frames.length)
    {
      	d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);
    }

    if (!(x=d[n])&&d.all) x=d.all[n];
    for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
    for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=dcRollFindObj(n,d.layers[i].document);
    if (!x && d.getElementById) x=d.getElementById(n);
    return x;
}

function dcRollGroup(event, grpName)
{
    var i,img,nbArr,args=dcRollGroup.arguments;
    if (event == "init" && args.length > 2)
    {
        if ((img = dcRollFindObj(args[2])) != null && !img.MM_init)
        {
            img.MM_init = true; img.MM_up = args[3]; img.MM_dn = img.src;
            if ((nbArr = document[grpName]) == null) nbArr = document[grpName] = new Array();
            nbArr[nbArr.length] = img;
            for (i=4; i < args.length-1; i+=2) if ((img = dcRollFindObj(args[i])) != null)
            {
                if (!img.MM_up) img.MM_up = img.src;
                img.src = img.MM_dn = args[i+1];
                nbArr[nbArr.length] = img;
            }
        }
    }else if(event == "over")
    {
        document.MM_nbOver = nbArr = new Array();
        for (i=1; i < args.length-1; i+=3) if ((img = dcRollFindObj(args[i])) != null)
        {
            if (!img.MM_up) img.MM_up = img.src;
            if (isNetscape) img.src = (img.MM_dn && args[i+2]) ? args[i+2] : args[i+1];
            else
            {
                eval(args[1]+'.filters.blendTrans.stop();');
                eval(args[1]+'.filters.blendTrans.Apply();');
                img.src = (img.MM_dn && args[i+2]) ? args[i+2] : args[i+1];
                eval(args[1]+'.filters.blendTrans.Play();');
            }
            nbArr[nbArr.length] = img;
        }
    }else if (event == "out" )
    {
        for (i=0; i < document.MM_nbOver.length; i++)
        {
          img = document.MM_nbOver[i]; img.src = (img.MM_dn) ? img.MM_dn : img.MM_up;
        }
    } else if (event == "down")
    {
        if ((nbArr = document[grpName]) != null)
        {
              for (i=0; i < nbArr.length; i++) { img=nbArr[i]; img.src = img.MM_up; img.MM_dn = 0; }
        }
        document[grpName] = nbArr = new Array();

        for (i=2; i < args.length-1; i+=2)
        {
        }
        if ((img = dcRollFindObj(args[i])) != null)
        {
            if (!img.MM_up) img.MM_up = img.src;
            img.src = img.MM_dn = args[i+1];
            nbArr[nbArr.length] = img;
        }
    } 
}

function dcRollSwapRestore()
{
    var i,x,a=document.MM_sr;
    for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++)
    {
      	x.src=x.oSrc;
    }
}


function dcSwapImage()
{
    var i,j=0,x,a=scSwapImage.arguments;
    document.MM_sr=new Array;
  
    for(i=0;i<(a.length-2);i+=3)
    {
        if ((x=dcRollFindObj(a[i]))!=null)
        {
            document.MM_sr[j++]=x;
            if (!x.oSrc) x.oSrc=x.src;
            if (isNetscape) x.src=a[i+2];
            else
            {
                eval(a[0]+'.filters.blendTrans.stop();');
                eval(a[0]+'.filters.blendTrans.Apply();');
                x.src=a[i+2];
                eval(a[0]+'.filters.blendTrans.Play();');
            }
        }
    }
}