///  fading routines

function init() {
    RunSlideShow("imgdiv","banner","images/toplogo_r1.jpg;images/toplogo_r2.jpg;images/toplogo_r3.jpg;images/toplogo_r4.jpg",3);
}

function inithol(imgstr) {
    var str = new String(imgstr);
    for(x=0;x<=2;x++)
    {
        str = str.replace("z","../images/pages/");
        str = str.replace("-",".jpg;");
    }
    str = str.substr(0,str.length-1);
    RunSlideShow("cnrdivr","cnrimg",str.toString(),2); 
}

function changeOpac(opacity, id) 
{ 
    var object = document.getElementById(id).style; 
    object.opacity = (opacity / 100); 
    object.MozOpacity = (opacity / 100); 
    object.KhtmlOpacity = (opacity / 100); 
    object.filter = "alpha(opacity=" + opacity + ")"; 
} 

function blendimage(divid, imageid, imagefile, millisec) 
{ 
    var speed = Math.round(millisec / 10); 
    var timer = 0; 

    //set the current image as background 
    document.getElementById(divid).style.backgroundImage = "url(" + document.getElementById(imageid).src + ")"; 

    //make image transparent 
    changeOpac(0, imageid); 

    //make new image 
    document.getElementById(imageid).src = imagefile; 

    //fade in image 
    for(i = 0; i <= 100; i++) 
    { 
        setTimeout("changeOpac(" + i + ",'" + imageid + "')",(timer * speed)); 
        timer++; 
    } 
} 

var slideCache = new Array(); 

function RunSlideShow(divid,imageid,imageFiles,displaySecs) 
{ 
    var imageSeparator = imageFiles.indexOf(";"); 
    var nextImage = imageFiles.substring(0,imageSeparator); 

    changeOpac(0, imageid); 
    blendimage(divid,imageid,nextImage,80); 

    var futureImages= imageFiles.substring(imageSeparator+1,imageFiles.length)+ ';' + nextImage; 
    setTimeout("RunSlideShow('"+divid+"','"+imageid+"','"+futureImages+"',"+displaySecs+")",displaySecs*1000); 

    // Cache the next image to improve performance. 
    imageSeparator = futureImages.indexOf(";"); 
    nextImage = futureImages.substring(0,imageSeparator); 
    if (slideCache[nextImage] == null) 
    { 
        slideCache[nextImage] = new Image; 
        slideCache[nextImage].src = nextImage; 
    } 
}

// image galleries scripts

function launchslide(xmlfile)
{
    var fileroot = "http://www.therealperu.co.uk/images/galleryimgs/";
    var xmlroot = "http://www.therealperu.co.uk/galleries/";
    var tempfilename, imgdesc;
    var descnode, filenode;
    
    try //Internet Explorer
    {
        xmlDoc=new ActiveXObject("Microsoft.XMLDOM");
    }
    catch(e)
    {
        try //Firefox, Mozilla, Opera, etc.
        {
            xmlDoc=document.implementation.createDocument("","",null);
        }
        catch(e) {alert(e.message)}
    }
    
    try
    {
        xmlDoc.async=false;
        xmlDoc.load(xmlroot+xmlfile);
        //document.write("xmlDoc is loaded, ready for use:<br/>");
        var viewer = new PhotoViewer();
        viewer.setShadeOpacity(0.9);
        viewer.setSlideDuration(3000);
        viewer.enableAutoPlay();
        viewer.setFontSize(12);
        viewer.disablePhotoLink(); 
        x = xmlDoc.documentElement.getElementsByTagName("img");
        for (i=0;i<x.length;i++)
        {
            descnode = x[i].getAttributeNode("desc");
            filenode = x[i].getAttributeNode("file");
            imgdesc = descnode.nodeValue
            tempfilename = fileroot + filenode.nodeValue
            viewer.add(tempfilename,imgdesc);
            
            //document.write(tempfilename + ": " + imgdesc + "<br/>");
        }
    }
    catch(e) {alert(e.message)}
    viewer.show(0);
}

function launchslide2(xmlfile)
{
    var fileroot = "http://www.therealperu.co.uk/images/galleryimgs/";
    var xmlroot = "http://www.therealperu.co.uk/galleries/";
    var tempfilename, imgdesc;
    var descnode, filenode;
    
    try //Internet Explorer
    {
        xmlDoc2=new ActiveXObject("Microsoft.XMLDOM");
    }
    catch(e)
    {
        try //Firefox, Mozilla, Opera, etc.
        {
            xmlDoc2=document.implementation.createDocument("","",null);
        }
        catch(e) {alert(e.message)}
    }
    
    try
    {
        xmlDoc2.async=false;
        xmlDoc2.load(xmlroot+xmlfile);
        //document.write("xmlDoc2 is loaded, ready for use:<br/>");
        var viewer2 = new PhotoViewer();
        viewer2.setShadeOpacity(0.9);
        viewer2.setSlideDuration(3000);
        viewer2.enableAutoPlay();
        viewer2.setFontSize(12);
        viewer2.disablePhotoLink(); 
        x = xmlDoc2.documentElement.getElementsByTagName("img");
        for (i=0;i<x.length;i++)
        {
            descnode = x[i].getAttributeNode("desc");
            filenode = x[i].getAttributeNode("file");
            imgdesc = descnode.nodeValue
            tempfilename = fileroot + filenode.nodeValue
            viewer2.add(tempfilename,imgdesc);
            
            //document.write(tempfilename + ": " + imgdesc + "<br/>");
        }
    }
    catch(e) {alert(e.message)}
    viewer2.show(0);
}