// Prelevato ed illustrato su http://www.web-link.it
// CREDITS:
// Image Scroller 2.03 with double-fade effect
// By Peter Gehrig
// Copyright (c) 2003 Peter Gehrig. All rights reserved.
// Permission given to use the script provided that this notice remains as is.
// Additional scripts can be found at http://www.24fun.com
// info@24fun.com
// 9/6/2002

// IMPORTANT:
// If you add this script to a script-library or script-archive
// you have to add a highly visible link to
// http://www.24fun.com on the webpage
// where this script will be featured

// URLs of slides
var slideurl=new Array("immagini/scroll1.jpg","immagini/scroll2.jpg","immagini/scroll8.jpg","immagini/scroll3.jpg",
"immagini/scroll11.jpg","immagini/scroll9.jpg","immagini/scroll4.jpg","immagini/scroll5.jpg","immagini/scroll6.jpg",
"immagini/scroll7.jpg","immagini/scroll10.jpg")

// comments displayed below the slides
var slidecomment=new Array("","","","","","","","","","","")

// links for each slide
var slidelink=new
Array("http://www.caicalalzo.it/pagine/galleriafot.html","http://www.caicalalzo.it/pagine/galleriafot.html","http://www.caicalalzo.it/pagine/galleriafot.html",
"http://www.caicalalzo.it/pagine/galleriafot.html","http://www.caicalalzo.it/pagine/galleriafot.html","http://www.caicalalzo.it/pagine/galleriafot.html",
"http://www.caicalalzo.it/pagine/galleriafot.html","http://www.caicalalzo.it/pagine/galleriafot.html","http://www.caicalalzo.it/pagine/galleriafot.html",
"http://www.caicalalzo.it/pagine/galleriafot.html","http://www.caicalalzo.it/pagine/galleriafot.html")

// targets of the links. Allowed values: "_parent", "_top", "_blank", "_self"
var slidetarget=new Array("_blank","_blank","_blank","_blank")

// the width of the slideshow (pixels)
var scrollerwidth=755

// the height of the slideshow (pixels)
var scrollerheight=130

// width of the transparent zones (pixels)
var translayerszone=25

// font-attributes for the comments
var slidefont="Arial"
var slidefontcolor="white"
var slidefontsize="2"

// background-color of webpage 
var pagebgcolor="#FFFFFF"

// do not edit below this line
var translayerswidth=1
var translayersmax=Math.floor(translayerszone/translayerswidth)
var translayersleftpos=0
var translayersopacity=100
var translayersfactor=100/translayersmax
var translayerswidthall=translayersmax*translayerswidth
var allpicturewidth
var distancepictopic=0
var scrollerleft=0
var scrollertop=0
var pause=20
var step=2
var newstep=step
var clipleft,clipright,cliptop,clipbottom
var i_picture=0
var timer
var picturecontent=""
var ns4=document.layers?1:0
var ns6=document.getElementById&&!document.all?1:0 
var ie=document.all?1:0
var browserinfos=navigator.userAgent 
var opera=browserinfos.match(/Opera/)  

var preloadedimages=new Array()
for (i=0;i<slideurl.length;i++){
    preloadedimages[i]=new Image()
    preloadedimages[i].src=slideurl[i]
}

function init() {
    if (ie) {
        allpicturewidth=document.all.picturediv.offsetWidth
        document.all.picturediv.style.posTop=scrollertop
        document.all.picturediv.style.posLeft=scrollerleft+scrollerwidth
        clipleft=0
        clipright=0
        cliptop=0
        clipbottom=scrollerheight
        document.all.picturediv.style.clip ="rect("+cliptop+" "+clipright+" "+clipbottom+" "+clipleft+")"
        document.all.picturediv.style.visibility="visible"
        scrollpicture()
        
    }
    if (ns6) {
        allpicturewidth=document.getElementById('emptypicturediv').offsetWidth
        document.getElementById('picturediv').style.top=scrollertop
        document.getElementById('picturediv').style.left=scrollerleft+scrollerwidth
        clipleft=0
        clipright=0
        cliptop=0
        clipbottom=scrollerheight
        document.getElementById('picturediv').style.clip ="rect("+cliptop+" "+clipright+" "+clipbottom+" "+clipleft+")"
        document.getElementById('picturediv').style.visibility="visible"
        scrollpicture()  
    }
    if (ns4) {
        allpicturewidth=document.roof.document.picturediv.document.width
        document.roof.document.picturediv.top=scrollertop
        document.roof.document.picturediv.left=scrollerleft+scrollerwidth
        document.roof.document.picturediv.clip.left=0
        document.roof.document.picturediv.clip.right=0
        document.roof.document.picturediv.clip.top=0
        document.roof.document.picturediv.clip.bottom=scrollerheight
        document.roof.document.picturediv.visibility="visible"
        scrollpicture()
    }
}

function scrollpicture() {
    if (ie) {
        if (document.all.picturediv.style.posLeft>=scrollerleft-allpicturewidth) {
            document.all.picturediv.style.posLeft-=step
            clipright+=step
            if (clipright>scrollerwidth) {
                clipleft+=step
            }
            document.all.picturediv.style.clip ="rect("+cliptop+" "+clipright+" "+clipbottom+" "+clipleft+")"       
            var timer=setTimeout("scrollpicture()",pause)
        }
        else {
            resetposition()
        }
    }
    if (ns6) {
        if (parseInt(document.getElementById('picturediv').style.left)>=scrollerleft-allpicturewidth) {
    document.getElementById('picturediv').style.left=parseInt(document.getElementById('picturediv').style.left)-step
            clipright+=step
            if (clipright>scrollerwidth) {
                clipleft+=step
            }
            document.getElementById('picturediv').style.clip ="rect("+cliptop+" "+clipright+" "+clipbottom+" "+clipleft+")"     
            var timer=setTimeout("scrollpicture()",pause)
        }
        else {
            resetposition()
        }
    }
   if (ns4) {
        if (document.roof.document.picturediv.left>=scrollerleft-allpicturewidth) {
            document.roof.document.picturediv.left-=step
            document.roof.document.picturediv.clip.right+=step
            if (document.roof.document.picturediv.clip.right>scrollerwidth) {
                document.roof.document.picturediv.clip.left+=step
            }
            var timer=setTimeout("scrollpicture()",pause)
        }
        else {
            resetposition()
        }
    }
}

function onmsover() {
    step=0
}
function onmsout() {
    step=newstep
}

function resetposition() {
    if (ie) {
        document.all.picturediv.style.posLeft=scrollerleft+scrollerwidth
        clipleft=0
        clipright=0
        document.all.picturediv.style.clip ="rect("+cliptop+" "+clipright+" "+clipbottom+" "+clipleft+")"
        scrollpicture()
    }
    if (ns6) {
        allpicturewidth=document.getElementById('emptypicturediv').offsetWidth
        document.getElementById('picturediv').style.left=scrollerleft+scrollerwidth
        clipleft=0
        clipright=0
        document.getElementById('picturediv').style.clip ="rect("+cliptop+" "+clipright+" "+clipbottom+" "+clipleft+")"
        scrollpicture()
    }
    if (ns4) {
        document.roof.document.picturediv.left=scrollerleft+scrollerwidth
        document.roof.document.picturediv.clip.left=0
        document.roof.document.picturediv.clip.right=0
        scrollpicture()
    }
}

picturecontent=""
picturecontent+="<table cellpadding=2 cellspacing=0>"
picturecontent+="<tr>"
for (i=0;i<=slideurl.length-1;i++) {
    picturecontent+="<td>"
    picturecontent+="<a href=\""+slidelink[i]+"\" target=\""+slidetarget[i]+"\" onMouseOver=\"javascript:onmsover()\" onMouseOut=\"javascript:onmsout()\">"
    picturecontent+="<img src=\""+slideurl[i]+"\" border=0></a>"
    picturecontent+="</td>"
}
picturecontent+="</tr>"
picturecontent+="<tr>"
for (i=0;i<=slideurl.length-1;i++) {
    picturecontent+="<td>"
    picturecontent+="<font face=\""+slidefont+"\" color=\""+slidefontcolor+"\" size="+slidefontsize+">"
    picturecontent+=slidecomment[i]
    picturecontent+="</font>"
    picturecontent+="</td>"
}
picturecontent+="</tr>"
picturecontent+="</tr></table>"

if (ie || ns6) {
    document.write('<div style="position:relative;width:'+scrollerwidth+'px;height:'+scrollerheight+'px;overflow:hidden">')
    document.write('<div id="picturediv" style="position:absolute;top:0px;left:0px;height:'+scrollerheight+'px;visibility:hidden">'+picturecontent+'</div>')
    if (ie && !opera) {
        for (i=0;i<=translayersmax;i++) {
        document.write('<span ID="trans'+i+'" style="position:absolute;top:0px;left:'+translayersleftpos+'px;width:'+translayerswidth+'px;height:'+scrollerheight+'px;background-color:'+pagebgcolor+';filter:alpha(opacity='+translayersopacity+');overflow:hidden"> </span>')
        translayersleftpos+=translayerswidth
        translayersopacity-=translayersfactor
        }
        translayersleftpos=scrollerwidth-translayersleftpos
        for (ii=0;ii<=translayersmax;ii++) {
        document.write('<span ID="trans'+ii+'" style="position:absolute;top:0px;left:'+translayersleftpos+'px;width:'+translayerswidth+'px;height:'+scrollerheight+'px;background-color:'+pagebgcolor+';filter:alpha(opacity='+translayersopacity+');overflow:hidden"> </span>')
        translayersleftpos+=translayerswidth
        translayersopacity+=translayersfactor
        }
    }
    if (ns6 && !opera) {
        for (i=0;i<=translayersmax-1;i++) {
        document.write('<span ID="transleft'+i+'" style="position:absolute;top:0px;left:'+translayersleftpos+'px;width:'+translayerswidth+'px;height:'+scrollerheight+'px;background-color:'+pagebgcolor+';-moz-opacity:'+translayersopacity/100+';overflow:hidden"> </span>')
        translayersleftpos+=translayerswidth
        translayersopacity-=translayersfactor
        if (translayersopacity<0) {translayersopacity=0.001}
        }
        translayersleftpos=scrollerwidth-translayersleftpos
        translayersopacity=0.001
        for (i=0;i<=translayersmax-1;i++) {
        document.write('<span ID="transright'+i+'" style="position:absolute;top:0px;left:'+translayersleftpos+'px;width:'+translayerswidth+'px;height:'+scrollerheight+'px;background-color:'+pagebgcolor+';-moz-opacity:'+translayersopacity/100+';"> </span>')
        translayersleftpos+=translayerswidth
        translayersopacity+=translayersfactor
        }
    }
    document.write('</div>')
    document.write('<div id="emptypicturediv" style="position:absolute;top:0px;left:0px;height:'+scrollerheight+'px;visibility:hidden">'+picturecontent+'</div>')

    window.onload=init
}

if (ns4) {
    document.write('<ilayer name="roof" width='+scrollerwidth+' height='+scrollerheight+'>')
    document.write('<layer name="picturediv" width='+scrollerwidth+' height='+scrollerheight+' visibility=hide>'+picturecontent+'</layer>')
    document.write('</ilayer>')
    window.onload=init
}