/**********************************************************************************************
* Conveyor belt slideshow script- © Dynamic Drive DHTML code library (www.dynamicdrive.com)
* This notice MUST stay intact for legal use
* Visit Dynamic Drive at http://www.dynamicdrive.com/ for full source code
*
* NOTA: modificat per que funcioni amb Zope i agafi les imatges d'una carpeta
***********************************************************************************************/

//CONFIGURACIÓ
//  imatges: a la pągina on volem el carrusel omplim el vector leftrightslide[] amb les imatges 
//  css:     a la pągina on volem el carrusel definim amplada, alēada, velocitat i color fons
var leftrightslide=new Array();
var finalslide='';
var el = document.getElementById("imatges");
var as = el.getElementsByTagName("input");

if (direccio == "der2izq") {
  for (var i=0; i<as.length; i++) {
    leftrightslide[i]='<img src='+as[i].value+' height="100">';
  }
    var copyspeed=slidespeed
    leftrightslide='<nobr>'+leftrightslide.join(imagegap)+'<\/nobr>'
    var iedom=document.all||document.getElementById
    if (iedom)
    document.write('<span id="temp" style="visibility:hidden;position:absolute;top:-100px;left:-9000px">'+leftrightslide+'<\/span>')
    var actualwidth=''
    var cross_slide, ns_slide
    
    function right2left(){
      if (iedom){
      cross_slide=document.getElementById? document.getElementById("test2") : document.all.test2
      cross_slide2=document.getElementById? document.getElementById("test3") : document.all.test3
      cross_slide.innerHTML=cross_slide2.innerHTML=leftrightslide
      actualwidth=document.all? cross_slide.offsetWidth : document.getElementById("temp").offsetWidth
      cross_slide2.style.left=actualwidth+slideshowgap+"px"
      }
      else if (document.layers){
      ns_slide=document.ns_slidemenu.document.ns_slidemenu2
      ns_slide2=document.ns_slidemenu.document.ns_slidemenu3
      ns_slide.document.write(leftrightslide)
      ns_slide.document.close()
      actualwidth=ns_slide.document.width
      ns_slide2.left=actualwidth+slideshowgap
      ns_slide2.document.write(leftrightslide)
      ns_slide2.document.close()
      }
      lefttime=setInterval("slideright2left()",30)
    }
    
    window.onload=right2left
    
    
    function slideright2left(){
      if (iedom){
        if (parseInt(cross_slide.style.left)>(actualwidth*(-1)+8))
        cross_slide.style.left=parseInt(cross_slide.style.left)-copyspeed+"px"
        else
        cross_slide.style.left=parseInt(cross_slide2.style.left)+actualwidth+slideshowgap+"px"
        
        if (parseInt(cross_slide2.style.left)>(actualwidth*(-1)+8))
        cross_slide2.style.left=parseInt(cross_slide2.style.left)-copyspeed+"px"
        else
        cross_slide2.style.left=parseInt(cross_slide.style.left)+actualwidth+slideshowgap+"px"
      
      }
      else if (document.layers){
        if (ns_slide.left>(actualwidth*(-1)+8))
        ns_slide.left-=copyspeed
        else
        ns_slide.left=ns_slide2.left+actualwidth+slideshowgap
        
        if (ns_slide2.left>(actualwidth*(-1)+8))
        ns_slide2.left-=copyspeed
        else
        ns_slide2.left=ns_slide.left+actualwidth+slideshowgap
      }
    }
    
    
    if (iedom||document.layers){
      with (document){
        if (iedom){
          write('<div style="position:relative;width:'+sliderwidth+';height:'+sliderheight+';overflow:hidden">')
          write(  '<div style="position:absolute;width:'+sliderwidth+';height:'+sliderheight+';background-color:'+slidebgcolor+'" onMouseover="copyspeed=0" onMouseout="copyspeed=slidespeed">')
          write(  '<div id="test2" style="position:absolute;left:0px;top:0px"><\/div>')
          write(  '<div id="test3" style="position:absolute;left:-1000px;top:0px"><\/div>')
          write('<\/div>')
        }
        else if (document.layers){
          write('<ilayer width='+sliderwidth+' height='+sliderheight+' name="ns_slidemenu" bgColor='+slidebgcolor+'>')
          write('<layer name="ns_slidemenu2" left=0 top=0 onMouseover="copyspeed=0" onMouseout="copyspeed=slidespeed"><\/layer>')
          write('<layer name="ns_slidemenu3" left=0 top=0 onMouseover="copyspeed=0" onMouseout="copyspeed=slidespeed"><\/layer>')
          write('<\/ilayer>')
        }
      }
    }
}

else if (direccio == "izq2der") {
  for (var i=0; i<as.length; i++) {
    leftrightslide[i]='<img src='+as[i].value+' height="100">';
  }
    var copyspeed=slidespeed
    leftrightslide='<nobr>'+leftrightslide.join(imagegap)+'<\/nobr>'
    var iedom=document.all||document.getElementById
    if (iedom)
    document.write('<span id="temp" style="visibility:hidden;position:absolute;top:-100px;left:-9000px">'+leftrightslide+'<\/span>')
    var actualwidth=''
    var cross_slide, ns_slide
    
    function left2right(){
      if (iedom){
      cross_slide=document.getElementById? document.getElementById("test2") : document.all.test2
      cross_slide2=document.getElementById? document.getElementById("test3") : document.all.test3
      cross_slide.innerHTML=cross_slide2.innerHTML=leftrightslide
      actualwidth=document.all? cross_slide.offsetWidth : document.getElementById("temp").offsetWidth
      cross_slide2.style.right=actualwidth+slideshowgap+"px"
      }
      else if (document.layers){
      ns_slide=document.ns_slidemenu.document.ns_slidemenu2
      ns_slide2=document.ns_slidemenu.document.ns_slidemenu3
      ns_slide.document.write(leftrightslide)
      ns_slide.document.close()
      actualwidth=ns_slide.document.width
      ns_slide2.right=actualwidth+slideshowgap
      ns_slide2.document.write(leftrightslide)
      ns_slide2.document.close()
      }
      righttime=setInterval("slideleft2right()",30)
    }
    
    window.onload=left2right
    
    
    function slideleft2right(){
      if (iedom){
      if (parseInt(cross_slide.style.right)>(actualwidth*(-1)+8))
      cross_slide.style.right=parseInt(cross_slide.style.right)-copyspeed+"px"
      else
      cross_slide.style.right=parseInt(cross_slide2.style.right)+actualwidth+slideshowgap+"px"
      
      if (parseInt(cross_slide2.style.right)>(actualwidth*(-1)+8))
      cross_slide2.style.right=parseInt(cross_slide2.style.right)-copyspeed+"px"
      else
      cross_slide2.style.right=parseInt(cross_slide.style.right)+actualwidth+slideshowgap+"px"
      
      }
      else if (document.layers){
      if (ns_slide.right>(actualwidth*(-1)+8))
      ns_slide.right-=copyspeed
      else
      ns_slide.right=ns_slide2.right+actualwidth+slideshowgap
      
      if (ns_slide2.right>(actualwidth*(-1)+8))
      ns_slide2.right-=copyspeed
      else
      ns_slide2.right=ns_slide.right+actualwidth+slideshowgap
      }
    }
    
    
    if (iedom||document.layers){
      with (document){
      if (iedom){
      write('<div style="position:relative;width:'+sliderwidth+';height:'+sliderheight+';overflow:hidden">')
      write(  '<div style="position:absolute;width:'+sliderwidth+';height:'+sliderheight+';background-color:'+slidebgcolor+'" onMouseover="copyspeed=0" onMouseout="copyspeed=slidespeed">')
      write(  '<div id="test2" style="position:absolute;right:0px;top:0px"><\/div>')
      write(  '<div id="test3" style="position:absolute;right:-1000px;top:0px"><\/div>')
      write('<\/div>')
      }
      else if (document.layers){
      write('<ilayer width='+sliderwidth+' height='+sliderheight+' name="ns_slidemenu" bgColor='+slidebgcolor+'>')
      write('<layer name="ns_slidemenu2" right=0 top=0 onMouseover="copyspeed=0" onMouseout="copyspeed=slidespeed"><\/layer>')
      write('<layer name="ns_slidemenu3" right=0 top=0 onMouseover="copyspeed=0" onMouseout="copyspeed=slidespeed"><\/layer>')
      write('<\/ilayer>')
      }
      }
    }
}

else if (direccio == "top2bot") {
  for (var i=0; i<as.length; i++) {
    leftrightslide[i]='<div sstyle="clear:both"><img src='+as[i].value+' height="100"></div>';
  }
    var copyspeed=slidespeed
    leftrightslide='<nobr>'+leftrightslide.join(imagegap)+'<\/nobr>'
    var iedom=document.all||document.getElementById
    if (iedom)
    document.write('<span id="temp" style="visibility:hidden;position:absolute;top:-100px;left:-9000px">'+leftrightslide+'<\/span>')
    var actualwidth=''
    var cross_slide, ns_slide
    
    function top2bot(){
      if (iedom){
      cross_slide=document.getElementById? document.getElementById("test2") : document.all.test2
      cross_slide2=document.getElementById? document.getElementById("test3") : document.all.test3
      cross_slide.innerHTML=cross_slide2.innerHTML=leftrightslide
      actualheight=document.all? cross_slide.offsetHeight : document.getElementById("temp").offsetHeight
      cross_slide2.style.bottom=actualheight+slideshowgap+"px"
      }
      else if (document.layers){
      ns_slide=document.ns_slidemenu.document.ns_slidemenu2
      ns_slide2=document.ns_slidemenu.document.ns_slidemenu3
      ns_slide.document.write(leftrightslide)
      ns_slide.document.close()
      actualheight=ns_slide.document.height
      ns_slide2.bottom=actualheight+slideshowgap
      ns_slide2.document.write(leftrightslide)
      ns_slide2.document.close()
      }
      bottomtime=setInterval("slidetop2bot()",30)
    }
    
    window.onload=top2bot
    
    
    function slidetop2bot(){
      if (iedom){
      if (parseInt(cross_slide.style.bottom)>(actualheight*(-1)+8))
      cross_slide.style.bottom=parseInt(cross_slide.style.bottom)-copyspeed+"px"
      else
      cross_slide.style.bottom=parseInt(cross_slide2.style.bottom)+actualheight+slideshowgap+"px"
      
      if (parseInt(cross_slide2.style.bottom)>(actualheight*(-1)+8))
      cross_slide2.style.bottom=parseInt(cross_slide2.style.bottom)-copyspeed+"px"
      else
      cross_slide2.style.bottom=parseInt(cross_slide.style.bottom)+actualheight+slideshowgap+"px"
      
      }
      else if (document.layers){
      if (ns_slide.bottom>(actualheight*(-1)+8))
      ns_slide.bottom-=copyspeed
      else
      ns_slide.bottom=ns_slide2.bottom+actualheight+slideshowgap
      
      if (ns_slide2.bottom>(actualheight*(-1)+8))
      ns_slide2.bottom-=copyspeed
      else
      ns_slide2.bottom=ns_slide.bottom+actualheight+slideshowgap
      }
    }
    
    
    if (iedom||document.layers){
      with (document){
      if (iedom){
      write('<div style="position:relative;width:'+sliderwidth+';height:'+sliderheight+';overflow:hidden">')
      write(  '<div style="position:absolute;width:'+sliderwidth+';height:'+sliderheight+';background-color:'+slidebgcolor+'" onMouseover="copyspeed=0" onMouseout="copyspeed=slidespeed">')
      write(  '<div id="test2" style="position:absolute;left:0px;bottom:0px"><\/div>')
      write(  '<div id="test3" style="position:absolute;bottom:-1000px;"><\/div>')
      write('<\/div>')
      }
      else if (document.layers){
      write('<ilayer width='+sliderwidth+' height='+sliderheight+' name="ns_slidemenu" bgColor='+slidebgcolor+'>')
      write('<layer name="ns_slidemenu2" left=0 bottom=0 onMouseover="copyspeed=0" onMouseout="copyspeed=slidespeed"><\/layer>')
      write('<layer name="ns_slidemenu3" left=0 bottom=0 onMouseover="copyspeed=0" onMouseout="copyspeed=slidespeed"><\/layer>')
      write('<\/ilayer>')
      }
      }
    }
}

else if (direccio == "bot2top") {
  for (var i=0; i<as.length; i++) {
    leftrightslide[i]='<div sstyle="clear:both"><img src='+as[i].value+' height="100"></div>';
  }
    var copyspeed=slidespeed
    leftrightslide='<nobr>'+leftrightslide.join(imagegap)+'<\/nobr>'
    var iedom=document.all||document.getElementById
    if (iedom)
    document.write('<span id="temp" style="visibility:hidden;position:absolute;top:-100px;left:-9000px">'+leftrightslide+'<\/span>')
    var actualwidth=''
    var cross_slide, ns_slide
    
    function bot2top(){
      if (iedom){
      cross_slide=document.getElementById? document.getElementById("test2") : document.all.test2
      cross_slide2=document.getElementById? document.getElementById("test3") : document.all.test3
      cross_slide.innerHTML=cross_slide2.innerHTML=leftrightslide
      actualheight=document.all? cross_slide.offsetHeight : document.getElementById("temp").offsetHeight
      cross_slide2.style.top=actualheight+slideshowgap+"px"
      }
      else if (document.layers){
      ns_slide=document.ns_slidemenu.document.ns_slidemenu2
      ns_slide2=document.ns_slidemenu.document.ns_slidemenu3
      ns_slide.document.write(leftrightslide)
      ns_slide.document.close()
      actualheight=ns_slide.document.height
      ns_slide2.top=actualheight+slideshowgap
      ns_slide2.document.write(leftrightslide)
      ns_slide2.document.close()
      }
      toptime=setInterval("slidebot2top()",30)
    }
    
    window.onload=bot2top
    
    
    function slidebot2top(){
      if (iedom){
      if (parseInt(cross_slide.style.top)>(actualheight*(-1)+8))
      cross_slide.style.top=parseInt(cross_slide.style.top)-copyspeed+"px"
      else
      cross_slide.style.top=parseInt(cross_slide2.style.top)+actualheight+slideshowgap+"px"
      
      if (parseInt(cross_slide2.style.top)>(actualheight*(-1)+8))
      cross_slide2.style.top=parseInt(cross_slide2.style.top)-copyspeed+"px"
      else
      cross_slide2.style.top=parseInt(cross_slide.style.top)+actualheight+slideshowgap+"px"
      
      }
      else if (document.layers){
      if (ns_slide.top>(actualheight*(-1)+8))
      ns_slide.top-=copyspeed
      else
      ns_slide.top=ns_slide2.top+actualheight+slideshowgap
      
      if (ns_slide2.top>(actualheight*(-1)+8))
      ns_slide2.top-=copyspeed
      else
      ns_slide2.top=ns_slide.top+actualheight+slideshowgap
      }
    }
    
    
    if (iedom||document.layers){
      with (document){
      if (iedom){
      write('<div style="position:relative;width:'+sliderwidth+';height:'+sliderheight+';overflow:hidden">')
      write(  '<div style="position:absolute;width:'+sliderwidth+';height:'+sliderheight+';background-color:'+slidebgcolor+'" onMouseover="copyspeed=0" onMouseout="copyspeed=slidespeed">')
      write(  '<div id="test2" style="position:absolute;left:0px;top:0px"><\/div>')
      write(  '<div id="test3" style="position:absolute;top:-1000px;"><\/div>')
      write('<\/div>')
      }
      else if (document.layers){
      write('<ilayer width='+sliderwidth+' height='+sliderheight+' name="ns_slidemenu" bgColor='+slidebgcolor+'>')
      write('<layer name="ns_slidemenu2" left=0 top=0 onMouseover="copyspeed=0" onMouseout="copyspeed=slidespeed"><\/layer>')
      write('<layer name="ns_slidemenu3" left=0 top=0 onMouseover="copyspeed=0" onMouseout="copyspeed=slidespeed"><\/layer>')
      write('<\/ilayer>')
      }
      }
    }
}