/*******************************************************************************
 * SZÁRMAZÁSI PARAMÉTEREK
     Pausing up-down scroller- © Dynamic Drive (www.dynamicdrive.com)
     This notice MUST stay intact for legal use
     Visit http://www.dynamicdrive.com/dynamicindex2/crosstick.htm
 * SAJÁT PARAMÉTEREK
     Felhasználás head: 
        var pausecontent=new Array()
            pausecontent[0]='<center><a href="http://www.pspad.com/" target="_new">PSPAd</a><br /><br /><img src="kepek/pspad_7.png" width ="45px" height="16px" /><br /><br />Egy saját honlap készítését elősegítő, szerkesztő program.</center>'
            pausecontent[1]='<center><a href="http://www.easyphp.org/" target="_new">EasyPHP</a><br /><br /><img src="kepek/easy-php.gif" width ="40px" height="32px" /><br /><br />A honlap otthoni tesztelését segítő program.</center>'
            pausecontent[2]='<center><a href="http://www.photofiltre.com/" target="_new">PhotoFiltre</a><br /><br /><img src="kepek/photofiltre.png" width ="50px" height="25px" /><br /><br />Képek készítésére alkalmas program.</center>'
            pausecontent[3]='<center><a href="http://www.www.gimp.org/" target="_new">Gimp</a><br /><br /><img src="kepek/gimp.gif" width ="50px" height="50px" /><br /><br />Képek és animációk készítésére alkalmas program.</center>'
            és így tovább
     Felhasználás body: 
           <div class="reklam-behuzo">
             <script type="text/javascript">
              (new pausescroller(üzenet-tömb neve, stilus ID, stilus classname, szünet ms-ban)
              new pausescroller(pausecontent, "reklam-doboz", "reklam-tartalom", 3000)
             </script>
           </div>
********************************************************************************/
function pausescroller(content, divId, divClass, delay)
{
  this.content=content //message array content
  this.tickerid=divId //ID of ticker div to display information
  this.delay=delay //Delay between msg change, in miliseconds.
  this.mouseoverBol=0 //Boolean to indicate whether mouse is currently over scroller (and pause it if it is)
  this.hiddendivpointer=1 //index of message array for hidden div
  document.write('<div id="'+divId+'" class="'+divClass+'" style="position: relative; overflow: hidden"><div class="innerDiv" style="position: absolute; width: 100%" id="'+divId+'1">'+content[0]+'</div><div class="innerDiv" style="position: absolute; width: 100%; visibility: hidden" id="'+divId+'2">'+content[1]+'</div></div>')
  var scrollerinstance=this
  if (window.addEventListener) //run onload in DOM2 browsers
    window.addEventListener("load", function(){scrollerinstance.initialize()}, false)
  else 
    if (window.attachEvent) //run onload in IE5.5+
      window.attachEvent("onload", function(){scrollerinstance.initialize()})
    else 
      if (document.getElementById) //if legacy DOM browsers, just start scroller after 0.5 sec
        setTimeout(function(){scrollerinstance.initialize()}, 500)
}

// -------------------------------------------------------------------
// initialize()- Initialize scroller method.
// -Get div objects, set initial positions, start up down animation
// -------------------------------------------------------------------

pausescroller.prototype.initialize=function()
{
  this.tickerdiv=document.getElementById(this.tickerid)
  this.visiblediv=document.getElementById(this.tickerid+"1")
  this.hiddendiv=document.getElementById(this.tickerid+"2")
  this.visibledivtop=parseInt(pausescroller.getCSSpadding(this.tickerdiv))
  //set width of inner DIVs to outer DIV's width minus padding (padding assumed to be top padding x 2)
  this.visiblediv.style.width=this.hiddendiv.style.width=this.tickerdiv.offsetWidth-(this.visibledivtop*2)+"px"
  this.getinline(this.visiblediv, this.hiddendiv)
  this.hiddendiv.style.visibility="visible"
  var scrollerinstance=this
  document.getElementById(this.tickerid).onmouseover=function(){scrollerinstance.mouseoverBol=1}
  document.getElementById(this.tickerid).onmouseout=function(){scrollerinstance.mouseoverBol=0}
  if (window.attachEvent) //Clean up loose references in IE
    window.attachEvent("onunload", function(){scrollerinstance.tickerdiv.onmouseover=scrollerinstance.tickerdiv.onmouseout=null})
  setTimeout(function(){scrollerinstance.animateup()}, this.delay)
}


// -------------------------------------------------------------------
// animateup()- Move the two inner divs of the scroller up and in sync
// -------------------------------------------------------------------

pausescroller.prototype.animateup=function()
{
  var scrollerinstance=this
  if (parseInt(this.hiddendiv.style.top)>(this.visibledivtop+1))
  {
    this.visiblediv.style.top=parseInt(this.visiblediv.style.top)-1+"px"
    this.hiddendiv.style.top=parseInt(this.hiddendiv.style.top)-1+"px"
    setTimeout(function(){scrollerinstance.animateup()}, 50)
  }
  else
  {
    this.getinline(this.hiddendiv, this.visiblediv)
    this.swapdivs()
    setTimeout(function(){scrollerinstance.setmessage()}, this.delay)
  }
}

// -------------------------------------------------------------------
// swapdivs()- Swap between which is the visible and which is the hidden div
// -------------------------------------------------------------------

pausescroller.prototype.swapdivs=function()
{
  var tempcontainer=this.visiblediv
  this.visiblediv=this.hiddendiv
  this.hiddendiv=tempcontainer
}

pausescroller.prototype.getinline=function(div1, div2)
{
  div1.style.top=this.visibledivtop+"px"
  div2.style.top=Math.max(div1.parentNode.offsetHeight, div1.offsetHeight)+"px"
}

// -------------------------------------------------------------------
// setmessage()- Populate the hidden div with the next message before it's visible
// -------------------------------------------------------------------

pausescroller.prototype.setmessage=function()
{
  var scrollerinstance=this
  //if mouse is currently over scoller, do nothing (pause it)
  if (this.mouseoverBol==1) 
    setTimeout(function(){scrollerinstance.setmessage()}, 100)
  else
  {
    var i=this.hiddendivpointer
    var ceiling=this.content.length
    this.hiddendivpointer=(i+1>ceiling-1)? 0 : i+1
    this.hiddendiv.innerHTML=this.content[this.hiddendivpointer]
    this.animateup()
  }
}

//get CSS padding value, if any
pausescroller.getCSSpadding=function(tickerobj)
{ 
  if (tickerobj.currentStyle)
    return tickerobj.currentStyle["paddingTop"]
  else
    if (window.getComputedStyle) //if DOM2
      return window.getComputedStyle(tickerobj, "").getPropertyValue("padding-top")
    else
      return 0
}

