/***********************************************
* Pausing up-down scroller- Dynamic Drive (www.dynamicdrive.com)
* This notice MUST stay intact for legal use
* Visit http://www.dynamicdrive.com/ for this script and 100s more.
* 
* Original script URI: http://www.dynamicdrive.com/dynamicindex2/crosstick.htm
* Modified by Chris Wible, CNHI 9.22.08
* Changed name from pause scroller to bizmarquee for internal branding purposes
* 
* Minor changes made to script
*   Formatting
*   Cleaning of comments, semicolons, etc - for readability and personal preference
*   Addition of header property
***********************************************/

function bizmarquee(content, divId, divClass, header, delay){
  this.randomizeArray(content);
  
  this.content=content;
  //message array content
  this.tickerid=divId;
  //ID of ticker div to display information
  this.delay=delay;
  // cw: name for marquee
  this.header = header;
  //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
  
  if(this.content.length > 0) {
  // if we have something to do
    document.write('<div id="'+divId+'" style="visibility:hidden"><div id="bizkin" class="'+divClass+'" style="position: relative; overflow: hidden"><strong>' + this.header + '</strong><div class="innerDiv" style="position: absolute; width: 100%" id="'+divId+'1">'+content[0]+'</div><div class="innerDiv" style="position: absolute; visibility: hidden;width: 100%" id="'+divId+'2">'+content[1]+'</div></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);
    }
  }else{
    return false;
  }
}

// -------------------------------------------------------------------
// initialize()- Initialize scroller method.
// -Get div objects, set initial positions, start up down animation
// -------------------------------------------------------------------

bizmarquee.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(bizmarquee.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});
  }
  if(this.content.length > 1) {
  // if there's more than one ad, animate
    setTimeout(function(){scrollerinstance.animateup()}, this.delay);
  }
    var bizkin = document.getElementById("bizkin"); 

    if(bizkin.offsetWidth <= 600) {
      //alert("testing data" + bizkin.offsetWidth);	
      bizkin.setAttribute('class',bizkin.getAttribute('class') + ' narrow');
      bizkin.setAttribute('className',bizkin.getAttribute('className') + ' narrow');
    }
    bizkin.style.visibility = "visible";

}


// -------------------------------------------------------------------
// animateup()- Move the two inner divs of the scroller up and in sync
// -------------------------------------------------------------------

bizmarquee.prototype.animateup=function(){
  var scrollerinstance=this;
  if (parseInt(this.hiddendiv.style.top)>(this.visibledivtop+5)){
    this.visiblediv.style.top=parseInt(this.visiblediv.style.top)-5+"px"
    this.hiddendiv.style.top=parseInt(this.hiddendiv.style.top)-5+"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
// -------------------------------------------------------------------

bizmarquee.prototype.swapdivs=function(){
  var tempcontainer=this.visiblediv
  this.visiblediv=this.hiddendiv
  this.hiddendiv=tempcontainer
}

bizmarquee.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
// -------------------------------------------------------------------

bizmarquee.prototype.setmessage=function(){
  var scrollerinstance=this;
  if (this.mouseoverBol==1) {
    //if mouse is currently over scoller, do nothing (pause it)
    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();
  }
}

bizmarquee.getCSSpadding=function(tickerobj){
  //get CSS padding value, if any
  if (tickerobj.currentStyle) {
    return tickerobj.currentStyle["paddingTop"];
  }else if (window.getComputedStyle) {
  //if DOM2
    return window.getComputedStyle(tickerobj, "").getPropertyValue("padding-top");
  }else{
    return 0;
  }
}

bizmarquee.prototype.randomizeArray=function(array) {
  var i = array.length;
  if ( i == 0 ) return false;
  while ( --i ) {
     var j = Math.floor( Math.random() * ( i + 1 ) );
     var tempi = array[i];
     var tempj = array[j];
     array[i] = tempj;
     array[j] = tempi;
   }
}