// JavaScript Document


/* message arrays for the scrollers*/

var newscontent=new Array()
newscontent[0]='<a href="http://www.cenyc.org/greenbrooklyngreencity" target="_blank">Tri-State Biodiesel exhibiting at the 5th Annual <b>Green Brooklyn</b>... Green City Fair and Symposium, September 24 at Brooklyn Borough Hall. </a>';
newscontent[1]='<a href="http://www.tristatebiodiesel.com/deforestation_report.pdf" target="_blank">Tri-State Biodiesel releases a <b>white sheet study that refutes the notion of "indirect land use"</b>  as a negative impact of biofuels.</a>';
newscontent[2]='<a href="http://chapters.acg.org/newjersey/events/event.aspx?F_d=10%2f01%2f2009&F_y=2009&F_m=10&EventId=771&" target="_blank">CEO Brent Baker is scheduled to present at the <b>ACG "Greening Your Business" conference</b> on October 1st in New Jersey.</a>.';
newscontent[3]='<a href="http://scienceline.org/2009/08/20/environment-joelving-bioheat-biodiesel-carbon-footprint/" target="_blank">Tri-State Biodiesl featured on <b>Science Online</b> bioheat article.</a>';
newscontent[4]='Tri-State Biodiesel provides B50 (50% biodiesel blend) to the ground zero\'s <b>Tribute in Light</b> memorial.';
newscontent[5]='<a href="http://www.svn.org/fall2009" target="_blank">Brent Baker a featured speaker at <b>Social Venture Network\'s</b> fall conference in La Jolla, California</a>.';
newscontent[6]='<a href="http://www.csebcc.org/" target="_blank">TSB CEO will speak at the <b>Alternative Fuel Vehicle Conference</b> presented by the Center for Sustainable Energy on October 30th</a>.';
newscontent[7]='<a href="http://www.thevillager.com/villager_312/changeminds.html" target="_blank">Tri-State Biodiesel and CEO Baker featured in <b>The Villager\'s "Earth Day" issue</b>.</a>.';
newscontent[8]='<a href="http://www.tristatebiodiesel.com/landuse_march09_release.pdf" target="_blank">Over 100 <b>top climate scientists debunk the myths</b> of indirect land use and deforestation as a result of biodiesel.</a>.';



/***********************************************
* 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.
***********************************************/

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+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
// -------------------------------------------------------------------

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 (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()
}
}

pausescroller.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
}