function IncludeJavaScript(jsFile){
  document.write('<script type="text/javascript" src="'+ jsFile + '"></scr' + 'ipt>'); 
}

IncludeJavaScript('/advertising/javascript/Tween.js');
	
function TopBillboardAd(maxDiv, minDiv){
	if(document.getElementById && document.createTextNode){
	  if(document.getElementById(minDiv)){
		document.getElementById(minDiv).className='minimized';
	  }
	}
	if(document.getElementById && document.createTextNode){
	  if(document.getElementById(maxDiv)){
		document.getElementById(maxDiv).className='maximized';
	  }
	}
}


function growBillboard(){
	var grow = new Tween(document.getElementById('topBillboardAd').style,'height',Tween.backEaseOut,0,500,2,'px');
	grow.start();
}

function shrinkBillboard(){
	var shrink = new Tween(document.getElementById('topBillboardAd').style,'height',Tween.backEaseIn,500,0,1,'px');
	shrink.start();
}