function toggleTT(id){
	var div = id+"C";
	
	if (document.getElementById(div).style.display!="block" && document.getElementById(div).className!="On"){
		document.getElementById(div).style.display='block';
		document.getElementById(lastImage+"C").style.display='none';
		document.getElementById(div).className='On';
		document.getElementById(lastImage+"C").className='Off';
		offImg(lastImage);
		onImg(id);
		lastImage=id;
	}
}

function onImg(img){
	var image=document.getElementById(img).className= img+"On";
}

function offImg(img){
	var image=document.getElementById(img);
	var div=img+"C";
			
	if (document.getElementById(div).style.display!="block" && document.getElementById(div).className!="On"){
		image.className=img+"Off";
	}
}

function hoverImg(img){
	var image=document.getElementById(img);
	var div=img+"C";
			
	if (document.getElementById(div).style.display!="block" && document.getElementById(div).className!="On"){
		image.className=img+"Hover";
	}
}

function offImgAcc(img){
	var image=document.getElementById(img);
	var div=img+"C";
			
	if (document.getElementById(img).className.indexOf("On") < 0){
		image.className=img+"Off";
	}
}

function hoverImgAcc(img){
	var image=document.getElementById(img);
	var div=img+"C";
			
	if (document.getElementById(img).className.indexOf("On") < 0){
		image.className=img+"Hover";
	}
}

function preSelect(id){
	document.getElementById(id+"C").style.display='block';
	onImg(id);
	lastImage=id;
	//blockTabs(id);
}

function swapVisibility(current)
	{
				
			 if(current == "siteNavC")
			{
			   document.getElementById("siteNavC").className='On';
			   document.getElementById("fCommercialC").className='Off';
			   document.getElementById("fCommercial").className='fCommercialOff';
			   document.getElementById("siteNav").className='siteNavOn';
			}
			else{
				document.getElementById("siteNavC").className='Off';
			   	document.getElementById("fCommercialC").className='On';
				document.getElementById("siteNav").className='siteNavOff';
				document.getElementById("fCommercial").className='fCommercialOn';
			}
	}

function toggleAlt(id){
	toggleTT(id);
	blockTabs(id);
}

function blockTabs(id){
	var elements = document.getElementById("headers").getElementsByTagName("a");
	for(var i = 0; i < elements.length;i++){
		var currentElement = elements[i].childNodes[0].id;
		if(currentElement == id){
			document.getElementById(currentElement + "D").className = "blockTab";
		}else{
			document.getElementById(currentElement + "D").className = "UnlockTab";					
		}
	}	
}

function toggleFootnote(id){
	var elements = document.getElementById("foots").getElementsByTagName("div");
	for(var i = 0; i < elements.length;i++){
		var currentElement = elements[i].id;
		if(currentElement == id + "F"){
			document.getElementById(currentElement).className = currentElement + "On";
		}else{
			document.getElementById(currentElement).className = currentElement + "Off";					
		}
	}	
}

function toggleTab(id){
	var elements = document.getElementById("headers").getElementsByTagName("a");
	for(var i = 0; i < elements.length;i++){
		if(elements[i].id == id){
			document.getElementById(elements[i].id).className = id+"On";
			document.getElementById(elements[i].id + "C").style.display = "block";
		}else{
			document.getElementById(elements[i].id).className = id+"";
			document.getElementById(elements[i].id + "C").style.display = "none";
		}
	}
}