function setTopButtonSrc(level, href, src, overImg, navbar){
}

function clearBeneathLvl(lvl){
	var transpar = "images/transparent_pixel.gif";
	if (lvl < 3){
		window.top.banner.document.thirdLevel.src = transpar;		
	}
	if (lvl < 2){
		window.top.banner.document.secondLevel.src = transpar;
	}
	if (lvl < 1){
		window.top.banner.document.firstLevel.src = transpar;
	}
}

function clickHome(){
	clearBeneathLvl(0);
}

function clickSiteMap(){
}