function columnHeight(){
	var header = YAHOO.util.Dom.getRegion("headerCont");
	var content = YAHOO.util.Dom.getRegion("contentContText");
	var additionalSideHeight = 27;
	
	if (content.bottom > 922){	
		var totalHeight = content.bottom+15;
	}else{
		var totalHeight = 922;
	}
	
	document.getElementById("leftNavHolder").style.height = totalHeight + additionalSideHeight;
	document.getElementById("contentCont").style.height = totalHeight-header.bottom-60;
	document.getElementById("rightCont").style.height = totalHeight + additionalSideHeight;
}