function rollbg(chosen, objectID) {
	if(chosen == "adtext3") {
	 document.getElementById(objectID).className="adtext3";
	}else if(chosen == "adtext1"){
	 document.getElementById(objectID).className="adtext1";
	}else if(chosen == "adtext2"){
	 document.getElementById(objectID).className="adtext2";
	}
}

function showbg(chosen, objectID) {
	if(chosen == "showcol3") {
	 document.getElementById(objectID).className="showcol3";
	}else if(chosen == "showcol1"){
	 document.getElementById(objectID).className="showcol1";
	}else if(chosen == "showcol2"){
	 document.getElementById(objectID).className="showcol2";
	}
}