function displayAthlete () {
	var el = document.getElementById("athlete");
	var elAmt = el.getElementsByTagName("DIV");
	var rand = Math.floor(Math.random()*elAmt.length)
	
	for (var i=0; i<elAmt.length; i++) {
		setStyle(elAmt[i],'display','none');
		}
		
	setStyle(elAmt[rand],'display','block');

}

function displayLingo () {
	var el = document.getElementById("sports_lingo");
	var elAmt = el.getElementsByTagName("DIV");
	var rand = Math.floor(Math.random()*elAmt.length)
	
	for (var i=0; i<elAmt.length; i++) {
		setStyle(elAmt[i],'display','none');
		}
		
	setStyle(elAmt[rand],'display','block');

}



function getRef(obj){
        return (typeof obj == "string") ?
        document.getElementById(obj) : obj;
}

function setStyle(obj,style,value){
        getRef(obj).style[style]= value;
}