function preload_fighters() {
		
		var fighters = [["john", -800, 120], ["ricardo", -600, 378], ["chris", -300, 648]];
		for(var i=0; i<fighters.length; ++i) {
			var fighter1 = new Tween(document.getElementById(fighters[i][0]).style,'left',Tween.strongEaseOut,fighters[i][1],fighters[i][2], 2.5,'px');
			fighter1.start();
			var slidename = new Tween(document.getElementById("name-" + fighters[i][0]).style,'backgroundPosition',Tween.strongEaseOut,16, 0, .25,'px', '0px ');
			slidename.start();
		}
	}

		

	function rollFighter(onoff, thefighter) {
		if(onoff) {
			slidename = new Tween(document.getElementById(thefighter).style,'backgroundPosition',Tween.strongEaseOut,0,-16, .25,'px', '0px ');
			slidename.start();
			

		} else {
			slidename = new Tween(document.getElementById(thefighter).style,'backgroundPosition',Tween.strongEaseOut,-16,0, .25,'px', '0px ');
			slidename.start();
			
			
		}
	}