if (document.images) {
	mcLong = new Image(180,180);mcLong.src = 'images/mcLong.gif';
	mcMedium = new Image(180,180);mcMedium.src = 'images/mcMedium.gif';
	mcNear = new Image(180,180);mcNear.src = 'images/mcNear.gif';
	mcShort = new Image(180,180);mcShort.src = 'images/mcShort.gif';
	mcHedged = new Image(180,180);mcHedged.src = 'images/mcHedged.gif';
	mcModerate = new Image(180,180);mcModerate.src = 'images/mcModerate.gif';
	mcPositive = new Image(180,180);mcPositive.src = 'images/mcPositivegif';
	mcAggressive = new Image(180,180);mcAggressive.src = 'images/mcAggressive.gif';
}

function swap(target,onImage){
  if (document.images) {document.images[target].src=onImage; }
}