function SwapOut(event){
	var e = event || window.event;
    var t = e.target || e.srcElement;
    
	
	var originalPath=t.src;
	//var originalPath=event.target.src;
	var lastSlashIndex = originalPath.lastIndexOf("/");
	var newPath=originalPath.substring(0,lastSlashIndex);
	var smallImageName = t.name;
	var newImageName=smallImageName.substring(1,smallImageName.length);
	var newImageSrc = newPath + "/" + newImageName + ".jpg";
	

	//alert (event.target.src);
	//alert(newImageSrc);
    document.primary.src = newImageSrc;

	return true;
}