var addDogLinkon= new Image();
addDogLinkon.src = "../images/dog_summary_short/dog_short_add_dog_on.gif";
var addDogLinkoff= new Image();
addDogLinkoff.src = "../images/dog_summary_short/dog_short_add_dog_off.gif";

function showImage(fname) {
	iname=eval(fname + "on.src");
	document[fname].src = iname;
}

function hideImage(fname) {
	iname=eval(fname + "off.src");
	document[fname].src = iname;
}