function setDimensions(avatarImg){
	var pic = document.getElementById(avatarImg);
	var h = pic.offsetHeight;
	var w = pic.offsetWidth;
		pic.style.maxHeight="150px";
		pic.style.maxWidth="200px";
	if (h/w >= 0.75) {
		pic.style.height="150px";
		pic.style.width="auto";
	} else {
		pic.style.width="200px";
		pic.style.height="auto";
	}
}