function setImgLinkStyle() {
    var within = document.getElementById('contentContainer');
    var elem = within.getElementsByTagName('a');
    for(var i = 0; i < elem.length; i++) {
        elem[i].className = "";
		tagName = elem[i].firstChild.tagName;
		if (tagName != null) {
	        if (tagName.toLowerCase() == 'img') {
				elem[i].className = 'linkedImg';
	        }
		}
    }
}
function styleCaller() {
	return setImgLinkStyle();
}

if (window.addEventListener) {
	window.addEventListener("load", styleCaller, false);
} else if (window.attachEvent) {
	window.attachEvent("onload", styleCaller);
} else {
	window.onload=styleCaller;
}