addLightBoxAttribute = function() {
	var isIE = (document.documentElement.getAttribute('style') == document.documentElement.style);
	
	if(!document.getElementsByTagName) {
		return;
	}
	
	var id = 'article';
	var element;
	
	if(id) {
		element = document.getElementById(id)
		
		if(!element) {
			return;
		}
	} else {
		element = document.body;
	}
	
	var anchors = element.getElementsByTagName('a');
	
	for(var i = 0, len = anchors.length; i < len; i++) {
		var anchor = anchors[i];
		
		if(anchor.getAttribute('href') && anchor.getAttribute('href').match(/jpg$|gif$|png$|JPG$/)) {
			anchor.className = 'lightbox_link';
		}
	}
}