function CornersInit() {

	var corners = getElementsByClass('corners');

	for (i = 0; i < corners.length; i++) {

		corners[i].innerHTML += '<em class="tl"></em><em class="tr"></em><em class="bl"></em><em class="br"></em>';

	}

}



function getElementsByClass(searchClass,node,tag) {

	var classElements = new Array();

	if ( node == null )	node = document;

	if ( tag == null ) tag = '*';

	var els = node.getElementsByTagName(tag);

	var elsLen = els.length;

	var pattern = new RegExp("(^|\\s)"+searchClass+"(\\s|$)");

	for (i = 0, j = 0; i < elsLen; i++) {

		if (pattern.test(els[i].className) ) {

			classElements[j] = els[i];

			j++;

		}

	}

	return classElements;

}