function init() {
	if (!document.getElementsByTagName) return false;

	//assign history.back() to all links with class name backLink

	var links = document.getElementsByTagName("a");
	for( var i=0; i<links.length; i++ ) {
		if( links[i].className.match("backLink") ) {
			links[i].onclick = function() {
				history.back();
			}
		} //end if

	}//end for

}

window.onload = init;