function add_borders() {
	elementList=document.getElementsByTagName("*");
	for (t=0; t<elementList.length; t++) { 
		if (elementList[t].className.search('_simplebox')>=0) { 
			elementList[t].innerHTML='<div class="jsbox_top"><div></div></div><div class="jsbox_right"><div class="jsbox_left"><div class="jsbox_content">'+elementList[t].innerHTML+'</div></div></div><div class="jsbox_bottom"><div></div></div>'; 
			elementList[t].className=elementList[t].className.replace("_simplebox","_jsbox");
		}
	}
}

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