function addEvent(elm, evType, fn, useCapture) {
	if(elm.addEventListener) {
		elm.addEventListener(evType, fn, useCapture);
		return true;
	} else if (elm.attachEvent) {
		var r = elm.attachEvent('on' + evType, fn);
		return r;
	} else {
		elm['on' + evType] = fn;
	}
}

// removes the square border that IE
// insists on adding to checkboxes and radio
function removeCheckBoxBorders() {
	var el = document.getElementsByTagName("input");
	for (i=0;i<el.length;i++) {
		var type = el[i].getAttribute("type");
		if((type=="checkbox")||(type=="radio")) {
			el[i].style.border = "none";
			el[i].style.background = "transparent";
		}
	}
}

addEvent(window, 'load', removeCheckBoxBorders, false);