//	Generally helpful functions
function findPos(obj) {
	var curleft = curtop = 0;
	if (obj.offsetParent) {
		do {
			curleft += obj.offsetLeft;
			curtop += obj.offsetTop;
		} while (obj = obj.offsetParent);
	}
		offset = new Array();
		offset['top'] = curtop;
		offset['left'] = curleft;
		return offset;
}