function setAlpha(obj_ref, percentage) {
	
		//alert(obj_ref + ":" + percentage);
		if (obj_ref.filters && obj_ref.filters[0]) {
			if (typeof obj_ref.filters[0].opacity == "number") { //if IE6+
				obj_ref.filters[0].opacity = percentage;
			} else { //else if IE5.5-
				obj_ref.style.filter = "progid:DXImageTransform.Microsoft.Alpha(opacity="+percentage+")";
			}
		} else if (obj_ref.style.MozOpacity) {
			obj_ref.style.MozOpacity = percentage / 101;
		} else if (obj_ref.style.KhtmlOpacity) {
			obj_ref.style.KhtmlOpacity = percentage / 100;
		}
	}
function e(id){
	return document.getElementById(id);
}