function imageOn(i) {
		if (document.images) {
			document.images["btn" + i].src = onImgArray[i].src
		}
	}
	function imageOff(i) {
		if (document.images) {
			document.images["btn" + i].src = offImgArray[i].src
		}
	}
	function params(qp) { 
		try{r=unescape(location.search.match(new RegExp(qp+"=+([^&]*)"))[1]);}
		catch(e){r='';} 
		return r; 
	}