<!--

//sniffer
function Is() {
  var agent = navigator.userAgent.toLowerCase();
  var is_major = parseInt(navigator.appVersion);
  var is_minor = parseFloat(navigator.appVersion);
  this.ns = ((agent.indexOf('mozilla')!=-1) && ((agent.indexOf('spoofer')==-1) && (agent.indexOf('compatible') == -1)) && (is_major < 5));
  this.ie = (agent.indexOf("msie") != -1);
  this.dom = ((agent.indexOf('mozilla')!=-1) && (agent.indexOf('gecko') != -1) && (is_major >= 5));
}

var is = new Is();

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		top_black_over = newImage("/images/top_black-over.gif");
		top_green_over = newImage("/images/top_green-over.gif");
		top_puerh_over = newImage("/images/top_puerh-over.gif");
		top_herbalfloral_over = newImage("/images/top_herbalfloral-over.gif");
		top_white_over = newImage("/images/top_white-over.gif");
		top_oolong_over = newImage("/images/top_oolong-over.gif");
		top_teaware_over = newImage("/images/top_teaware-over.gif");
		preloadFlag = true;
	}
}

function popWindow(image){
	var newWin=window.open(image,'image','width=450,height=580,scrollbars=yes,left=0,top=0,menubars=no,toolbars=no,resizable=yes');
} 

function checkLimit(which,chars,counter) {
	if(which.value.length > chars) {
		which.value = which.value.substr(0,chars);
	}
	document.getElementById(counter).innerHTML = (chars - which.value.length);
}

// -->