var agt = navigator.userAgent.toLowerCase();
	var is_major = parseInt(navigator.appVersion);
	var is_minor = parseFloat(navigator.appVersion);
    var isNS = ((agt.indexOf('mozilla') != -1) && (agt.indexOf('spoofer') == -1) && (agt.indexOf('compatible') == -1) && (agt.indexOf('opera') == -1) && (agt.indexOf('webtv') == -1) && (agt.indexOf('hotjava') == -1));
    var isNS6 = (isNS && (is_major >= 5));
	var isIE = document.all ? true : false

	var reImgLoaded = false;
	var reBuyer_on, reBuyer_off, reSeller_on, reSeller_off;

	function initRegister() {

		if (document.images) {

			// Buyer
			reBuyer_on = new Image();
			reBuyer_off = new Image();
			reBuyer_on.src = "/images/buyer-go-on.gif";
			reBuyer_off.src = "/images/buyer-go-off.gif";

			// Seller
			reSeller_on = new Image();
			reSeller_off = new Image();
			reSeller_on.src = "/images/seller-go-on.gif";
			reSeller_off.src = "/images/seller-go-off.gif";

			reImgLoaded = true;
		}
	}

	function reSetOn(itemName) {
		if (reImgLoaded)
			if (isIE)
				document.images['re'+itemName].src = eval('re'+itemName+'_on.src')
			else
				document.images['re'+itemName].src = eval('re'+itemName+'_on.src')
	}

	function reSetOff(itemName) {
  		if (reImgLoaded)
			if (isIE)
				document.images['re'+itemName].src = eval('re'+itemName+'_off.src')
			else
				document.images['re'+itemName].src = eval('re'+itemName+'_off.src')
	}