var agt=navigator.userAgent.toLowerCase(); 
var is_nav = ((agt.indexOf('mozilla')!=-1) && (agt.indexOf('spoofer')==-1) && (agt.indexOf('compatible') == -1) && (agt.indexOf('opera')==-1) && (agt.indexOf('webtv')==-1));
var is_mac = (agt.indexOf("mac")!=-1);
var browser_version = parseInt(navigator.appVersion);
var navVend = false;
var is_nav6 = false;
if (is_nav) {
	if (browser_version >= 5) {	is_nav6 = true };
}

var queryStringArray = top.window.location.search.substr(1).split("&");
var queryString = top.window.location.search.substr(1);

function queryValue ( key ) {
	for (var i=0; i<queryStringArray.length; i++) {
   		if (queryStringArray[i].indexOf(key) == 0) {
   			var keyArray = queryStringArray[i].split("=");
    		return keyArray[1];
   		}
  	}
	return "";
}


function swapImage(pImg) {
	var objString = pImg.src
	var locPos = objString.lastIndexOf("_")
	var locString = objString.substring(0,locPos)
	var stateString = objString.substring(locPos,objString.length)
	if (stateString == "_up.gif") {
		stateString = "_over.gif"
	} else {
		stateString = "_up.gif"
	}
	setString = locString + stateString
	pImg.src = setString
}

function doBlur(iTem) {
	if (is_nav) {
		// don't issue blur command for netscape
	} else {
		// issue blur command to turn off box around clicked elements in explorer
		iTem.blur()
	}
}