// browser test:
agent = navigator.userAgent
browserVer = 2
if (agent.indexOf("a/3",6) == -1 && agent.indexOf("a/4",6) == -1) {browserVer = 2}
else {browserVer = 1}

//preload images
//if (browserVer == 1) {

	leftoff = new Image();
	leftoff.src = "../imgs/left_nav_boxes.gif";
	lefton = new Image();
	lefton.src = "../imgs/left_nav_boxes_on.gif";
	
	fbut1 = new Image();
	fbut1.src = "../imgs/feature_button1a.jpg";
	fbut1on = new Image();
	fbut1on.src = "../imgs/feature_button1b.jpg";
	fbut2 = new Image();
	fbut2.src = "../imgs/feature_button2a.jpg";
	fbut2on = new Image();
	fbut2on.src = "../imgs/feature_button2b.jpg";
	fbut3 = new Image();
	fbut3.src = "../imgs/feature_button3a.jpg";
	fbut3on = new Image();
	fbut3on.src = "../imgs/feature_button3b.jpg";
	fbut4 = new Image();
	fbut4.src = "../imgs/feature_button4a.jpg";
	fbut4on = new Image();
	fbut4on.src = "../imgs/feature_button4b.jpg";
	fbut5 = new Image();
	fbut5.src = "../imgs/feature_button5a.jpg";
	fbut5on = new Image();
	fbut5on.src = "../imgs/feature_button5b.jpg";
	fbut6 = new Image();
	fbut6.src = "../imgs/feature_button6a.jpg";
	fbut6on = new Image();
	fbut6on.src = "../imgs/feature_button6b.jpg";

//}

function hilite(imgDocID,imgObjName){
	//if (browserVer == 1) {
        document.images[imgDocID].src = eval(imgObjName + ".src")
	//}	
}

function popUp(ref) {
         bookWindow = window.open(ref, 'bookWin', 'resizable=yes,location=no,menubar=no,scrollbars=no,width=400,height=410')
         bookWindow.focus()
}