//browser detection
var ns = (navigator.appName == "Netscape");//Netscape browser
var ns6 = false;
var ua = navigator.userAgent;
if (document.getElementById) ns6 = true; //Netscape 6 or above

//images arrays
var imgNamesOff = new Array("images/navasksophia/nav_1.jpg", "images/navasksophia/nav_2.jpg", "images/navasksophia/nav_3.jpg", "images/navasksophia/nav_4.jpg", "images/navasksophia/nav_5.jpg", "images/navasksophia/nav_6.jpg", "images/navasksophia/nav_7.jpg", "images/navasksophia/nav_8.jpg", "images/navasksophia/nav_9.jpg", "images/navasksophia/nav_10.jpg", "images/navasksophia/nav_11.jpg", "images/navasksophia/nav_12.jpg", "images/navasksophia/nav_13.jpg", "images/navasksophia/nav_14.jpg");
var imgNamesOn = new Array("images/navasksophia/nav_1_on.jpg", "images/navasksophia/nav_2_on.jpg", "images/navasksophia/nav_3_on.jpg", "images/navasksophia/nav_4_on.jpg", "images/navasksophia/nav_5_on.jpg", "images/navasksophia/nav_6_on.jpg", "images/navasksophia/nav_7_on.jpg", "images/navasksophia/nav_8_on.jpg", "images/navasksophia/nav_9_on.jpg", "images/navasksophia/nav_10_on.jpg", "images/navasksophia/nav_11_on.jpg", "images/navasksophia/nav_12_on.jpg", "images/navasksophia/nav_13_on.jpg", "images/navasksophia/nav_14_on.jpg");
var imgOff = new Array(imgNamesOff.length);
var imgOn = new Array(imgNamesOn.length);

//preload images
for (i=0; i<imgNamesOff.length; i++){
	imgOff[i] = new Image();
	imgOff[i].src = imgNamesOff[i];
	imgOn[i] = new Image();
	imgOn[i].src = imgNamesOn[i];
}

//mouseover
function swapIn(objName){
	var obj = eval("document." + objName);
	for(i=0; i<imgNamesOff.length; i++)
		if (obj.src == imgOff[i].src){
			obj.src = imgOn[i].src;
			break;
		}
}

//mouseout
function swapOut(objName){
	var obj = eval("document." + objName);
	for(i=0; i<imgNamesOn.length; i++)
		if (obj.src == imgOn[i].src){
			obj.src = imgOff[i].src;
			break;
		}
}

function GP_AdvOpenWindow(theURL,winName,features,popWidth,popHeight,winAlign,ignorelink,alwaysOnTop,autoCloseTime,borderless) { //v2.0
  var leftPos=0,topPos=0,autoCloseTimeoutHandle, ontopIntervalHandle, w = 480, h = 340;  
  if (popWidth > 0) features += (features.length > 0 ? ',' : '') + 'width=' + popWidth;
  if (popHeight > 0) features += (features.length > 0 ? ',' : '') + 'height=' + popHeight;
  if (winAlign && winAlign != "" && popWidth > 0 && popHeight > 0) {
    if (document.all || document.layers || document.getElementById) {w = screen.availWidth; h = screen.availHeight;}
		if (winAlign.indexOf("center") != -1) {topPos = (h-popHeight)/2;leftPos = (w-popWidth)/2;}
		if (winAlign.indexOf("bottom") != -1) topPos = h-popHeight; if (winAlign.indexOf("right") != -1) leftPos = w-popWidth; 
		if (winAlign.indexOf("left") != -1) leftPos = 0; if (winAlign.indexOf("top") != -1) topPos = 0; 						
    features += (features.length > 0 ? ',' : '') + 'top=' + topPos+',left='+leftPos;}
  if (document.all && borderless && borderless != "" && features.indexOf("fullscreen") != -1) features+=",fullscreen=1";
  if (window["popupWindow"] == null) window["popupWindow"] = new Array();
  var wp = popupWindow.length;
  popupWindow[wp] = window.open(theURL,winName,features);
  if (popupWindow[wp].opener == null) popupWindow[wp].opener = self;  
  if (document.all || document.layers || document.getElementById) {
    if (borderless && borderless != "") {popupWindow[wp].resizeTo(popWidth,popHeight); popupWindow[wp].moveTo(leftPos, topPos);}
    if (alwaysOnTop && alwaysOnTop != "") {
    	ontopIntervalHandle = popupWindow[wp].setInterval("window.focus();", 50);
    	popupWindow[wp].document.body.onload = function() {window.setInterval("window.focus();", 50);}; }
    if (autoCloseTime && autoCloseTime > 0) {
    	popupWindow[wp].document.body.onbeforeunload = function() {
  			if (autoCloseTimeoutHandle) window.clearInterval(autoCloseTimeoutHandle);
    		window.onbeforeunload = null;	}  
   		autoCloseTimeoutHandle = window.setTimeout("popupWindow["+wp+"].close()", autoCloseTime * 1000); }
  	window.onbeforeunload = function() {for (var i=0;i<popupWindow.length;i++) popupWindow[i].close();}; }   
  document.MM_returnValue = (ignorelink && ignorelink != "") ? false : true;
}