// convert all characters to lowercase to simplify testing
var agt=navigator.userAgent.toLowerCase();
var appVer = navigator.appVersion.toLowerCase();

var is_minor = parseFloat(appVer);
var is_major = parseInt(is_minor);

var iePos  = appVer.indexOf('msie');
if (iePos !=-1) {
   is_minor = parseFloat(appVer.substring(iePos+5,appVer.indexOf(';',iePos)))
   is_major = parseInt(is_minor);
}

var is_opera = (agt.indexOf("opera") != -1);
var is_ie   = ((iePos!=-1) && (!is_opera));
var is_ie6   = (is_ie && is_major == 6);

function waitPreloadPage() {
//	if(document.getElementById('preloader')) {
//		window.setTimeout('hidePreloadPage()', 2000);
//	} else {
//		window.setTimeout('hidePreloadPage()', 1000);
//	}
}
function hidePreloadPage() {
	if (document.getElementById){
		if(document.getElementById('preloader'))
			document.getElementById('preloader').style.visibility='hidden';
	}else{
		if (document.layers){ //NS4
			if(document.preloader)
				document.preloader.visibility = 'hidden';
		} else {
			if(document.all.preloader)
				document.all.preloader.style.visibility = 'hidden';
		}
	}
}

function showInfo() {
	new Effect.Appear('infoHolder', {duration:.3})
	window.setTimeout('hideInfo()', 4000);
}

function hideInfo() {
	//Effect.Fade('infoHolder', {duration:.3})
	new Effect.Fade('infoHolder', {duration:.5});
	//window.setTimeout('document.getElementById(\'infoHolder\').style.display=\'none\'', 1500)
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

//MM_preloadImages(
//		'img/footer-drive-test-virtual-on.gif',
//		'img/footer-drive-test-on.gif'
//	)
//

var sizes = {100 : 22, 95 : 21, 90 : 20, 83 : 19, 75 : 17};
var current_size = 100;
function scrollTo(sizeTo)
{
	if(sizeTo == current_size) return;
//	alert(current_size + ' ' + sizeTo);
	var step = ((sizeTo > current_size) ? 1 : -1);
	var i = 1;
	while ((current_size != sizeTo) && (current_size >= 50) && (current_size <= 100)) {
		current_size += step;
		window.setTimeout('scroll2('+current_size+')', i * 100);
		i++;
	}
//	alert(current_size);

	setCookie(current_size)

	replaceImages(current_size);
	volReset();
	hideInfo();
}

function volReset() {
	for(var proc in sizes) {
		var img = document.getElementById('volImg'+proc)
		if(img) {
			img.src = 'img/vol/'+sizes[proc]+'-off.jpg';
		}
	}
	var img = document.getElementById('volImg'+current_size)
	if(img) {
//		alert(sizes[current_size]);
		img.src = 'img/vol/'+sizes[current_size]+'.jpg';
	}
}

function setCookie(value) {
	var cName = 'lgMonitor';
	var expireDays = 30;
	var exdate=new Date();

	exdate.setDate(exdate.getDate()+expireDays);
	document.cookie = cName+ "=" +escape(value)+((expireDays==null) ? "" : ";expires="+exdate.toGMTString());
}

function replaceImages(newProc) {
	var imgs = document.images;
	replaceImagesInCollection(newProc, imgs)
	var inps = document.getElementsByTagName('INPUT');
	replaceImagesInCollection(newProc, inps)
}
function replaceImagesInCollection(newProc, imgs) {
	for(var img in imgs) {
		img = imgs[img];
		if(!img.src) continue;
		for(var proc in sizes) {
			if(proc == newProc) continue;
			if(img.src.indexOf('/'+sizes[proc]+'/') >= 0) {
				img.src = img.src.replace('/'+sizes[proc]+'/', '/'+sizes[newProc]+'/');
			}
		}
	}
}


function replaceMonitor(monNr)
{
	if((monNr < 1) || (monNr > 6)) return;

	new Effect.Shrink('image-'+monNr);
	window.setTimeout('showImage('+monNr+'); Effect.Appear(\'image-'+monNr+'\', {duration:.3})',1500);

}


function showMon(mon) {
	if(mon.replace) mon = 1*mon.replace('m', '');
	if (mon < 1) mon = 4;
	if (mon > 4) mon = 1;
	var movieList = document.getElementById('movieList');
	if(!movieList) return;

	var imgs = movieList.getElementsByTagName('IMG');

	var isrc = 'img/mon/m'+mon+'';
	//if(is_ie6)
	isrc += '.gif';
	// else isrc += '.png';

	for(var i=1; i<=6;i++) {
		var im = document.getElementById('monImage'+i)
		var il = document.getElementById('monLink'+i)
		if(im) {
			im.src = isrc;
		}
		if(il) {
			if(i == mon) il.className = 'selected'
			else il.className = '';
		}
	}
	current_monitor = mon
//	alert(lgMonitors['m'+mon])
}
function toggle(obj) {
	if(!(el = document.getElementById(obj))) return false;
	if (el.style.display != 'none' ) {
		el.style.display = 'none';
	}
	else {
		el.style.display = '';
	}
}