// JavaScript Document

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_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_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];}
}

function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

function getStartPosition_Array1(myImg) {					// Called by HM_Arrays, left_position parameter.
	var objImg
	objImg = document.images[myImg]
	// alert(objImg);
	if (HM_NS4){
		return eval(objImg).x
	} else {
		return getXPosition(objImg);
	}
}

function getTopPosition_Array1(myImg) {					// Called by HM_Arrays, left_position parameter.
	var objImg
	objImg = document.images[myImg]
	if (HM_NS4){
		return eval(objImg).y
	} else {
		return getYPosition(objImg);
	}
}

function getXPosition(imgElem) {						// Called by getStartPosition_Array1.
	xPos = eval(imgElem).offsetLeft;
	tempEl = eval(imgElem).offsetParent;
	while (tempEl != null) {
		xPos += tempEl.offsetLeft;
	  	tempEl = tempEl.offsetParent;
	 }
	return xPos;
}

function getYPosition(imgElem) {						// Called by getStartPosition_Array1.
	yPos = eval(imgElem).offsetTop;
	tempEl = eval(imgElem).offsetParent;
	while (tempEl != null) {
		yPos += tempEl.offsetTop;
	  	tempEl = tempEl.offsetParent;
	 }
	return yPos;
}

function vis(id) {
	if (document.getElementById(id).style.display=='none') {
		document.getElementById(id).style.display='inline';
	} else if (document.getElementById(id).style.display!='none') document.getElementById(id).style.display='none';
}

function visNone(){
for (var i=1; i<=3; i++) {
	row='row'+i;
	document.getElementById(row).style.display='none';
}
}

function navigate(choise) {
	var url=choise.options[choise.selectedIndex].value;
	url = "istoriko.php?aid="+url;
	if (url) {
		location.href=url;
	}
}

function navigate2(choise) {
	var url=choise.options[choise.selectedIndex].value;
	url = "istorikoeng.php?aid="+url;
	if (url) {
		location.href=url;
	}
}

function culcDays(){
	var myDate = new Date(2012,6,14,16,00,00);
	var now = new Date();
	var dayToSec=24*60*60;
	var hourToSec=60*60;
	diff=Math.abs(now.getTime()-myDate.getTime())/1000;
	days=Math.floor(diff/(dayToSec));
	hours=Math.floor(diff%(dayToSec)/hourToSec);
	minutes=Math.floor(((diff%(dayToSec))%hourToSec)/60);
	secs=Math.floor((((diff%(dayToSec))%hourToSec)%60));
	document.form1.dateBox.value=days+' : '+hours+' : '+minutes+' : '+secs;
}

function popup(url) {
if(navigator.appName != "Microsoft Internet Explorer") alert("To monitor boat positions, prefer the Internet Explorer");
else {
	params  = 'width='+screen.width;
	params += ', height='+screen.height;
	params += ', top=0, left=0';
	params += ', fullscreen=yes';
	params += ', scrollbars=auto';
	newwin=window.open(url,'windowname4', params);
	if (window.focus) {newwin.focus()}
	return false;
}
}