var ns4 = (document.layers)? 1 : 0 ;
var ie = (document.all)? 1 : 0 ;
var usr = navigator.userAgent
var objns6 = (usr.indexOf('Netscape6')!=-1)? 1 : 0 ;
var ns = (document.getElementById)? 1 : 0 ;
var isMac = (navigator.userAgent.indexOf('Mac')!=-1) ;
var brsr = (navigator.appName.indexOf("Netscape")!=-1) ;

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_showHideLayers() { //v3.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; }
    obj.visibility=v; }
}

function loadfocus() {
  if ((navigator.appName== "Netscape" && parseInt(navigator.appVersion) >= 4)|| (navigator.appName.indexOf("Microsoft") != -1 && parseInt(navigator.appVersion) > 3))
    browserVer = '1';
  else
    browserVer = '2';
  if (browserVer == 1)
	window.focus();
  return true;
}

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_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) {
//	  alert(a[i]+' '+a[i+2]);
   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_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 getParameter(str, name) {
  var res = "";
  name += "=";
  if (str.indexOf("?")!=-1) {
    str = str.substring(str.indexOf("?")+1, str.length);
    if (str.indexOf(name)!=-1) {
      if (str.indexOf("&"+name, str.indexOf(name)+name.length)!=-1) {
        res = str.substring(str.indexOf("&"+name)+name.length, str.indexOf("&"+name))
	  }
   	  else {
        res = str.substring(str.indexOf(name)+name.length, str.length);
	  }
      if (res.indexOf("&")!=-1)
        res = res.substring(0,res.indexOf("&"));
   	}
  }
  return res;
}

function showImage(id, src) {
  if (ie)
   	document.all[id].src = src;
  else if (ns)
	document.getElementById(id).src = src;
}

function showMessage(id, text) {
  if (ie)
   	document.all[id].innerHTML = text;
  else if (ns)
   	document.getElementById(id).innerHTML = text;
}

function submitForm(form) {
  var obj = MM_findObj(form);
  if ((obj) && (obj.onsubmit()))
	  obj.submit();
  return false;
}

function activateMenut(obj) {
  obj.style.background = 'url(images/menut_bg_selected.gif)';
}

String.prototype.trim = function() {
    return this.replace(/(^\s*)|(\s*$)/g, "");
}

function deactivateMenut(obj) {
  if ((typeof(page)=='undefined') || (obj.id!='menut_'+page))
    obj.style.background = 'url(images/menut_bg.gif)';
}

function showStreets() {
  var w=700, h=530;
  var l = (screen.availWidth-w)/2 , t = (screen.availHeight-h)/2;
  if (navigator.appName == 'Netscape' ) {
	  var win = window.open("strada.php","_blank","width="+w+",height="+h+",left="+l+",top="+t+",statusbar=no,toolbar=no,scrollbars=yes,navbar=no");
  }else{
	  var win = window.open("strada.php","_blank","width="+w+",height="+h+",left="+l+",top="+t+",statusbar=no,toolbar=no,scrollbars=never,navbar=no");
  }
  win.focus();
}

function showStreets_en() {
  var w=700, h=530;
  var l = (screen.availWidth-w)/2 , t = (screen.availHeight-h)/2;
  if (navigator.appName == 'Netscape' ) {
	  var win = window.open("strada_en.php","_blank","width="+w+",height="+h+",left="+l+",top="+t+",statusbar=no,toolbar=no,scrollbars=yes,navbar=no");
  }else{
	  var win = window.open("strada_en.php","_blank","width="+w+",height="+h+",left="+l+",top="+t+",statusbar=no,toolbar=no,scrollbars=never,navbar=no");
  }
  win.focus();
}

function showStreets_md() {
  var w=700, h=530;
  var l = (screen.availWidth-w)/2 , t = (screen.availHeight-h)/2;
  if (navigator.appName == 'Netscape' ) {
  	var win = window.open("strada_md.php","_blank","width="+w+",height="+h+",left="+l+",top="+t+",statusbar=no,toolbar=no,scrollbars=yes,navbar=no");
  }else{
  	var win = window.open("strada_md.php","_blank","width="+w+",height="+h+",left="+l+",top="+t+",statusbar=no,toolbar=no,scrollbars=never,navbar=no");
  }
  win.focus();
}

function showCompanies() {
  var w=700, h=500;
  var l = (screen.availWidth-w)/2 , t = (screen.availHeight-h)/2;
  var win = window.open("companies.php","_blank","width="+w+",height="+h+",left="+l+",top="+t+",statusbar=no,toolbar=no,scrollbars=never,navbar=no");
  win.focus();
}

function showCompanies_en() {
  var w=700, h=500;
  var l = (screen.availWidth-w)/2 , t = (screen.availHeight-h)/2;
  var win = window.open("companies_en.php","_blank","width="+w+",height="+h+",left="+l+",top="+t+",statusbar=no,toolbar=no,scrollbars=never,navbar=no");
  win.focus();
}

function showCompanies_md() {
  var w=700, h=500;
  var l = (screen.availWidth-w)/2 , t = (screen.availHeight-h)/2;
  var win = window.open("companies_md.php","_blank","width="+w+",height="+h+",left="+l+",top="+t+",statusbar=no,toolbar=no,scrollbars=never,navbar=no");
  win.focus();
}

function help_ru() {
  var w=650, h=520; 
  var l = (screen.availWidth-w)/2 , t = (screen.availHeight-h)/2;
  var win = window.open("help_ru.htm","_blank","width="+w+",height="+h+",left="+l+",top="+t+",statusbar=no,toolbar=no,scrollbars=never,navbar=no");
  win.focus();
}

function help_en() {
  var w=650, h=520; 
  var l = (screen.availWidth-w)/2 , t = (screen.availHeight-h)/2;
  var win = window.open("help_en.htm","_blank","width="+w+",height="+h+",left="+l+",top="+t+",statusbar=no,toolbar=no,scrollbars=never,navbar=no");
  win.focus();
}

function help_md() {
  var w=650, h=520; 
  var l = (screen.availWidth-w)/2 , t = (screen.availHeight-h)/2;
  var win = window.open("help_md.htm","_blank","width="+w+",height="+h+",left="+l+",top="+t+",statusbar=no,toolbar=no,scrollbars=never,navbar=no");
  win.focus();
}

function legend_ru() {
  var w=1050, h=600;
  var l = (screen.availWidth-w)/2 , t = (screen.availHeight-h)/2;
  var win = window.open("legend_ru.htm","_blank","width="+w+",height="+h+",left="+l+",top="+t+",statusbar=no,toolbar=no,scrollbars=never,navbar=no");
  win.focus();
}

function legend_en() {
  var w=1050, h=600;
  var l = (screen.availWidth-w)/2 , t = (screen.availHeight-h)/2;
  var win = window.open("legend_en.htm","_blank","width="+w+",height="+h+",left="+l+",top="+t+",statusbar=no,toolbar=no,scrollbars=never,navbar=no");
  win.focus();
}

function legend_md() {
  var w=1050, h=600;
  var l = (screen.availWidth-w)/2 , t = (screen.availHeight-h)/2;
  var win = window.open("legend_md.htm","_blank","width="+w+",height="+h+",left="+l+",top="+t+",statusbar=no,toolbar=no,scrollbars=never,navbar=no");
  win.focus();
}