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_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)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}


// images 
var globalNr = 0;
var globalImg ;
var ProdImg = Array ('products/saltpipe_5.jpg', 'products/saltpipe_1.jpg', 'products/saltpipe_2.jpg', 'products/saltpipe_3.jpg');
var ProdNr  = ProdImg.length;

var MineImg = Array ( 'mine/saltmine1.jpg', 'mine/saltmine2.jpg', 'mine/saltmine3.jpg', 'mine/saltmine4.jpg', 'mine/saltmine5.jpg',       'mine/saltmine6.jpg', 'mine/saltmine7.jpg', 'mine/saltmine8.jpg', 'mine/saltmine9.jpg', 'mine/saltmine10.jpg', 'mine/saltmine11.jpg' );
var MineNr  = MineImg.length;



// change title for iframe
function changeTitle( Title ){

  document.getElementById('titleDiv').innerHTML = Title;
  return true;
}


// load pictures
function changePic( Pic ){
  
  document.getElementById('pictureDiv').innerHTML = '<img src="jpg/'+Pic+'" width="327" height="245" name="prepic">';
  return true;    

};


// show pictures navigator
function showNav( From ){
  
  globalImg = From;
  globalNr  = 0;
  document.getElementById('navigationDiv').innerHTML = '<table width="100%" border="0" cellspacing="0" cellpadding="0"><tr><td align="left" valign="middle"><div id="leftArrow">&nbsp;</div></td><td align="right"><div id="rightArrow"><a href="#" onClick="nextImg()">next<img src="img/nyil_j0.gif" name="Image7" width="9" height="16" border="0" align="absmiddle"></a></div></td></tr></table>';

  return true;
}


// hide pic navigator
function hideNav(){

  document.getElementById('navigationDiv').innerHTML = '&nbsp;';
  return true;
}


// previous pic
function prevImg(){
  // products
  if ( globalImg == 'products' ){
    
    if (globalNr == ProdNr - 1){
      document.getElementById('rightArrow').innerHTML = '<a href="#" onClick="nextImg()">next<img src="img/nyil_j0.gif" name="Image6" width="9" height="16" border="0" align="absmiddle"></a>';
    }
    globalNr --;
    document.getElementById('pictureDiv').innerHTML = '<img src="jpg/'+ProdImg[globalNr]+'" width="327" height="245" name="prepic">';
  }
  // mine
  if ( globalImg == 'mine' ){
    
    if (globalNr == MineNr - 1){
      document.getElementById('rightArrow').innerHTML = '<a href="#" onClick="nextImg()">next<img src="img/nyil_j0.gif" name="Image6" width="9" height="16" border="0" align="absmiddle"></a>';
    }
    globalNr --;
    document.getElementById('pictureDiv').innerHTML = '<img src="jpg/'+MineImg[globalNr]+'" width="327" height="245" name="prepic">';

  }

  // common
  if ( globalNr == 0 ){

      document.getElementById('leftArrow').innerHTML = '&nbsp;';
  }
  return true;
}


// next pic 
function nextImg(){
  // common
  globalNr ++;
  document.getElementById('leftArrow').innerHTML = '<a href="#" onClick="prevImg()"><img src="img/nyil_b0.gif" name="Image6" width="9" height="16" border="0" align="absmiddle">prev</a>';
  
  // products
  if ( globalImg == 'products' ){
    document.getElementById('pictureDiv').innerHTML = '<img src="jpg/'+ProdImg[globalNr]+'" width="327" height="245" name="prepic">';
    if ( globalNr == ProdNr - 1 ){
      document.getElementById('rightArrow').innerHTML = '&nbsp;';
    }
    
  }
  // mine
  else if ( globalImg == 'mine' ){
    document.getElementById('pictureDiv').innerHTML = '<img src="jpg/'+MineImg[globalNr]+'" width="327" height="245" name="prepic">';
    if ( globalNr == MineNr - 1 ){
      document.getElementById('rightArrow').innerHTML = '&nbsp;';
    }

  }

  return true;
}




function na_open_window(name, url, left, top, width, height, toolbar, menubar, statusbar, scrollbar, resizable)
{
  toolbar_str = toolbar ? 'yes' : 'no';
  menubar_str = menubar ? 'yes' : 'no';
  statusbar_str = statusbar ? 'yes' : 'no';
  scrollbar_str = scrollbar ? 'yes' : 'no';
  resizable_str = resizable ? 'yes' : 'no';

  cookie_str = document.cookie;
  cookie_str.toString();

  pos_start  = cookie_str.indexOf(name);
  pos_end    = cookie_str.indexOf('=', pos_start);

  cookie_name = cookie_str.substring(pos_start, pos_end);

  pos_start  = cookie_str.indexOf(name);
  pos_start  = cookie_str.indexOf('=', pos_start);
  pos_end    = cookie_str.indexOf(';', pos_start);
  
  if (pos_end <= 0) pos_end = cookie_str.length;
  cookie_val = cookie_str.substring(pos_start + 1, pos_end);
  if (cookie_name == name && cookie_val  == "done")
    return;

  window.open(url, name, 'left='+left+',top='+top+',width='+width+',height='+height+',toolbar='+toolbar_str+',menubar='+menubar_str+',status='+statusbar_str+',scrollbars='+scrollbar_str+',resizable='+resizable_str);
}