var _img_max_width = 800; //change this if you want another size
var _img_mouseover_title = 'Zum Vergroessern hier klicken'; //Change here for the message to display when the mouse is over the resized image

//Don't touch anything after here if you don't know what are you doing.
function addLoadEvent(func){
   var oldonload = window.onload;
   if (typeof window.onload != 'function') {
      window.onload = func;
   }else{
      window.onload = function() {
         if (oldonload) {
            oldonload();
         }
         func();
      }
   }
}

PositionX = 10;
PositionY = 10;
defaultWidth  = 100;
defaultHeight = 100;

var AutoClose = true;

function popImage(imageURL,imageTitle){
  var imgWin = window.open('','_blank','scrollbars=1,resizable=1,width='+defaultWidth+',height='+defaultHeight+',left='+PositionX+',top='+PositionY);
  if( !imgWin ) { return true; } //popup blockers should not cause errors
  imgWin.document.write('<html><head><title>'+imageTitle+'<\/title><script type="text\/javascript">\n'+
    'function resizeWinTo() {\n'+
    'if( !document.images.length ) { document.images[0] = document.layers[0].images[0]; }'+
    'var oH = document.images[0].height, oW = document.images[0].width;\n'+
    'if( !oH || window.doneAlready ) { return; }\n'+ //in case images are disabled
    'window.doneAlready = true;\n'+ //for Safari and Opera
    'var x = window; x.resizeTo( oW + 200, oH + 200 );\n'+
    'var myW = 0, myH = 0, d = x.document.documentElement, b = x.document.body;\n'+
    'if( x.innerWidth ) { myW = x.innerWidth; myH = x.innerHeight; }\n'+
    'else if( d && d.clientWidth ) { myW = d.clientWidth; myH = d.clientHeight; }\n'+
    'else if( b && b.clientWidth ) { myW = b.clientWidth; myH = b.clientHeight; }\n'+
    'if( window.opera && !document.childNodes ) { myW += 16; }\n'+
    'x.resizeTo( oW = oW + ( ( oW + 200 ) - myW ), oH = oH + ( (oH + 200 ) - myH ) );\n'+
    'var scW = screen.availWidth ? screen.availWidth : screen.width;\n'+
    'var scH = screen.availHeight ? screen.availHeight : screen.height;\n'+
    'if( !window.opera ) { x.moveTo(Math.round((scW-oW)/2),Math.round((scH-oH)/2)); }\n'+
    '}\n'+
    '<\/script>'+
    '<\/head><body onload="resizeWinTo();"'+(AutoClose?' onblur="self.close();"':'')+'>'+
    (document.layers?('<layer left="0" top="0">'):('<div style="position:absolute;left:0px;top:0px;display:table;">'))+
    '<img src="'+imageURL+'" alt="Loading image ..." title="" onload="resizeWinTo();">'+
    (document.layers?'<\/layer>':'<\/div>')+'<\/body><\/html>');
  imgWin.document.close();
  if( imgWin.focus ) { imgWin.focus(); }
  return false;
}

addLoadEvent(function () {
   if (document.getElementsByTagName) {
      var imgs = document.getElementsByTagName('img');
      for (i = 0; i < imgs.length; i++) {
         var im = imgs[i];
         if (im.getAttribute('rel') != 'resize')   continue;
         var src = im.src;
         var width = im.width;
         var height = im.height;
         if (width > _img_max_width) {
            im.style.width = _img_max_width + 'px';
            im.onclick = function() { return popImage(this.src,'klangfuzzis.de'); }
            /*Removed to try above code ^^ im.onclick = function() {
               var pop=window.open(this.src, 'imgbig', 'height=768,width=1024,resizable=1,scrollbars=1');
               //Changed from var pop = window.open(this.src, 'imgbig', 'width='+width+',height='+height+', scrollbars=0,resizable=0,toolbar=0');
               //Removed pop.resizeBy(width-pop.document.body.clientWidth,height-pop.document.body.clientHeight);
               pop.focus();
            }*/
            im.style.cursor = document.all ? 'hand' : 'pointer' ;
            im.style.border = '1px dotted #000';
            im.style.margin = '2px';
            im.title = _img_mouseover_title;
         }
      }
   }
});
