var gallery = {
  	 
       imagecount:0,
       currentImageNr: 1,
       
       showFloatingDiv: function(imageSrc,imageNr){
       	
       	$('galleryFloatImage').src = imageSrc;
		gallery.currentImageNr = imageNr;
        $('galleryFloatImage').onload = function(){ $('galleryImageFloatingDiv').style.display = 'block'; }    	  
        gallery.displayImage();
       },
       
       displayImage: function(){
       	
        var imageID = 'galleryImage_'+gallery.currentImageNr;
        
        if(gallery.currentImageNr>=4){
         	$('galleryControlNext').style.visibility = 'hidden';
        }else{ 
        	$('galleryControlNext').style.visibility = 'visible';
        }
        
        if(gallery.currentImageNr<=1){
        	$('galleryControlPrevious').style.visibility = 'hidden';
        }else{ 
        	$('galleryControlPrevious').style.visibility = 'visible';
        }

        $('galleryFloatImage').src = $(imageID).name;
        /*$('galleryFloatImage').src = $(imageID).src.replace(/tn_/,'');*/
       },
       
       closeFloatingDiv: function(){
        gallery.currentImageNr = 1;
        $('galleryImageFloatingDiv').style.display = 'none';
       },
       
       nextImage: function(){
        gallery.currentImageNr++;
        gallery.displayImage();
       },
       
       previousImage: function(){
        gallery.currentImageNr--;      
        gallery.displayImage();
       }
  }