function ShowDetailPreview(thumb) {
	    
	    for(i = 1; i < 4; i++) {
	    
	        if(i == thumb) {
	            display = "block";
	            cssclass = "selected";
	        }
	        else {
	            display = "none";
	            cssclass = "";
	        }
	        
	        document.getElementById('details_picture' + i).style.display = display;
	        if(document.getElementById('details_select' + i) != null)
	            document.getElementById('details_select' + i).className = cssclass;
	        
	    }
	    
	}