function Insitel_Slide_start(start_frame, end_frame, delay) {
		Effect.Appear('slideshow1');
        setTimeout(Insitel_Slide_switch(0, end_frame, delay), delay);
    }
	
    function  Insitel_Slide_switch(frame, end_frame, delay)
	{
        return (function() 
		{
            if (frame == end_frame)
			{ 
				Effect.Fade('slideshow' + frame + '');		
				frame = 1; 
				setTimeout("Effect.Appear('slideshow" + frame + "');", 1000);
			} 
			else if(frame == 0)
			{
				Effect.Fade('slideshow1');
				frame = 2;
				setTimeout("Effect.Appear('slideshow" + frame + "');", 1000);
			}
			else 
			{
				Effect.Fade('slideshow' + frame + '');
				frame = frame + 1; 
            	setTimeout("Effect.Appear('slideshow" + frame + "');", 1000);
			}

            setTimeout(Insitel_Slide_switch(frame, end_frame, delay), delay);
        })
    }