function setOpacity(obj, opacity) {



  if ( obj ) {



  	opacity = (opacity == 100)?99.999:opacity;

  

  	// IE/Win

  	obj.style.filter = "Alpha(opacity="+opacity+")";

  

  	// Safari<1.2, Konqueror

  	obj.style.KHTMLOpacity = opacity/100;

  

  	// Older Mozilla and Firefox

  	obj.style.MozOpacity = opacity/100;

  

  	// Safari 1.2, newer Firefox and Mozilla, CSS3

  	obj.style.opacity = opacity/100;

  }

}



function fadeIn(objId,opacity,stop_opacity,step,interval, end_fkt) {

  if (document.getElementById) {

    obj = document.getElementById(objId);

    if (opacity <= stop_opacity) {

      setOpacity(obj, opacity);

      opacity += step;

      window.setTimeout("fadeIn('"+objId+"',"+opacity+","+stop_opacity+","+step+","+interval+","+end_fkt+")", interval);

    }

    else  {

      if ( end_fkt ) end_fkt ();

    }

  }

}



function fadeOut(objId,opacity,stop_opacity,step, interval, end_fkt ) {

  if (document.getElementById) {

    obj = document.getElementById(objId);

    if (opacity >= stop_opacity) {

      setOpacity(obj, opacity);

      opacity -= step;

      window.setTimeout("fadeOut('"+objId+"',"+opacity+","+stop_opacity+","+step+","+interval+","+end_fkt+")", interval);

    }

    else {

      if ( end_fkt ) end_fkt ();

    }

  }

}



function resize_and_move_Element ( objId, left, top, width, stop_left, stop_top, stop_width, step_left, step_top, step_width, interval ) {

	var obj = document.getElementById( objId );



	if ( obj ) {

		if ( left  == -1 )  left  = eliminatePX(obj.style.left);

		if ( top   == -1 )  top   = eliminatePX(obj.style.top);

		if ( width == -1 )  width = eliminatePX(obj.style.width);

		if ( width < 0 ) return;



		ratio_width  = obj.width;

		ratio_height = obj.height;

		if ( !ratio_height && obj.clientHeight ) ratio_height = obj.clientHeight;

		if ( !ratio_width && obj.clientWidth )   ratio_width  = obj.clientWidth;

		if ( !ratio_height && obj.offsetHeight ) ratio_height = obj.offestHeight;

		if ( !ratio_width && obj.offestWidth )   ratio_width  = obj.offsetWidth;

		ratio = ratio_height / ratio_width;



		if ( step_left < 0 && left > stop_left ) left  = (left + step_left);

		if ( step_left > 0 && left < stop_left ) left  = (left + step_left);



		if ( step_top < 0 && top > stop_top ) top  = (top + step_top);

		if ( step_top > 0 && top < stop_top ) top  = (top + step_top);



		width = (width + step_width);

		var height = ratio * width;



		obj.style.width  = width  + "px";

		obj.style.height = Math.ceil(height) + "px";

		obj.style.left	 = left + "px";

		obj.style.top	 = top + "px";



		if ( step_width < 0 ) {

			if ( width > stop_width ) {

				window.setTimeout("resize_and_move_Element('"+objId+"',"+left+","+top+","+width+","+stop_left+","+stop_top+","+stop_width+","+step_left+","+step_top+","+step_width+","+interval+")", interval);

			}			

		}

		else {

			if ( width < stop_width ) {

				window.setTimeout("resize_and_move_Element('"+objId+"',"+left+","+top+","+width+","+stop_left+","+stop_top+","+stop_width+","+step_left+","+step_top+","+step_width+","+interval+")", interval);

			}

		}

	}

}





function eliminatePX ( str ) {

	return ( Math.ceil(str.substr(0, str.length-2)) );

}



function hide ( objId, left, top ) {

	var obj = document.getElementById ( objId );



	if ( obj && obj.style.visibility ) obj.style.visibility = "hidden";

	if ( obj && obj.style.left ) obj.style.left = left;

	if ( obj && obj.style.top ) obj.style.top = top;

}



function show ( objId, left, top ) {

	var obj = document.getElementById ( objId );



	if ( obj && obj.style.left ) obj.style.left = left;

	if ( obj && obj.style.top ) obj.style.top = top;

	if ( obj && obj.style.visibility ) obj.style.visibility = "visible";

}



function resetElement ( objId, left, top, width, height ) {

	var obj = document.getElementById ( objId );



	if ( obj && obj.style.left )   obj.style.left   = left + "px";

	if ( obj && obj.style.top )    obj.style.top    = top + "px";

	if ( obj && obj.style.width )  obj.style.width  = width + "px";

	if ( obj && obj.style.height ) obj.style.height = height + "px";



	if ( obj && obj.width )  obj.width  = width;

	if ( obj && obj.height ) obj.height = height;



}