div#scrollbar1, div#scrollbar2, div#scrollbar3 {
    display:block; /* initially display:none; to hide from incapable */
    }

div#wn1  {
	position:relative;
	height:190px;
	overflow:hidden;
	width: 375px;
  }
  div#wn2  {
	position:relative;
	height:280px;
	overflow:hidden;
	width: 450px;
  }
  div#wn3  {
	position:relative;
	height:190px;
	overflow:hidden;
	width: 450px;
  }
  
div#scrollbar1 {
	position:relative;
	width:11px;
	height:190px;
	font-size:1px;  /* so no gap or misplacement due to image vertical alignment */
  }
  div#scrollbar2 {
	position:relative;
	width:11px;
	height:280px;
	font-size:1px;  /* so no gap or misplacement due to image vertical alignment */
  }
  div#scrollbar3 {
	position:relative;
	width:11px;
	height:190px;
	font-size:1px;  /* so no gap or misplacement due to image vertical alignment */
  }
div#track1 {
	position:absolute;
	left:0;
	top:0px;
	width:11px;
	height:190px;
	background:url(../img/guia_scroll.png) center repeat-y;
  }
  div#track2 {
	position:absolute;
	left:0;
	top:0px;
	width:11px;
	height:280px;
	background:url(../img/guia_scroll.png) center repeat-y;
  }
  div#track3 {
	position:absolute;
	left:0;
	top:0px;
	width:11px;
	height:190px;
	background:url(../img/guia_scroll.png) center repeat-y;
  }
div#dragBar1, div#dragBar2, div#dragBar3 {
  position:absolute; left:1px; top:1px;
  width:8px; height:20px;
  background-color:#212121;
  z-index:1
  }  
div#up1 { position:absolute; left:0; top:0; z-index:2; display:none}  
div#down1 { position:absolute; left:0; bottom:0; z-index:3 ; display:none}  

div#left3 { position:absolute; left:0; top:0; }  
div#right3 { position:absolute; right:0; top:0; }


/* for safari, to prevent selection problem  */
div#scrollbar1, div#track1, div#dragBar1, div#up1, div#down1,
div#scrollbar2, div#track2, div#dragBar2, div#up2, div#down2,
div#scrollbar3, div#track3, div#dragBar3, div#up3, div#down3
    {
    -moz-user-select: none;
    -khtml-user-select: none;
    }


/* so no gap or misplacement due to image vertical alignment
font-size:1px in scrollbar has same effect (less likely to be removed, resulting in support issues) */
div#scrollbar1 img, div#scrollbar2 img, div#scrollbar3 img {
    display:block; 
    }