#col1 {
  background: #070707;
  position: absolute;
  left: 0px;
  width: 140px;
  height: 360px;
}
#col2 {
	position: absolute;
	left: 150px;
	width: 150px;
	height: 360px;
	border-left-width:1px;
	border-left-color:#454545;
	border-left-style:solid;
	z-index: 2;
}

#translucentbkg {
   width: 150px; height: 380px;     /* to match DIVs size          */
   background-color: #070707;       /* the background              */
   filter:alpha(opacity=50);
   -moz-opacity:0.5;
   opacity: 0.5;
   border-right-width:1px;
   border-right-color:#454545;
   border-right-style:solid;
   z-index: 3;
}

#opaquetext {
   width: 140px; height: 360px;     /* to match DIVs size          */
   background-color: transparent;   /* transparent background      */
   position: absolute;              /* absolute positioning        */
   z-index: 4;                      /* place it over the other DIV */
}


#col3 {
	background: #070707;
	position: absolute;
	left: 150px;
	width: 800px;
	height: 380px;
	border-left-width:1px;
	border-left-color:#454545;
	border-left-style:solid;
	top: 0px;
	z-index: 1;
}
#col4 {
  background: #070707;
  position: absolute;
  left: 460px;
  width: 500px;
  height: 380px;
  border-left-width:1px;
  border-left-color:#454545;
  border-left-style:solid;
}