.imageoverlay {
	left:50px;
	position:absolute;
	top:50px;
	visibility:hidden;
	z-index:300;
}

.transparentdiv {

	/*
	background-color:#999999;
	height:100%;
	left:0;
	opacity:0.7;
	filter: alpha(opacity=70);	
	padding:5px;
	position:absolute;
	top:0;
	visibility:hidden;
	width:100%;
	z-index:200;
  */
  z-index: 200;
	filter: alpha(opacity=70); /*older IE*/
	filter:progid:DXImageTransform.Microsoft.Alpha(opacity=50); /* IE */
	-moz-opacity: .70; /*older Mozilla*/
	-khtml-opacity: 0.7;   /*older Safari*/
	opacity: 0.7;   /*supported by current Mozilla, Safari, and Opera*/
	background-color:#999999;
	position:fixed; 
  top:0px; left:0px; 
  width:100%; height:100%; 
  color:#FFFFFF; 
  text-align:center; 
  vertical-align:middle;
}