<!DOCTYPE HTML Public "-//W3C//DTD XHTML 1.0 transitional//en" "http://www.w3.org/TR/xhtml1/DTD/ Xhtml1-transitional.dtd "> <HTMLxmlns= "http://www.w3.org/1999/xhtml"><Head><title>DIV CSS Mask Layer</title><Scriptlanguage= "JavaScript"type= "Text/javascript">functionShowdiv () {document.getElementById ("BG"). Style.display="Block"; document.getElementById ("Show"). Style.display="Block"; }functionHidediv () {document.getElementById ("BG"). Style.display='None'; document.getElementById ("Show"). Style.display='None'; }</Script><styletype= "Text/css">#bg{Display:None;position:Absolute;Top:0%; Left:0%;width:100%;Height:100%;Background-color:Black;Z-index:1001;-moz-opacity:0.7;Opacity:.;Filter:Alpha (opacity=70);}#show{Display:None;position:Absolute;Top:25%; Left:22%;width:53%;Height:49%;padding:8px;Border:8px Solid #E8E9F7;Background-color: White;Z-index:1002;Overflow:Auto;}</style></Head><Body><inputID= "Btnshow"type= "button"value= "Show"onclick= "Showdiv ();"/><DivID= "BG"></Div><DivID= "Show">Test<inputID= "Btnclose"type= "button"value= "Close"onclick= "Hidediv ();"/></Div></Body></HTML>