#hideshow {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
}
#fade {
    background: #000; 
    position: fixed; 
    width: 100%;
    height: 100%;
    filter:alpha(opacity=80);
    opacity: .80;
    -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=80)"; /*--IE 8 Transparency--*/
    left: 0;
    z-index: 10;
}
.popup_block {
    background: #C8E79C;
    padding: 10px 20px;
    border: 10px solid #fff;
    float: left;
    position: fixed;
    top: 20%;
    left: 50%;
    margin: 0 0 0 -250px;
    z-index: 100;
 
}
.popup_block .popup {
    float: left;
    width: 100%;
    background: #fff;
    margin: 10px 0;
    padding: 10px 0;
    border: 1px solid #bbb;
}
.popup h3 {
    margin: 0 0 20px;
    padding: 5px 10px;
    border-bottom: 1px solid #bbb;
    font-size: 1.5em;
    font-weight: normal;
}
.popup p {
    padding: 5px 10px;
    margin: 5px 0;
}
.popup img.cntrl {
    position: absolute;
    right: -20px;
    top: -20px;
}
 
/*--Making IE6 Understand Fixed Positioning--*/
 
*html #fade {
    position: absolute;
    top:expression(eval(document.compatMode &&
    document.compatMode=='CSS1Compat') ?
    documentElement.scrollTop : document.body.scrollTop);
}
 
*html .popup_block {
    position: absolute;
    top:expression(eval(document.compatMode &&
    document.compatMode=='CSS1Compat') ?
    documentElement.scrollTop
    +((documentElement.clientHeight-this.clientHeight)/2)
    : document.body.scrollTop
    +((document.body.clientHeight-this.clientHeight)/2));
	
    left:expression(eval(document.compatMode &&
    document.compatMode=='CSS1Compat') ?
    documentElement.scrollLeft 
    + (document.body.clientWidth /2 ) 
    : document.body.scrollLeft 
    + (document.body.offsetWidth /2 ));
}
 
/*--IE 6 PNG Fix--*/
 
img{ behavior: url(iepngfix.htc) }