body {
height:100%;
}

#blanket {
background-color:#111;
opacity: 0.65;
filter:alpha(opacity=65);
position:fixed; /* <– changed position from absolute to fixed */
z-index: 9001;
top:0px;
left:0px;
width:100%;
height:100% /* <– added height */
}

#popUpDiv {
position:absolute;
color:white;
background-color:#000000;
width:1282px;
height:830px;
border:14px solid #000000;
padding: 0px;
z-index: 9002;
}

#popUpDiv2 {
position:absolute;
color:white;
background-color:#000000;
width:1282px;
height:830px;
border:14px solid #000000;
padding: 0px;
z-index: 9002;
}

#popUpDiv3 {
position:absolute;
color:white;
background-color:#000000;
width:1282px;
height:830px;
border:14px solid #000000;
padding: 0px;
z-index: 9002;
}

#popUpDiv4 {
position:absolute;
color:white;
background-color:#000000;
width:1282px;
height:830px;
border:14px solid #000000;
padding: 0px;
z-index: 9002;
}

#popUpDiv5 {
position:absolute;
color:white;
background-color:#000000;
width:1282px;
height:830px;
border:14px solid #000000;
padding: 0px;
z-index: 9002;
}

#popUpDiv6 {
position:absolute;
color:white;
background-color:#000000;
width:1282px;
height:830px;
border:14px solid #000000;
padding: 0px;
z-index: 9002;
}

#popUpDiv7 {
position:absolute;
color:white;
background-color:#000000;
width:1282px;
height:830px;
border:14px solid #000000;
padding: 0px;
z-index: 9002;
}

#popUpDiv8 {
position:absolute;
color:white;
background-color:#000000;
width:1282px;
height:830px;
border:14px solid #000000;
padding: 0px;
z-index: 9002;
}

#popUpDiv9 {
position:absolute;
color:white;
background-color:#000000;
width:1282px;
height:830px;
border:14px solid #000000;
padding: 0px;
z-index: 9002;
}

#popUpDiv10 {
position:absolute;
color:white;
background-color:#000000;
width:1282px;
height:830px;
border:14px solid #000000;
padding: 0px;
z-index: 9002;
}

#popUpDiv11 {
position:absolute;
color:white;
background-color:#000000;
width:1282px;
height:830px;
border:14px solid #000000;
padding: 0px;
z-index: 9002;
}

#popUpDiv12 {
position:absolute;
color:white;
background-color:#000000;
width:1282px;
height:830px;
border:14px solid #000000;
padding: 0px;
z-index: 9002;
}

#popUpDiv13 {
position:absolute;
color:white;
background-color:#000000;
width:1282px;
height:830px;
border:14px solid #000000;
padding: 0px;
z-index: 9002;
}

#popUpDiv14 {
position:absolute;
color:white;
background-color:#000000;
width:1282px;
height:830px;
border:14px solid #000000;
padding: 0px;
z-index: 9002;
}

#popUpDiv15 {
position:absolute;
color:white;
background-color:#000000;
width:1282px;
height:830px;
border:14px solid #000000;
padding: 0px;
z-index: 9002;
}

#popUpDiv16 {
position:absolute;
color:white;
background-color:#000000;
width:1282px;
height:830px;
border:14px solid #000000;
padding: 0px;
z-index: 9002;
}

#popUpDiv17 {
position:absolute;
color:white;
background-color:#000000;
width:1282px;
height:830px;
border:14px solid #000000;
padding: 0px;
z-index: 9002;
}

#popUpDiv18 {
position:absolute;
color:white;
background-color:#000000;
width:1282px;
height:830px;
border:14px solid #000000;
padding: 0px;
z-index: 9002;
}

#popUpDiv19 {
position:absolute;
color:white;
background-color:#000000;
width:1282px;
height:830px;
border:14px solid #000000;
padding: 0px;
z-index: 9002;
}

#popUpDiv20 {
position:absolute;
color:white;
background-color:#000000;
width:1282px;
height:830px;
border:14px solid #000000;
padding: 0px;
z-index: 9002;
}