function SetOpacity(divid, opacityAsInt)
 {
    var elem = document.getElementById(divid);
    var opacityAsDecimal = opacityAsInt;
     
     if (opacityAsInt > 100)
         opacityAsInt = opacityAsDecimal = 100; 
     else if (opacityAsInt < 0)
         opacityAsInt = opacityAsDecimal = 0; 
     
    opacityAsDecimal /= 100;
    if (opacityAsInt < 1)
        opacityAsInt = 1; // IE7 bug, text smoothing cuts out if 0
    
    elem.style.opacity = (opacityAsDecimal);
    elem.style.filter  = "alpha(opacity=" + opacityAsInt + ")";
}

function showdeadcenterdiv(divid, photo) {

var newImg = new Image();
newImg.src = photo;
var Yheight = newImg.height;
var Xwidth = newImg.width;

// First, determine how much the visitor has scrolled

var scrolledX, scrolledY;
if( self.pageYOffset ) {
scrolledX = self.pageXOffset;
scrolledY = self.pageYOffset;
} else if( document.documentElement && document.documentElement.scrollTop ) {
scrolledX = document.documentElement.scrollLeft;
scrolledY = document.documentElement.scrollTop;
} else if( document.body ) {
scrolledX = document.body.scrollLeft;
scrolledY = document.body.scrollTop;
}

// Next, determine the coordinates of the center of browser's window

var centerX, centerY;
if( self.innerHeight ) {
centerX = self.innerWidth;
centerY = self.innerHeight;
} else if( document.documentElement && document.documentElement.clientHeight ) {
centerX = document.documentElement.clientWidth;
centerY = document.documentElement.clientHeight;
} else if( document.body ) {
centerX = document.body.clientWidth;
centerY = document.body.clientHeight;
}

// Xwidth is the width of the div, Yheight is the height of the
// div passed as arguments to the function:
Xwidth = Xwidth + 17; // moj flip 
var leftOffset = scrolledX + (centerX - Xwidth) / 2;
var topOffset = scrolledY + (centerY - Yheight) / 2;

// The initial width and height of the div can be set in the
// style sheet with display:none; divid is passed as an argument to // the function
var o=document.getElementById(divid);
var r=o.style;
r.position='absolute';
r.top = topOffset + 'px';
r.left = leftOffset + 'px';
r.display = "block";
loadPhoto(photo);
document.getElementById('opacity').style.display='block';
SetOpacity('opacity', 60);
}

function hidePhoto(divid) {
  document.getElementById(divid).style.display = 'none';
  document.getElementById('opacity').style.display = 'none';
} 

function loadPhoto(photo) {
  document.getElementById('photo').src = photo;
}