function openImage(img, imgWidth, imgHeight) {
var screenWidth = screen.availWidth - 10;
var screenHeight = screen.availHeight - 25;
var topCenter = Math.round((screenHeight / 2) - (imgHeight / 2));
var leftCenter = Math.round((screenWidth / 2) - (imgWidth / 2));
if (topCenter < 0) {
topCenter = 0;
imgHeight = screenHeight;
} else {
imgHeight += 5;
}
if (leftCenter < 0) {
leftCenter = 0;
imgWidth = screenWidth;
} else {
imgWidth += 15;
}
var wnd = window.open('', '_blank',
"width=" + imgWidth + ", height=" + imgHeight + ","
+ "top=" + topCenter + ", left=" + leftCenter + ", toolbar=no, scrollbars=auto, menubar=no, status=no", true);
var s1 = "Elgraf" +
"" +
"";
var s2 = ""
+ "![]("+img+") | ";
var s3 = "
";
wnd.document.write(s1+s2+s3);
wnd.focus()
window.wnd = wnd;
}