var G_baseref = "http://johncipollina.com/cgi-bin/gallery.cgi";
var G_galleryRH = 200; // pixels reserved for gallery document template above and below image
var G_galleryRW = 52;
var G_galleryMinWidth = 620;
var G_defaultRH = 16; // spacing around image
var G_defaultRW = 16;
var G_thisRH = 16;
var G_thisRW = 16;
var G_viewSize = 80; // default window size is 80% of available
// *************************************************************
function GetWinOpts(picHeight,picWidth,minWidth,size,fittosize) {
var iLeft = 2;
var iTop = 2;
var aname = navigator.appName;
var aplat = navigator.platform;
var iH = window.screen.availHeight - 32;
var iW = window.screen.availWidth - 8;
var i = 0;
var pH = picHeight;
var pW = picWidth;
var info = new Array(7);
iH = iH - (2 * iTop);
iW = iW- (2 * iLeft);
if ( (size > 0) && (size < 100) ) {
iH = (iH / 100) * size;
iW = (iW / 100) * size;
}
// IE (Mac and Win) - seems to need a height adjust from maximum
// IE/Win shows vert scrollbars
if (aname.search("Internet Explorer") != -1) {
if (aplat.search("Win32") != -1) {
G_thisRH = G_thisRH + 16;
G_thisRW = G_thisRW + 26;
}
else {
G_thisRH = G_thisRH + 48;
G_thisRW = G_thisRW - 6;
}
}
// auto mode, create the smallest window that will accomodate the given image size
// and resize image if necessary to fit
if (fittosize > 0) {
if ( (pH > 0) && (pW > 0) ) {
if ( (pH + G_thisRH) > iH ) {
pW = ((iH - G_thisRH) / pH) * pW;
pH = iH - G_thisRH;
}
if ( (pW + G_thisRW) > iW ) {
pH = ((iW - G_thisRW) / pW) * pH;
pW = iW - G_thisRW;
}
iH = pH + G_thisRH;
iW = pW + G_thisRW;
}
}
if (iW < minWidth) { iW = minWidth; }
iH = Math.round(iH);
iW = Math.round(iW);
pH = Math.round(pH);
pW = Math.round(pW);
info[0] = "Height="+iH+",Width="+iW+",screenX="+iLeft+",screenY="+iTop+",scrollbars=yes,resizable=yes";
info[1] = iH;
info[2] = iW;
info[3] = iLeft;
info[4] = iTop;
info[5] = pH;
info[6] = pW;
return info;
}
// *************************************************************
function StartGallery(name,size) {
var target = G_baseref + "?gallery=" + name + "&imgno=1&winsize="+G_viewSize;
var info;
var i = 0;
var newWin;
G_thisRH = G_defaultRH;
G_thisRW = G_defaultRW;
info = GetWinOpts(0,0,G_galleryMinWidth,size,0);
newWin = window.open("","",info[0]);
newWin.document.write("Loading...");
newWin.document.write("Gallery now loading ...");
newWin.document.write("");
newWin.document.close;
newWin.moveTo(info[4],info[3]); // IE does not always honor screenX,screenY
newWin.resizeTo(info[2],info[1]);
i = info[1] - G_galleryRH;
target += "&maxheight="+ i;
i = info[2] - G_galleryRW;
target += "&maxwidth="+ i;
newWin.location = target;
}
// *************************************************************
function GetGallery(func) {
var target = G_baseref + "?gallery=" + document.theform.gallery.value;
var ino = Number(document.theform.imgno.value);
var icnt = Number(document.theform.imgcnt.value);
var info;
var i;
if (func == 'resize') {
if ( (document.theform.winsize.value > 39) && (document.theform.winsize.value <= 100) ) {
info = GetWinOpts(0,0,G_galleryMinWidth,document.theform.winsize.value,0);
target += "&winsize="+ document.theform.winsize.value;
i = info[1] - G_galleryRH;
target += "&maxheight="+ i;
i = info[2] - G_galleryRW;
target += "&maxwidth="+ i;
target += "&imgno=" + ino;
window.resizeTo(info[2],info[1]);
window.location = target;
return false;
}
else {
document.theform.winsize.value = G_viewSize;
alert("Window size must be between 40 amd 100");
return false;
}
}
if (func == 'prev') {
if (ino > 1) { ino--; }
else {
alert("This is the first image in the gallery");
return false;
}
}
else {
if (ino < icnt) { ino++; }
else {
alert("This is the last image in the gallery");
return false;
}
}
target += "&winsize="+ document.theform.winsize.value;
target += "&imgno=" + ino + "&maxheight=" + document.theform.maxheight.value +
"&maxwidth=" + document.theform.maxwidth.value;
window.location = target;
return false;
}
// *************************************************************
function doFull(fname,picHeight,picWidth) {
var info;
var newWin;
info = GetWinOpts(picHeight,picWidth,0,G_viewSize,1);
newWin = window.open("","",info[0]);
newWin.document.write("Full View");
newWin.document.write("");
newWin.document.write("![]("+fname+")
");
newWin.document.close;
return false;
}