function open_picture_window(location,picWidth,picHeight,comment)
{
picWidth = 600;
picHeight = 600;
var closeMsg = "close";
if (picWidth < 100) {picWidth = 100} if (picHeight < 100) {picHeight = 100} availHeight = screen.height;
availWidth = screen.width; if (availHeight < picHeight) {posTop = 0;
}
else {posTop = (availHeight - picHeight)/5;
}
if (availWidth < picWidth) {posLeft = 0;
}
else
{
posLeft = (availWidth - picWidth)/10;
}
picfile = new Image();
picfile.src =(location);
picWidth = picfile.width;
picHeight = picfile.height;
var scrollbar = 0;
if (picWidth > 601)
{
scrollbar = 1;
}
if (picHeight > 601)
{
scrollbar = 1;
}
atts = "width=600,height=600,directories=0,location=0,menubar=0,resizable=1,scrollbars=1,status=0,toolbar=0,top=" + posTop + ",left=" + posLeft;
win4Pic = window.open('','win4Pic',atts);
win4Pic.document.open();
win4Pic.document.write("" + comment + "");
win4Pic.document.close();
}