function openpopup(popurl, w, h, sizable) {
/* ############################################################################## */
var ns4up = (document.layers) ? 1 : 0; // browser sniffer
var ie4up = (document.all) ? 1 : 0;
var ns6up = (document.getElementById&&!document.all) ? 1 : 0;
var doc_width = 768, doc_height = 1024;
if ( ns4up || ns6up ) {
doc_width = window.outerWidth;
doc_height = window.outerHeight;
} else if ( ie4up ) {
doc_width = document.body.clientWidth;
doc_height = document.body.clientHeight;
}
/* ############################################################################## */
if ( w < doc_width ) {
doc_width = w + 50;
}
if ( h < doc_height ) {
doc_height = h + 100;
}
str = 'width=' + doc_width + ',height=' + doc_height;
if ( sizable != true ) {
str = str + ',scrollbars=no,resizable=no,status=no';
} else {
str = str + ',scrollbars=yes,resizable=yes,status=yes';
}
mywindow = window.open ( '', '', str );
mywindow.focus;
mywindow.document.write('[ Close ]
![\"image\"](\"'+popurl+'\")
[ Close ]');
mywindow.document.close();
}