function kameleon_popup_img(url, size_w, size_h, txt)
{
new_add_w = 10;
new_add_h = 29;
new_add_h = 57;
start_size_w = 150;
start_size_h = 100;
if (size_w!=null && size_h!=null) {
start_size_w = size_w;
start_size_h = size_h;
}
if (txt==null) txt='';
start_popup_left = Math.round((screen.availWidth-start_size_w)/2);
start_popup_top = Math.round((screen.availHeight-start_size_h)/2);
msg=open("","POPUP","toolbar=no,scrollbars=no,directories=no,menubar=no,status=no,width="+start_size_w+",height="+start_size_h+", top="+start_popup_top+", left="+start_popup_left+"");
msg.document.close();
msg.document.write(""+JSTITLE+"\n");
if (size_w==null && size_h==null) {
msg.document.write("\n");
}
msg.document.write("\n");
msg.document.write("\n");
msg.document.write("
"+JSWAIT+"\n");
msg.document.write("!["+JSCLOSE+"]("+url+")
\n");
msg.document.write('');
msg.document.write("\n");
msg.focus();
};