function openWindow(url,width,height,wleft,wtop)
{
if ((width > screen.width) || (height+25>screen.height)){
scrollbars = 'yes';
width = screen.width - 12;
height = screen.height - 68;
wleft = wtop = 0;
} else {
scrollbars = 'no';
wleft = wleft?wleft:(screen.width-width)/2;
wtop = wtop?wtop:(screen.height-height)/4;
}
return window.open(url,'wnd'+Math.floor( Math.random()*1000000 ),'width='+width+',height='+height+',status=no,menubar=no,resizable=yes,scrollbars='+scrollbars+',left='+wleft+',top='+wtop);
}
function showImage(url,width,height,title)
{
var wnd = openWindow('',width,height);
var html = '';
if (title) html += ''+title+'';
html += '';
html += '';
html += '
';
wnd.document.open();
wnd.document.write(html);
wnd.document.close();
}