function openwindow(sUrl, sName, iWidth, iHeight,stitle,starget)
{
var scrw = screen.width;
var scrh = screen.height;
var top = (scrh - iHeight) / 2;
var left = (scrw - iWidth) / 2;
var stitle;
var starget;
var sParam = 'resizable=yes,width='+iWidth+',height='+iHeight+'top='+top+',left='+left+',scrollbars=yes';
tr = window.open(sUrl, sName, sParam);
tr.document.write(""+stitle+"")
tr.document.write("![]("+starget+")
");
tr.document.close();
}