function modalWin(window_url,width,height) {
leftVal = (screen.width - width) / 2;
topVal = ( screen.height - height ) / 2;

if (window.showModalDialog) {
window.showModalDialog(window_url,"name",
"dialogWidth:"+width+"px;dialogHeight:"+height+"px;resizable:0;scroll:0;dialogleft:"+leftVal+";dialogtop:"+topVal+"; status:no;toolbar:no;scrollbars:no ");
} else {
//alert("old");
window.open(window_url,'name', 'height='+height+',width='+width+',left='+leftVal+',top='+topVal+'address=no,toolbar=no,directories=no,status=no,linemenubar=no,scrollbars=no,resizable=no ,modal=yes');
}
}