function ResizeToFit(dlg, picHeight, picWidth) {
 var imgWidth;
 var imgHeight;
 
 
 
var lef = (window.screen.width-550)/2;
var to = (window.screen.height-500)/2;

 imgWidth =555;
 imgHeight = 570;
 dlg.resizeTo(imgWidth, imgHeight);
}

function popupImage(img, name, width, height){

 features = 
    "toolbar=no,location=no,directories=no,status=no,menubar=no,,left='+lef+',top='+to" +
    "scrollbars=yes,resizable=yes,width=" + width + ",height=" + height;
 dlg = window.open ("","Details",features);
 dlg.document.write("<html><head><title></title><link type=\"text/css\" rel=\"stylesheet\" href=\"http://yostmfg.com.p2.hostingprod.com/ystore/css/style.css\" /></head>");
 dlg.document.write("<body onLoad=\"javascript:opener.ResizeToFit(self, picImg.height, picImg.width);\">");
 dlg.document.write("<table width=\"550\" border=\"0\" align=\"center\" cellpadding=\"0\" cellspacing=\"0\"><tr><td style=\"background: url(http://yostmfg.com.p2.hostingprod.com/ystore/images/bg-enlarge.jpg) repeat-x; padding:7px 18px 17px 18px;\"><table width=\"514\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\"><tr><td align=\"left\" valign=\"top\" style=\"background:url(http://yostmfg.com.p2.hostingprod.com/ystore/images/bg-curve.jpg) no-repeat left;\"><table width=\"514\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\"> <tr><td width=\"182\" style=\"padding:11px 0 6px 10px;\"><img src=\"http://yostmfg.com.p2.hostingprod.com/ystore/images/sml-logo.jpg\" width=\"172\" height=\"47\" border=\"0\" /></td>        <td width=\"332\" align=\"right\" valign=\"top\" style=\"padding:0 8px 0 0;\"><a href=\"#\" onclick=\"javascript:window.close();\"><img src=\"http://yostmfg.com.p2.hostingprod.com/ystore/images/close-btn.jpg\" width=\"58\" height=\"22\" border=\"0\" /></a></td>      </tr>    </table></td>  </tr>  <tr>    <td height=\"27\" style=\"background:#2b2b2b; text-align:right; font-size:14px; color:#fff; font-family:Arial, Helvetica, sans-serif; padding:6px 13px 5px 0px;\">" + name +"</td>  </tr>  <tr>    <td align=\"center\" valign=\"middle\" height=\"365\" style=\"background:#fff; padding:10px;\"><img name=\"picImg\" src=" + img + " /></td>  </tr></table></td></tr></table></body></html>");
 dlg.document.close();
}