document.write('<a href="javascript:savePageAsPDF()"><img src="/imagens/pdf.gif" border="0" target="_blank"> salvar com pdf</a>');

function savePageAsPDF()
{
 var sUriRequest = "";

 sUriRequest = "author_id=" + authorId;
 sUriRequest += "&page=" + pageOrientation;
 sUriRequest += "&top=" + topMargin;
 sUriRequest += "&bottom=" + bottomMargin;
 sUriRequest += "&left=" + leftMargin;
 sUriRequest += "&right=" + rightMargin;

 var pURL = "http://savepageaspdf.pdfonline.com/pdfonline/pdfonline.asp?cURL=" + escape(document.location.href + '?nolayout=true') + "&" + sUriRequest;
 window.open(pURL, "PDFOnline", "scrollbars=yes,resizable=yes,width=640,height=480,menubar,toolbar,location");
}