function Imprimir(strid, titulo)
{
 var prtContent = document.getElementById(strid);
 var WinPrint = window.open('','','letf=0,top=0,width=700,height=500,toolbar=0,scrollbars=1,status=0');

 if(titulo) WinPrint.document.write("<div align = 'center'> <font size='4' face='Verdana, Arial, Helvetic, sans-serif'>" + titulo + "</font></div><br>");
 
 WinPrint.document.write("<div align = 'justify'>");
 WinPrint.document.write(prtContent.innerHTML);
  WinPrint.document.write("</div>");
 
 	WinPrint.document.close();
 	WinPrint.focus();
 	WinPrint.print();
 	//WinPrint.close();
 	prtContent.innerHTML = strOldOne;
}