function printit(){  
if (NS) {
    window.print() ;  
} else {
    var WebBrowser = '<OBJECT ID="WebBrowser1" WIDTH=0 HEIGHT=0 CLASSID="CLSID:8856F961-340A-11D0-A96B-00C04FD705A2">/OBJECT>';
document.body.insertAdjacentHTML('beforeEnd', WebBrowser);
    WebBrowser1.ExecWB(6, 2);
WebBrowser1.outerHTML = "";  
}
}
var NS = (navigator.appName == "Netscape");
var VERSION = parseInt(navigator.appVersion);
if (VERSION > 3) {
    document.write('<a href="#" onclick="printit()"><img src="/imagenes/print-ico.gif" alt="Pulsa aquí para imprimir esta página" width="22" height="22" border=0></a>');        
}