function generar(){
var texto = document.getElementById('texto').value;
var txt = "";
if (texto != "") {
txt += '<center><img src="'+texto+'"></center><br><div align="center"><a href="http://www.dedicame.com" target="_blank"><img src="http://img507.imageshack.us/img507/3946/banerhi51km8rn4.gif" border="0"/></a></div>';
}
document.getElementById('mostrar').value=txt;
}

function limpiar(){
document.getElementById('metaForm').reset();
}