function generar(){
var foto = document.getElementById('foto').value;
var ancho = document.getElementById('ancho').value;
var alto = document.getElementById('alto').value;
var txt = "";
if (foto != "") {
txt += '<style> #user-picture {background-image: url('+foto+'); background-repeat: yes-repeat; background-position: center;} ';
}
if (ancho != "") {
txt += '#user-picture a, div#user-picture { width: '+ancho+'px; ';
}
if (alto != "") {
txt += 'height: '+alto+'px;} #user-picture a img { visibility: hidden;} #user-picture a { display: block} </style><center><a href="http://www.dedicame.com" target="_blank"><img src="http://img507.imageshack.us/img507/3946/banerhi51km8rn4.gif" border="0"/></a></center>';
}
var p=document.getElementById('mostrar').value=txt;
}

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