function popUp(URL) {
day = new Date();
ad = day.getTime();
eval("page" + ad + " = window.open(URL, '" + ad + "', 'toolbar=no,scrollbars=0,location=0,statusbar=0,status=0,menubar=0,resizable=0,width=330,height=250,left = 150,top = 0');");
}
function popUp1(URL) {
day = new Date();
ad = day.getTime();
eval("page" + ad + " = window.open(URL, '" + ad + "', 'toolbar=no,scrollbars=0,location=0,statusbar=0,status=0,menubar=0,resizable=0,width=660,height=160,left = 250,top = 0');");
}
function popUp2(URL) {
day = new Date();
ad = day.getTime();
eval("page" + ad + " = window.open(URL, '" + ad + "', 'toolbar=si,scrollbars=1,location=0,statusbar=0,status=0,menubar=0,resizable=si,width=550,height=400,left = 250,top = 0');");
}
function minimo() {
  if (document.form1.q.value.length<3) {alert("Debes introducir un minimo de 3 letras para realizar una busqueda.");return false}
else {return true}
}