var isFlat = false;
function Is() {
 var agent = navigator.userAgent.toLowerCase();
 this.major = parseInt(navigator.appVersion);
 this.minor = parseFloat(navigator.appVersion);
 this.ns = ((agent.indexOf('mozilla')!=-1) && ((agent.indexOf('spoofer')==-1) && (agent.indexOf('compatible') == -1)));
 this.ns2 = (this.ns && (this.major == 2));
 this.ns3 = (this.ns && (this.major == 3));
 this.ns4 = (this.ns && (this.major == 4));
 this.ns5 = (this.ns && (this.major > 4));
 this.ie = (agent.indexOf("msie") != -1);
 this.ie3 = (this.ie && (this.major == 2));
 this.ie4 = (this.ie && (this.major >= 4));
 this.op3 = (agent.indexOf("opera") != -1);
 this.pc  = (agent.indexOf("win") != -1);

 if (!(this.ie4 || this.ns5)) {
  isFlat = true;
 }
}

var is = new Is()

if (is.ie)
 if (is.pc)
  document.write("<link rel='stylesheet' href='/css/estilosie.css' type='text/css'>");
 else
  document.write("<link rel='stylesheet' href='/css/estilosie.css' type='text/css'>");
if (is.ns4) { 
 if (is.pc) {
  document.write("<link rel='stylesheet' href='/css/estilos.css' type='text/css'>");
 } else { 
  document.write("<link rel='stylesheet' href='/css/estilos.css' type='text/css'>");
 }
}
if (is.ns5) 
 if (is.pc) 
  document.write("<link rel='stylesheet' href='/css/estilos.css' type='text/css'>");

// popup
var _js12 = false;
var winHeight=0;