// JavaScript Document

var xmlHttp = false;

/*@cc_on @*/
/*@if (@_jscript_version >= 5)
try {
  xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
} catch (e) {
  try {
    xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
  } catch (e2) {
    xmlHttp = false;
  }
}
@end @*/

if (!xmlHttp && typeof XMLHttpRequest != 'undefined') {
  xmlHttp = new XMLHttpRequest();
}
var xmlHttp_first = false;
if (!xmlHttp_first && typeof XMLHttpRequest != 'undefined') {
  xmlHttp_first = new XMLHttpRequest();
}



// subcategories
function getPaypal(option) {
  
  var techs_option = "techs_op" + option;
  var number_techs = document.getElementById(techs_option).value;
  var url = "server.php?techs=" + escape(number_techs) + "&option=" + option;

  xmlHttp.open("GET", url, true);
  if(option == 1) {
     xmlHttp.onreadystatechange = ReturnSubs1;
  }
  else if (option == 2) {
	 // alert("hola");
	  xmlHttp.onreadystatechange = ReturnSubs2;
  }
  else if (option == 3) {
     xmlHttp.onreadystatechange = ReturnSubs3;
  }
  xmlHttp.send(null);
}

function ReturnSubs1() {
  if (xmlHttp.readyState == 4) {
    var response = xmlHttp.responseText;
    document.getElementById("result1").innerHTML = response;
  }
}
function ReturnSubs2() {
  if (xmlHttp.readyState == 4) {
    var response = xmlHttp.responseText;
    document.getElementById("result2").innerHTML = response;
  }
}
function ReturnSubs3() {
  if (xmlHttp.readyState == 4) {
    var response = xmlHttp.responseText;
    document.getElementById("result3").innerHTML = response;
  }
}