document.addEventListener('DOMContentLoaded', function () {

   const id_curso = getAllUrlParams().id;
   //alert( curso );
   var element = document.getElementById('mis-cursos');

   if (typeof (element) != undefined && typeof (element) != null && typeof (element) != 'undefined') {


         var arr = [];
         var salida = '<div class="media-body"><b>Mis cursos</b></div><ul>';
         for (var i = 0; i < arr.length; i++){
              //document.write("<br><br>array index: " + i);
	      var obj = arr[i];
              var cursoid = "";
              var nombrecurso = "";
              for (var key in obj){
                    var value = obj[key];
		    //document.write("<br> - " + key + ": " + value);
		    if ( key == "id" )
                         cursoid = value;
                    if ( key == "nombre" )
                         nombrecurso = value;
	      }

              if ( cursoid == id_curso ){
                      salida = salida + '<li style="list-style-type: none; color: gray;"><b>' + nombrecurso + '</b></li>';
              }
              else{
                      salida = salida + '<li style="list-style-type: none;"><a href="/course/view.php?id=' + cursoid + '">' + nombrecurso + '</a></li>';
              }
         }
   

         document.querySelector('#mis-cursos').innerHTML = salida + '</ul>';

  }
}, false);




function getAllUrlParams(url) {

  // get query string from url (optional) or window
  var queryString = url ? url.split('?')[1] : window.location.search.slice(1);

  // we'll store the parameters here
  var obj = {};

  // if query string exists
  if (queryString) {

    // stuff after # is not part of query string, so get rid of it
    queryString = queryString.split('#')[0];

    // split our query string into its component parts
    var arr = queryString.split('&');

    for (var i = 0; i < arr.length; i++) {
      // separate the keys and the values
      var a = arr[i].split('=');

      // set parameter name and value (use 'true' if empty)
      var paramName = a[0];
      var paramValue = typeof (a[1]) === 'undefined' ? true : a[1];

      // (optional) keep case consistent
      paramName = paramName.toLowerCase();
      if (typeof paramValue === 'string') paramValue = paramValue.toLowerCase();

      // if the paramName ends with square brackets, e.g. colors[] or colors[2]
      if (paramName.match(/\[(\d+)?\]$/)) {

        // create key if it doesn't exist
        var key = paramName.replace(/\[(\d+)?\]/, '');
        if (!obj[key]) obj[key] = [];

        // if it's an indexed array e.g. colors[2]
        if (paramName.match(/\[\d+\]$/)) {
          // get the index value and add the entry at the appropriate position
          var index = /\[(\d+)\]/.exec(paramName)[1];
          obj[key][index] = paramValue;
        } else {
          // otherwise add the value to the end of the array
          obj[key].push(paramValue);
        }
      } else {
        // we're dealing with a string
        if (!obj[paramName]) {
          // if it doesn't exist, create property
          obj[paramName] = paramValue;
        } else if (obj[paramName] && typeof obj[paramName] === 'string'){
          // if property does exist and it's a string, convert it to an array
          obj[paramName] = [obj[paramName]];
          obj[paramName].push(paramValue);
        } else {
          // otherwise add the property
          obj[paramName].push(paramValue);
        }
      }
    }
  }

  return obj;
}