function get_param(param_name)
{
	var page_search = self.location.search;
	var param_array = new Array();
	if(page_search.substr(0,1) == '?')
		page_search = page_search.substr(1, (page_search.length - 1));
	param_array = page_search.split('&');
	for(var i = 0; i < param_array.length; i++)
	{
		var this_param = param_array[i].split('=');
		if(this_param[0] == param_name)
		return this_param[1];
	}
	return "";
}

function eMailUs()
{
  window.open ("/cgi-bin/emailus.pl","emailFrame","height=400,width=550,location=no,menubar=no,resizable=yes,status=no,scrollbar=no");
}

var win=null;

function NewWindow(mypage,myname,w,h,pos,infocus){
	if(pos=="center"){myleft=(screen.width)?(screen.width-w)/2:100;mytop=(screen.height)?(screen.height-h)/2:100;}
	else if((pos!='center') || pos==null){myleft=0;mytop=20}
	settings="width=" + w + ",height=" + h + ",top=" + mytop + ",left=" + myleft + ",scrollbars=no,location=no,directories=no,status=no,menubar=no,toolbar=no,resizable=no";win=window.open(mypage,myname,settings);
}

// Kurs-Fragen
function checkform()
{
var error = 0;
var fragen = new Array();
var i = 0;
var o = 0;
var namelang = 0;
var wieviel = 0;
var feldname = 0;
var formcount = 1;
for(i=0;i<document.forms[formcount].elements.length;i++)
  {
    if(document.forms[formcount].elements[i].type == "text")
      {
        if(document.forms[formcount].elements[i].value == "")
          {
            error = 1;
          }
      }
    if(document.forms[formcount].elements[i].type == "checkbox")
      {
        if(document.forms[formcount].elements[i].checked == false)
          {
            error = 1;
          }
      }
    else if(document.forms[formcount].elements[i].type == "radio")
      {
        if(document.forms[formcount].elements[i].checked)
          {
            namelang = document.forms[formcount].elements[i].name.length;
            feldname = document.forms[formcount].elements[i].name.substring(5,namelang);
            parseInt(feldname);
            if(fragen[feldname] != true)
              {
                fragen[feldname] = document.forms[formcount].elements[i].checked;
              }
          }
      }
  }

for(i=1;i<fragen.length;i++)
  {
    if(fragen[i] != true)
      {
        error = 1;
//      alert(fragen[i] + " " + i);
      }
  }
if(error == 1)
  {
    alert("Bitte füllen Sie alles aus!");
//  document.forms[0].target = "";
  }
else
  {
//  document.forms[0].target = "";
    document.forms[formcount].submit();
  }
}