function jsRingNavn()
	{
		document.getElementById('navn').value='';
		document.getElementById('navn').style.color='#000000';
	}

function jsRingNummer()
	{
		document.getElementById('nummer').value='';
		document.getElementById('nummer').style.color='#000000';
	}

var xmlHttp

function jsNextCourse(str, nr)
{ 
xmlHttp=GetXmlHttpObject()
if (xmlHttp==null)
 {
 alert ("Browser does not support HTTP Request")
 return
 } 
var url="ajax_next_course.php"
url=url+"?course_type="+str
url=url+"&nr="+nr
url=url+"&sid="+Math.random()
xmlHttp.onreadystatechange=stateChanged 
xmlHttp.open("GET",url,true)
xmlHttp.send(null)
}

function jsNextCourseList(nr)
{ 
xmlHttp=GetXmlHttpObject()
if (xmlHttp==null)
 {
 alert ("Browser does not support HTTP Request")
 return
 } 
var url="ajax_next_course_list.php"
url=url+"?nr="+nr
url=url+"&sid="+Math.random()
xmlHttp.onreadystatechange=stateChanged 
xmlHttp.open("GET",url,true)
xmlHttp.send(null)
}


function jsOrderCourse(str,name)
{ 
xmlHttp=GetXmlHttpObject()
if (xmlHttp==null)
 {
 alert ("Browser does not support HTTP Request")
 return
 } 
var url="ajax_bestilling.php"
url=url+"?id="+str
url=url+"&course_number="+name
url=url+"&sid="+Math.random()
xmlHttp.onreadystatechange=stateChanged 
xmlHttp.open("GET",url,true)
xmlHttp.send(null)
}


function stateChanged() 
{ 
 if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
 {
 document.getElementById("content").innerHTML=xmlHttp.responseText 
 } 
}function GetXmlHttpObject()
{
var xmlHttp=null;try
 {
 // Firefox, Opera 8.0+, Safari
 xmlHttp=new XMLHttpRequest();
 }
catch (e)
 {
 // Internet Explorer
 try
  {
  xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
  }
 catch (e)
  {
  xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
  }
 }
return xmlHttp;
}


function jsAvbestill()
{ 
xmlHttp=GetXmlHttpObject()
if (xmlHttp==null)
 {
 alert ("Browser does not support HTTP Request")
 return
 } 
var nr=document.getElementById('nummer').value
var id=document.getElementById('navn').value
var url="ajax_avbestilling.php"
url=url+"?mobile="+nr
url=url+"&id="+id
url=url+"&sid="+Math.random()
xmlHttp.onreadystatechange=done 
xmlHttp.open("GET",url,true)
xmlHttp.send(null)
}

var http_request = false;

   function makeRequest(url, parameters) {
      http_request = false;
      if (window.XMLHttpRequest) { // Mozilla, Safari,...
         http_request = new XMLHttpRequest();
         if (http_request.overrideMimeType) {
         	// set type accordingly to anticipated content type
            //http_request.overrideMimeType('text/xml');
            http_request.overrideMimeType('text/html');
         }
      } else if (window.ActiveXObject) { // IE
         try {
            http_request = new ActiveXObject("Msxml2.XMLHTTP");
         } catch (e) {
            try {
               http_request = new ActiveXObject("Microsoft.XMLHTTP");
            } catch (e) {}
         }
      }
      if (!http_request) {
         alert('Cannot create XMLHTTP instance');
         return false;
      }
      http_request.onreadystatechange = alertContents;
      http_request.open('GET', url + parameters, true);
      http_request.send(null);
   }
  
function alertContents() {
      if (http_request.readyState == 4) {
         if (http_request.status == 200) {
            //alert(http_request.responseText);
            result = http_request.responseText;
            document.getElementById('user_info').innerHTML = result;            
         } else {
            alert('There was a problem with the request.');
         }
      }
   }


function jsAvbestill_done(count)
{ 
/*
var getstr = "?";
      for (i=0; i<obj.childNodes.length; i++) {
		  if (obj.childNodes[i].type == "checkbox") {
               if (obj.childNodes[i].checked) {
				   alert("if");
                  getstr = getstr + obj.childNodes[i].name + "=" + obj.childNodes[i].value + "&";
               } else {
				   alert("else");
                  getstr += obj.childNodes[i].name + "=&";
               }
            }
 	}
makeRequest('ajax_avbestilling_done.php', getstr);
 */
var count=count;
var i=0;
var student = document.getElementById('student').value;
var url="ajax_avbestilling_done.php?";
while (i<count)
	{
		i++;
		var test="course"+i;
		if(document.getElementById(test).checked)
			{
			var kurs=document.getElementById(test).value;
			url=url+"course"
			url=url + i
			url=url +"="
			url=url +kurs +"&"
			}		
	}
url=url + "count=" +count + "&student=" + student
xmlHttp.onreadystatechange=done 
xmlHttp.open("GET",url,true)
xmlHttp.send(null)
}


function done() 
{ 
 if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
 {
 document.getElementById("user_info").innerHTML=xmlHttp.responseText 
 } 
}function GetXmlHttpObject()
{
var xmlHttp=null;try
 {
 // Firefox, Opera 8.0+, Safari
 xmlHttp=new XMLHttpRequest();
 }
catch (e)
 {
 // Internet Explorer
 try
  {
  xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
  }
 catch (e)
  {
  xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
  }
 }
return xmlHttp;
}

function jsShowReadMore(course)
	{
		xmlHttp=GetXmlHttpObject()
		if (xmlHttp==null)
 		{
	 	alert ("Browser does not support HTTP Request")
 		return
 		} 
	var course=course;
	var url="ajax_les_mer.php?";
	var w=screen.width;
	var h=screen.height-150;
	var h2=h/2;
	var h3=h2/2;
	var w2=w/2;
	url=url + "course=" +course
	/*alert(url);*/
	document.getElementById('lesmer').style.visibility='visible';
	document.getElementById('lesmer_top').style.visibility='visible';
/*	document.getElementById('gray').width=screen.availWidth;
	document.getElementById('gray').height=screen.availHeight;*/
	document.getElementById('gray').style.width=w-15;
	document.getElementById('gray').style.height=h*2;
	document.getElementById('gray').style.visibility='visible';
/*	alert("Width:"+document.getElementById('gray').width+"Height:"+document.getElementById('gray').height);*/
	xmlHttp.onreadystatechange=readmoredone 
	xmlHttp.open("GET",url,true)
	xmlHttp.send(null)
	}
	
function readmoredone() 
{ 
 if(xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
 {
 document.getElementById("lesmer").innerHTML=xmlHttp.responseText 
 } 
}
function GetXmlHttpObject()
{
var xmlHttp=null;try
 {
 // Firefox, Opera 8.0+, Safari
 xmlHttp=new XMLHttpRequest();
 }
catch (e)
 {
 // Internet Explorer
 try
  {
  xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
  }
 catch (e)
  {
  xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
  }
 }
return xmlHttp;
}