function createRequestObject() {

   var req;

   if(window.XMLHttpRequest){
      // Firefox, Safari, Opera...
      req = new XMLHttpRequest();
   } else if(window.ActiveXObject) {
      // Internet Explorer 5+
      req = new ActiveXObject("Microsoft.XMLHTTP");
   } else {
      // There is an error creating the object,
      // just as an old browser is being used.
      alert('Problem creating the XMLHttpRequest object');
   }

   return req;

}

// Make the XMLHttpRequest object
var http = createRequestObject();
var act2;
var tegund2;

function sendRequest(act,tegund) {

tegund2 = tegund;

   act2 = act;
   
   http.open('get', 'word_count.php?sida='+act);
   http.onreadystatechange = handleResponse;
   http.send(null);

}

function handleResponse() {

//    alert (act2);

   if(http.readyState == 4 && http.status == 200){

      // Text returned FROM the PHP script
      var response = http.responseText;

      if(response) {
         // UPDATE ajaxTest content

		
		out = "+"; // replace this
		add = " "; // with this
		temp = "" + response; // temporary holder

		while (temp.indexOf(out)>-1) {
		pos= temp.indexOf(out);
		temp = "" + (temp.substring(0, pos) + add + 
		temp.substring((pos + out.length), temp.length));
		}
		response=temp;
		
    //alert (act2);
    divid = "ajax";
    //alert (divid);
    
		response = unescape(response);
    s= "Fjöldi orða: "+response;
    s=s+ "<br>Áætlað verð: 2 kr * " + response*2;
    //s=s+"<br>(Þó er lágmarksgjald 1500 kr.)";
    t = parseInt(document.getElementById('verdhingadtil').innerHTML) + parseInt(response*2);
    if (t<1500){s=s+"<br><br><b>Verð alls: 1500</b>";}
    else {s=s+"<br><br><b>Verð alls: "+t+"</b>";}
    
    //alert(document.leitarform.hakbox.value);
    if (document.leitarform.textabox.value.length>30)
    {
    document.getElementById('ajax_fyrirsogn').innerHTML = document.leitarform.textabox.value.substring(0,25)+"...";
    }
    
    else
    {
    document.getElementById('ajax_fyrirsogn').innerHTML = document.leitarform.textabox.value;
    }
    
    
    document.getElementById('verdhingadtil').innerHTML = t;
    document.getElementById('sidurhingadtil').innerHTML = document.getElementById('sidurhingadtil').innerHTML+ document.leitarform.textabox.value+ " ("+response+" orð) <br> " ;
    document.getElementById(divid).innerHTML = s;
      }

   }

}


function getQueryVariable(variable) {
var query = window.location.search.substring(1);
var vars = query.split("&");
for (var i=0;i<vars.length;i++) {
var pair = vars[i].split("=");
if (pair[0] == variable) {
return pair[1];
}
}
alert('Query Variable ' + variable + ' not found');
}