var please_wait = null;

function toggleTab(tab,numtabs) {
  document.getElementById("tabHeader1").className = ""; 
  document.getElementById("tabHeader2").className = ""; 
  document.getElementById("tabHeader3").className = "";
  document.getElementById("tabHeader4").className = "";
  document.getElementById("tabHeader5").className = "";
  document.getElementById("tabHeader6").className = "";
//  document.getElementById("tabHeader7").className = "";
  document.getElementById("tabHeader"+tab).className = "current";
} 


function open_url_div(url, source, target) {
 	if ( ! document.getElementById) {
  		return false;
 	}

 	if (please_wait != null) {
  		document.getElementById(target).innerHTML = please_wait;
 	}

 	if (window.ActiveXObject) {
  		link = new ActiveXObject("Microsoft.XMLHTTP");
 	} else if (window.XMLHttpRequest) {
  		link = new XMLHttpRequest();
 	}

 	if (link == undefined) {
  		return false;
 	}
 	link.onreadystatechange = function() { response(url, source, target); }
 	link.open("GET", url, true);
 	link.send(null);
}

function response(url, source, target) {
 	if (link.readyState == 4) {
    if(source != '') {
		  startIndex = link.responseText.indexOf('<div id="'+source+'"');
	    endIndex = link.responseText.indexOf('</div> <!-- '+source+' -->') +6;
      if(startIndex != -1 && endIndex != -1)
        targetText = link.responseText.substring(startIndex, endIndex); 
      else
        targetText = link.responseText;  
    }
    else {
        targetText = link.responseText;  
		}
	 	document.getElementById(target).innerHTML = (link.status == 200) ? targetText : "En feil har oppstått! Feilkode: " + link.status;
	}
}

function set_loading_message(msg) {
 	please_wait = msg;
}