function Get_Cookie(name) { 
var start = document.cookie.indexOf(name+"="); 
var len = start+name.length+1; 
if ((!start) && (name != document.cookie.substring(0,name.length))) return null; 
if (start == -1) return null; 
var end = document.cookie.indexOf(";",len); 
if (end == -1) end = document.cookie.length; 
return unescape(document.cookie.substring(len,end)); 
} 

function Set_Cookie(name,value,expires,path,domain,secure) { 
var cookieString = name + "=" +escape(value) + 
( (expires) ? ";expires=" + expires.toGMTString() : "") + 
( (path) ? ";path=" + path : "") + 
( (domain) ? ";domain=" + domain : "") + 
( (secure) ? ";secure" : ""); 
document.cookie = cookieString; 
} 

function Delete_Cookie(name,path,domain) { 
if (Get_Cookie(name)) document.cookie = name + "=" + 
( (path) ? ";path=" + path : "") + 
( (domain) ? ";domain=" + domain : "") + 
";expires=Thu, 01-Jan-70 00:00:01 GMT"; 
} 

var today = new Date(); 
var zero_date = new Date(0,0,0); 
today.setTime(today.getTime() - zero_date.getTime()); 
var cookie_expire_date = new Date(today.getTime() + (8 * 7 * 86400000)); 

function setVisitorID() { 
if (Get_Cookie('VisitorID')) { 
var VisitorID = Get_Cookie('VisitorID'); 
}else{ 
Set_Cookie('VisitorID',Math.random(),cookie_expire_date); 
} 
} 

function setSessionID() { 
if (!Get_Cookie('SessionID')) 
Set_Cookie('SessionID',Math.random()*10000000000000000000); 
} 

var loaded_script = true; 

function GoTarget(client, elementname, action) {
  if (client == ""){
    alert("Client niet gespecificeerd!");
  }
  if (elementname == ""){
    alert("Framenaam niet gespecificeerd!");
  }
  if (top.frames[1]){
    // Find elementname in collection of frames
    if (top.frames[elementname]){
	top.frames[elementname].location.href = 'http://demo.alacs.nl?client='+client+'&action='+action+'&SSID='+Get_Cookie('SessionID');
    } else{
      alert("Frame " + elementname + " niet gevonden!");
    }
  } else{
    var myObject = document.getElementsByName(elementname);
    if (myObject.length > 0){
      // For objects within document
      myObject[0].src = 'http://demo.alacs.nl?client='+client+'&action='+action+'&SSID='+Get_Cookie('SessionID');
    } else{
      alert("iFrame " + elementname + " niet gevonden!");
    }
  }
}