function getCookie(NameOfCookie){
if (document.cookie.length > 0) {  
begin = document.cookie.indexOf(NameOfCookie+" = ");
if (begin != -1) {     
begin += NameOfCookie.length+1;    
end = document.cookie.indexOf(";", begin); 
if (end == -1) end = document.cookie.length;
return unescape(document.cookie.substring(begin, end));
} }
return null; 
}

function setCookie(NameOfCookie, value, expiredays) {
var ExpireDate = new Date ();
ExpireDate.setTime(ExpireDate.getTime() + (expiredays * 24 * 3600 * 1000));
document.cookie = NameOfCookie + "=" + escape(value) + ((expiredays == null) ? "" : "; expires=" + ExpireDate.toGMTString()); 
}

function ShowBIMPopup() {
var Freq = 3;
var ShowOrNot = Math.floor(Freq * Math.random()+1);
if (ShowOrNot == 1){
visited=getCookie('BIMvisited');
if (visited==null){
setCookie('BIMvisited','yes',45)
document.write("<"+"script type=\"text/javascript\" src=\"http://bimonline.insites.be/nl/start.asp?SiteID=547&amp;TagID=1\"></scr"+"ipt>"); 
} } }

ShowBIMPopup();
// end of code-->