var _waaids ;
this.aids = function(){
	var hostname = window.location.hostname;
	hostname = hostname.replace("www.","").toLowerCase();
	var a = document.getElementsByTagName("a");

	this.check = function(obj){
		var href = obj.href.toLowerCase();
		if ( href.indexOf("http://") != -1 &&
			 href.indexOf(hostname)==-1 )
			 return true ;
		else
			return false;
	};

	this.set = function(obj){
		obj.target = "_blank";
		obj.className = "external";
	};

	this.remember = function(obj, ida, aid) {
		pattern = /\/([0-9]+\.*[0-9]*)\/[^\/]*thtml/ ;
		matches = obj.href.toLowerCase().match(pattern) ;
		if (matches != null && matches[1] != aid)
			ida.push(matches[1]) ;
	} ;

	var idc = [] ;
	remember(window.location, idc, 0);

	if (idc.length > 0) {
		myaid = idc[0] ;
	} else {
		myaid = -1 ;
	}

	var ida = new Array() ;

	for (var i=0;i<a.length;i++){
		if (check(a[i])) {
			set(a[i]);
		} else {
			remember(a[i], ida, myaid) ;
		}
	};

	var idb = [], i, len = ida.length;
	for(i=0; i<len; i++ ) {
	   if( idb.indexOf( ida[i]) < 0 ) {
		  idb.push(ida[i]);
	   }
	}

	if (myaid > 0) {
		_waaids = myaid  + "=" + idb.join(',') ;
	} else{
		_waaids = "=" + idb.join(',') ;
	}
	return _waaids;
};