/*
*	############### general Webtrends Helpers ###################################
*/

/*
*	(array) individuel sent param-keys 
*/
var wt_Ids = new Array();

/*
trackWebtrends({ 
				'WT.cusGesundNavPageTo' : 'Hautprobleme', 
				'WT.cusGgesundNavTime': '4' 
				});			
*/				
/*
*	sent up to 5 params with  dcsMultiTrack
*/
function trackWebtrends(params) {	
	var debug = true;
	var aParam = new Array();
	var aValue = new Array();
	
	clearWtIds(); //clear saved keys / delete them from _tag object
	
	//build arrays ----------------------------------------
	var i = 0;
	var debugTxt = "";
	for (var key in params) {
		aParam[i] = key;
		aValue[i] = encodeURIComponent(params[key]);
		debugTxt += aParam[i] + ": " + aValue[i] + "\n";
		i++;
	}
	
	switch (i) {
	  case 1:
		addWtId (aParam);
		if (_tag) dcsMultiTrack(aParam[0], aValue[0]);
		break;
	  case 2:
		addWtId (aParam);
		if (_tag) dcsMultiTrack(aParam[0], aValue[0], aParam[1], aValue[1]);
		break;
	  case 3:
		addWtId (aParam);
		if (_tag) dcsMultiTrack(aParam[0], aValue[0], aParam[1], aValue[1], aParam[2], aValue[2]);
		break;
	  case 4:
		addWtId (aParam);
		if (_tag) dcsMultiTrack(aParam[0], aValue[0], aParam[1], aValue[1], aParam[2], aValue[2], aParam[3], aValue[3]);
		break;
	  case 5:
		addWtId (aParam);
		if (_tag) dcsMultiTrack(aParam[0], aValue[0], aParam[1], aValue[1], aParam[2], aValue[2], aParam[3], aValue[3], aParam[4], aValue[4]);
		break;	
	  default:
		alert("Webtrends not sent, more than 5 params");
		break;
	}

	if (debug && i<6) debugTracking(debugTxt);
		
}


/*
*	Webtrends: track values
*/
function debugTracking(msg) {
//	alert (msg);
	/*
	$("#tracking").css("diplay","block");
	var c = $("#tracking").html() + "<br />" + msg;
	$("#tracking").html(c);
	*/
}

/*
*	Webtrends: save the individual used keys
*/
function addWtId (key) {
	if (typeof key != 'object') key = new Array(key);
	
	for (i=0;i<key.length;i++) {
		keyTmp = key[i];
		
		var pos = keyTmp.indexOf("WT.");
		if (pos == 0) keyTmp = keyTmp.substr(3, (keyTmp.length-3)); 
		
		wt_Ids[wt_Ids.length] = keyTmp;
	}
}

/*
*	Webtrends: clear the individual used keys
*/
function clearWtIds() {
	if (wt_Ids) {
		if (_tag) {
			for (i=0;i<wt_Ids.length;i++) {
				delete _tag['WT'][wt_Ids[i]];
			}
		}
		wt_Ids = new Array();
	}
}