var imgElementTimeOuts = new Array();
function startThumbnailMotion(imgElement,camId,picId){
	if(imgElement instanceof HTMLImageElement){
		if(typeof(imgElementTimeOuts[imgElement]) === "number"){
			window.clearTimeout(imgElementTimeOuts[imgElement]);
		}
		imgElement.src = getThumbnailPath(camId,picId);
		picId++;
		picId%=24;
		imgElementTimeOuts[imgElement] = window.setTimeout(function(){
		    startThumbnailMotion(imgElement,camId,picId)
		},265);
	}
}
function stopThumbnailMotion(imgElement,camId,picId){
	if(imgElement instanceof HTMLImageElement){
		window.clearTimeout(imgElementTimeOuts[imgElement]);
		imgElement.src = getThumbnailPath(camId,picId);
	}
}
function getThumbnailPath(camId,thumbnailId){
	return "http://www.camnetwork.org/thumbnail_"+camId+"_"+thumbnailId+".jpg";
}
var newRatings = new Array();
var oldAvgRatings = new Array();
var oldRatingsCount = new Array();
var preselectedRating = -1;
var hasPreselectedRating = false;
var hasNewRating = false;
function setCamRating(camId,rating){
	if(newRatings[camId]===undefined){
		//new rating from this user.
		var ratingElement = $("tab_thiscam_rating_count");
		if(ratingElement!==null){
			oldRatingsCount[camId]  = (parseInt(ratingElement.innerHTML));
			if(!hasPreselectedRating){ratingElement.innerHTML = oldRatingsCount[camId]+1};
			var avgElement = $("tab_thiscam_rating_rating");
			if(avgElement!==null){
				oldAvgRatings[camId] = avgElement.innerHTML==="?!?"?0.0:parseFloat(avgElement.innerHTML);
			}
		}
	}
	if(oldAvgRatings[camId]!==undefined&&oldRatingsCount[camId]!==undefined){
		var avgElement = $("tab_thiscam_rating_rating");
		if(!hasPreselectedRating){
			var avg = (oldAvgRatings[camId]*(oldRatingsCount[camId])+rating)/(oldRatingsCount[camId]+1);
		}else{
			var avg = ((oldAvgRatings[camId]*oldRatingsCount[camId])+rating-preselectedRating)/(oldRatingsCount[camId]);
		}
		avgElement.innerHTML = Math.round(avg*10)/10;
		var img = $("tab_thiscam_img_img");
		if(img!==null){img.src = "http://www.camnetwork.org/media/img/cxl"+Math.round(avg)+".png";}
		request("POST","http://www.camnetwork.org/de/ratecam.js","camId="+camId+"&rating="+rating,null);
	}
	newRatings[camId] = rating;
	hasNewRating = true;
	for(var i=1;i<=5;i++){
		var img = $("camrating_"+camId+"_"+rating);
		if(img !==null && img instanceof HTMLImageElement){
			var img = $("camrating_"+camId+"_"+i);
			if(i===rating){
				img.src = getRatingImageRated(i);
			}else{
				img.src = getRatingImageNonRated(i);
			}	
		}
	}
}
function getRatingImageRated(rating){return "http://www.camnetwork.org/media/img/cs"+rating+".png";}
function getRatingImageMouseOut(camId,rating){
	if(newRatings[camId]===rating||(!hasNewRating&&rating===preselectedRating)){return getRatingImageRated(rating);}
	return getRatingImageNonRated(rating);
}
function setPreSelectedRating(r){
	preselectedRating = r;
	hasPreselectedRating = true;
}
function getRatingImageNonRated(rating){return "http://www.camnetwork.org/media/img/csl"+rating+".png";}
function setDeLink(link){
	var e = document.getElementById("deLink");
	if(e!=null){e.href=link;}
}
function setEnLink(link){
	var e = document.getElementById("enLink");
	if(e!=null){e.href=link;}
}
function setCamThumbnailBorder(imgElement){
	imgElement.style.borderWidth="2px";
	imgElement.style.padding="1px";
	imgElement.style.borderColor='black';
}
function removeCamThumbnailBorder(imgElement){
	imgElement.style.borderColor='transparent';
}
function getTranslationLinkUpdateObserver(params){
	if( (typeof params) == "object" ){
		return function(identifier){
			var i;
			for( i = 0; i < params.length; i++){
				var e = document.getElementById(params[i][0]);
				if( e != null && (typeof e) == 'object'){
					e.href = params[i][1]+identifier;
				}
			}
		};
	}else{
		return function(camnetwork){};
	}
}

function Camnetwork(){}
/**
 * the function returns a camId, parsed from a link or false
 */
Camnetwork.getCamIdByLink = function(link){
	var regex, matches;
	if( ROUTE_SHOW_CAM!=null ){
		//route exists
		regex = /.+?#(.*)/;
		matches = link.match( regex );
		if( matches!=null && matches.length === 2 ){
			matches = ROUTE_SHOW_CAM.getParams( matches[1] );
			if( !isNaN(parseFloat( matches[0] )) && isFinite( matches[0] ) ){
				return matches[0];
			}
		}
	}
	//here no return has been made yet, so in the location hash no camId was found.
	regex = /http:\/\/www.camnetwork.org\/(?:de|en)\/webcam_(\d+)_.*?/;
	matches = link.match( regex );
	if( matches!=null && matches.length === 2 ){
		return matches[1];
	}
	return false;
};
/**
 * the function returns a geoId, parsed from a link or false
 */
Camnetwork.getGeoIdByLink = function(link){
	var regex, matches;
	regex = /http:\/\/www.camnetwork.org\/(?:de|en)\/Webcams_in_.+?_(\d+).html/;
	matches = link.match(regex);
	if( matches!=null && matches.length===2 ){
		return matches[1];
	}
	return false;
};
Camnetwork.checkContentBoxSize = function(){
	var height, width, newHeight;
	var con = $('content');
	if(con){
		height = con.offsetHeight;
		width = con.offsetWidth;
		newHeight = (width/13.0)*10;
		if( newHeight+10 > height ){
			con.style.height = newHeight+'px';
		}
	}
};
Camnetwork.showSearchInteraction = function(element){
	Utils.fade('in', 2000, element);
};
Camnetwork.getSearchInteractionIds = function(){
	return ["main_search_interaction_box_1", "main_search_interaction_box_2", "top_search_interaction_box"];
};