// WebCam Auto-Updater v1.8



//



// by Cowboy - 1/16/04 - cowboy@cowboyscripts.org



//



// (You can use this script, but credit me .. because I'm the man and you know it)



//



// http://cowboyscripts.org/



// http://rj3.net/ckb/



// http://rj3.net/cowboy/



//







function webCamRegisterCam(camName, camURL) {



	



	if (typeof webCamURL != "object") {



		webCamURL = new Array();



		webCamName = new Array();



	}







	var idx = webCamName.length;



	



	webCamName[idx] = camName;



	webCamURL[idx] = camURL;



}























// ----- USER SETTINGS HERE -----



//







// Width and height of each cam pic



webCamWidth = 350;



webCamHeight = 270;







// Time in sec to update images



webCamUpdateInterval = 10;







// Register each webcam here. Note that they are indexed in the order in which they



// are defined (the first is index 0, second is index 1, and so on..)



//



// Usage:



//



//   webCamRegisterCam(camName, camURL);



//



// The first image is the error/default image



webCamRegisterCam("Webcam-Sarlat-Rue Fenelon", "webcam_sarlat1.jpg");







// Here are the WebCam images:



webCamRegisterCam("Webcam-Sarlat La caneda-Rue Fenelon", "webcam_sarlat2.jpg");







//webCamRegisterCam("", "");







//



// ----- END USER SETTINGS -----















// Set your page's onload= to this function, otherwise it won't do anything!



//



function webCamInit() {



	webCamUpdateFunction();



	



	webCamUpdateTimeLeft = webCamUpdateInterval;



	webCamInterval = setInterval("webCamUpdate();", 1000);



}







// Use this function in-line with your HTML to generate the WebCam images



//



// Usage:



//



//   webCamDraw(n);



//



//   n is the array index. You can override the default webCamWidth and webCamHeight



//   by overloading the function: webCamDraw(n, width, height, altText);



//



function webCamDraw(camNum, w, h, altText) {



	var wStr = " width='" + ((typeof w == "undefined") ? webCamWidth : w) + "'";



	var hStr = " height='" + ((typeof h == "undefined") ? webCamHeight : h) + "'";







	if (w == "") wStr = "";



	if (h == "") hStr = "";







	var altText = (typeof altText == "string") ? altText : ((camNum == 0 && typeof wc_spareImgAltText == "string" && wc_spareImgAltText != "") ? wc_spareImgAltText : webCamName[camNum]);







	var theDate = new Date();



	



	document.write("<img name='webCam_" + camNum + "' src='" + webCamURL[0] + "'" + wStr + hStr + " border='0' alt=\"" + altText + "\">");



}







// Display #sec remaining until next update in the status bar



//



function webCamUpdate() {



	webCamUpdateTimeLeft--;







	window.status = "WebCam Sarlat Info : Changement dans " + webCamUpdateTimeLeft + " seconde(s)";



	



	if (webCamUpdateTimeLeft <= 0) {



		webCamUpdateFunction();



		webCamUpdateTimeLeft = webCamUpdateInterval;



	}



}







// Intelligent image preloader. Reloads each image into a separate image object,



// when that object is loaded it refreshes the visible WebCam pic so there isn't



// any flickering



//



function webCamImagePreloaded() {



	document["webCam_" + this.camNum].src = document["webCamPreload_" + this.camNum].src;







	window.status = "WebCam Sarlat Info : Rechargement " + webCamName[this.camNum];



}







function webCamImageError() {



	document["webCam_" + this.camNum].src = webCamURL[0];







	window.status = "WebCam Sarlat Info : Erreur de chargement " + webCamName[this.camNum];



}







function webCamPreloadImage(camNum, imgURL) {



	theImage = new Image();



	theImage.src = imgURL;



	theImage.onerror = webCamImageError;



	theImage.onload = webCamImagePreloaded;



	theImage.camNum = camNum;



	



	return theImage;



}







function webCamUpdateWithPreload() {



	if (document.images) {



		var theDate = new Date();







		for (var i = 1; i < webCamURL.length; i++) {



			if (typeof document["webCam_" + i] == "object" && typeof document["webCam_" + i].src == "string") {



				document["webCamPreload_" + i] = webCamPreloadImage(i, webCamURL[i] + "?" + parseInt(theDate.getTime() / 1000));



			}



		}



	}



}











// Brute-force updating the images. No preloading or error-handling, but



// it works.



//



function webCamUpdateNoPreload() {



	if (document.images) {



		var theDate = new Date();



		



		for (var i = 1; i < webCamURL.length; i++) {



			if (typeof document["webCam_" + i] == "object" && typeof document["webCam_" + i].src == "string") {



				document["webCam_" + i].src = webCamURL[i] + "?" + parseInt(theDate.getTime() / 1000);



			}



		}



	}



}











webCamUpdateFunction = webCamUpdateWithPreload;











// Test to see if preloading images is supported (there are probably much



// better ways to do this, but I'm limited on time!) If preloading doesn't



// work, use the non-preloading webCamUpdateNoPreload function.



//



function testImagePreload() {



	if (typeof this.src != "string") {



		webCamUpdateFunction = webCamUpdateNoPreload;



	}



}



testImage = new Image();



testImage.onload = testImagePreload;



testImage.src = webCamURL[0];