//////////////////////////// TEMP DEBUG /////////////////////////
function showDebug() {
	var debugDiv = document.getElementById('debug'); 
	if (debugDiv.style.visibility == 'hidden') {
		debugDiv.style.visibility = 'visible';
	}
	else debugDiv.style.visibility = 'hidden';
}

function clearDebug() {
	document.getElementById('debug').innerHTML = '<table width="100%" border="0"> <tr> <td><h2>DO NOT REPORT!</h2></td><td align="right"><a href="javascript:clearDebug();">Clear</a></td></tr></table>';
	document.getElementById('debugLink').innerHTML = '<a href="javascript:showDebug();">Debug</a>';
	var debugDiv = document.getElementById('debug');
	debugDiv.style.visibility = 'hidden';
}

/* URL POPPER */
function popUp(URL) {
	day = new Date();
	id = day.getTime();
	eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=1,width=600,height=550');");
}

var paused = false;


/* ---------------------- AJAX ------------------------- */

/* Ajax function class */
/* Declarations */
var arAjx = new Array(1);
var arStops = new Array;

/* ajFetch function */
function ajFetch(url, destination, cycle, delay, noloading) {
	
	/* Execution timer */
	var timerOne = new Date();
	floatInt = timerOne.getTime();
	//
	
	var curInstance;
	if (cycle == null) {
		cycle = false;	
	}
	if (noloading == null) {
		noloading = false;	
	}
	
	if (arAjx.length == 1) {
		curInstance = 1;
		arAjx[1] = new flickr_Ajax;
	} else {
		var found = false;
		for (i=1;i<arAjx.length;i++) {
			if (arAjx[i].Is_Free()) {
				curInstance = i;
				found = true;
			}
		}
		
		if (!found) {
			arAjx.push(new flickr_Ajax);
			curInstance = arAjx.length;
			arAjx[curInstance] = new flickr_Ajax;
		}
	}
	
	if (noloading) { arAjx[curInstance].Set_Loading(false); }
	
	if (paused) {
		arAjx[curInstance].HTTP_Get(url+"&pause=1", destination);
	} else {
		arAjx[curInstance].HTTP_Get(url, destination);
	}
	
	if (arStops[destination] != true) {
		if (cycle) {
			setTimeout("ajFetch('"+url+"','"+destination+"',true,"+delay+");",delay);
		}
	} else {
		arStops[destination] = null;
	}
}

/* Ajax functions, objects, classes and callback */
function flickr_Ajax() {
	/* Declarations */
	/* Public methods */
	this.HTTP_Get = HTTP_Get;
	this.Is_Free = Is_Free;
	this.Set_Loading = Set_Loading;
		
	/* Private variables */
	var ajobj = XMLHTTP_object();
	var http_destobj = null;
	var free = true;
	var show_loading = true;

	/* Methods */
	function HTTP_Get(url, destination) {
		if (free && (url != null) && (destination != null) && ((ajobj.readyState == 0) || (ajobj.readyState == 4))) {
			http_destobj = destination;
			
			ajobj.open("GET", url, true);
			ajobj.onreadystatechange = HTTP_Get_CallBack;
			ajobj.setRequestHeader("If-Modified-Since", "Sat, 1 Jan 2000 00:00:00 GMT");
			ajobj.send(null);
			free = false;
		} else {
			return false;
		}
	}
	//Pathernorum
	EvalJS = function(elementId) {
	var scripts = document.getElementById(elementId).getElementsByTagName('script');
	var code;
	for (var i = 0; i < scripts.length; i++) {
		code =	scripts[i].innerHTML ? scripts[i].innerHTML : 
			scripts[i].text ? scripts[i].text : 
			scripts[i].textContent;
		try {
			eval(code);
		} catch(e) {
			alert(e);
		}
	}
	}
	/* Get CallBack (Handle received data) */
	function HTTP_Get_CallBack() {
		if (ajobj.readyState == 4) {
			var results = ajobj.responseText;
			
			if (typeof(results)=='string' && results != null && results != '') {
				/* Function callback evaluator */
				if (eval("typeof(" + http_destobj + ") == 'function'")) { 
					/* Function detected, pass data to function */
					eval(http_destobj + "(results);");
				} else {
					/* Not a function, pass data to the html object */
					if (typeof document.getElementById(http_destobj).innerHTML != "undefined") {
						document.getElementById(http_destobj).innerHTML = results;
						EvalJS(http_destobj);
					}
				}
			}
			free = true;
		}
	}
	
	/* Helpers functions */
	function Is_Free() {
		return free;	
	}
	
	function Set_Loading(value) {
		show_loading = value;
	}
	
	/* AJAX OBJECT */
	function XMLHTTP_object() {
	  var xmlhttp;
	  /*@cc_on
	  @if (@_jscript_version >= 5)
		try {
		  xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
		  try {
			xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
		  } catch (E) {
			xmlhttp = false;
		  }
		}
	  @else
	  xmlhttp = false;
	  @end @*/
	  if (!xmlhttp && typeof XMLHttpRequest != 'undefined') {
		try {
		  xmlhttp = new XMLHttpRequest();
		} catch (e) {
		  xmlhttp = false;
		}
	  }
	  return xmlhttp;
	}
}

function ajStop(destination) {
	arStops[destination] = true;
}


/* URLencode/decode helper */
function urlDecode(str){
    str=str.replace(new RegExp('\\+','g'), ' ');
   	return unescape(str);
}
	
function urlEncode(str){
	str = escape(str);
	str=str.replace(new RegExp('\\+','g'), 'PPP910918271');
	str=str.replace(new RegExp('%20','g'), '+');
	return str;
}

/* Base64 Helpers */
var keyStr = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
function encode64(input) {
	if (input != null && input != '' && input != ' ') {
		var output = "";
		var chr1, chr2, chr3;
		var enc1, enc2, enc3, enc4;
		var i = 0;

		do {
			chr1 = input.charCodeAt(i++);
			chr2 = input.charCodeAt(i++);
			chr3 = input.charCodeAt(i++);

			enc1 = chr1 >> 2;
			enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
			enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
			enc4 = chr3 & 63;

			if (isNaN(chr2)) {
				enc3 = enc4 = 64;
			} else if (isNaN(chr3)) {
				enc4 = 64;
			}

			output = output + keyStr.charAt(enc1) + keyStr.charAt(enc2) + 
			keyStr.charAt(enc3) + keyStr.charAt(enc4);
		} while (i < input.length);
   		
		return output;
	}
}
function decode64(input) {
	var output = "";
	var chr1, chr2, chr3;
	var enc1, enc2, enc3, enc4;
	var i = 0;

	input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");

	do {
		enc1 = keyStr.indexOf(input.charAt(i++));
		enc2 = keyStr.indexOf(input.charAt(i++));
		enc3 = keyStr.indexOf(input.charAt(i++));
		enc4 = keyStr.indexOf(input.charAt(i++));

		chr1 = (enc1 << 2) | (enc2 >> 4);
		chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
		chr3 = ((enc3 & 3) << 6) | enc4;

		output = output + String.fromCharCode(chr1);

		if (enc3 != 64) {
			output = output + String.fromCharCode(chr2);
		}
		if (enc4 != 64) {
			output = output + String.fromCharCode(chr3);
		}
	} while (i < input.length);
	
	return output;
}

/* trim helper */
function trim(str) {
	/* Removes white spaces on the beginning and on the end of a string */
	if (str != null && str != '') {
		while (str.charAt(0) == ' ')
			str = str.substring(1);
		while (str.charAt(str.length - 1) == ' ')
			str = str.substring(0, str.length - 1);
	}
	return str;
}