// HTML FOR 

var updatePhoto = new Array();
updatePhoto[0] = '<li class="updatePhoto">Updating Results</li>';
updatePhoto[1] = '<li class="updatePhoto">Updating Results</li>';
updatePhoto[2] = '<li class="updatePhoto right">Updating Results</li>';
updatePhoto[3] = '<li class="updatePhoto">Updating Results</li>';
updatePhoto[4] = '<li class="updatePhoto">Updating Results</li>';
updatePhoto[5] = '<li class="updatePhoto right">Updating Results</li>';
updatePhoto[6] = '<li class="updatePhoto">Updating Results</li>';
updatePhoto[7] = '<li class="updatePhoto">Updating Results</li>';
updatePhoto[8] = '<li class="updatePhoto right">Updating Results</li>';
updatePhoto[9] = '<li class="updatePhoto">Updating Results</li>';
updatePhoto[10] = '<li class="updatePhoto">Updating Results</li>';
updatePhoto[11] = '<li class="updatePhoto right">Updating Results</li>';
updatePhoto[12] = '<li class="updatePhoto">Updating Results</li>';
updatePhoto[13] = '<li class="updatePhoto">Updating Results</li>';
updatePhoto[14] = '<li class="updatePhoto right">Updating Results</li>';


var updateList = new Array();
updateList[0] = '<li class="updateList">Updating Results</li>';
updateList[1] = '<li class="updateList">Updating Results</li>';
updateList[2] = '<li class="updateList">Updating Results</li>';
updateList[3] = '<li class="updateList">Updating Results</li>';
updateList[4] = '<li class="updateList">Updating Results</li>';
updateList[5] = '<li class="updateList">Updating Results</li>';
updateList[6] = '<li class="updateList">Updating Results</li>';
updateList[7] = '<li class="updateList">Updating Results</li>';
updateList[8] = '<li class="updateList">Updating Results</li>';
updateList[9] = '<li class="updateList">Updating Results</li>';
updateList[10] = '<li class="updateList">Updating Results</li>';
updateList[11] = '<li class="updateList">Updating Results</li>';
updateList[12] = '<li class="updateList">Updating Results</li>';
updateList[13] = '<li class="updateList">Updating Results</li>';
updateList[14] = '<li class="updateList">Updating Results</li>';

// OPEN AN XMLHTTPREQUEST TO CONNECT TO THE SERVER AND SEND THE UPDATE REQUEST


// base64 encoding
/**
*
*  Base64 encode / decode
*  http://www.webtoolkit.info/
*
**/

var Base64 = {

	// private property
	_keyStr : "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",

	// public method for encoding
	encode : function (input) {
		var output = "";
		var chr1, chr2, chr3, enc1, enc2, enc3, enc4;
		var i = 0;

		input = Base64._utf8_encode(input);

		while (i < input.length) {

			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 +
			this._keyStr.charAt(enc1) + this._keyStr.charAt(enc2) +
			this._keyStr.charAt(enc3) + this._keyStr.charAt(enc4);

		}

		return output;
	},

	// public method for decoding
	decode : function (input) {
		var output = "";
		var chr1, chr2, chr3;
		var enc1, enc2, enc3, enc4;
		var i = 0;

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

		while (i < input.length) {

			enc1 = this._keyStr.indexOf(input.charAt(i++));
			enc2 = this._keyStr.indexOf(input.charAt(i++));
			enc3 = this._keyStr.indexOf(input.charAt(i++));
			enc4 = this._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);
			}

		}

		output = Base64._utf8_decode(output);

		return output;

	},

	// private method for UTF-8 encoding
	_utf8_encode : function (string) {
		string = string.replace(/\r\n/g,"\n");
		var utftext = "";

		for (var n = 0; n < string.length; n++) {

			var c = string.charCodeAt(n);

			if (c < 128) {
				utftext += String.fromCharCode(c);
			}
			else if((c > 127) && (c < 2048)) {
				utftext += String.fromCharCode((c >> 6) | 192);
				utftext += String.fromCharCode((c & 63) | 128);
			}
			else {
				utftext += String.fromCharCode((c >> 12) | 224);
				utftext += String.fromCharCode(((c >> 6) & 63) | 128);
				utftext += String.fromCharCode((c & 63) | 128);
			}

		}

		return utftext;
	},

	// private method for UTF-8 decoding
	_utf8_decode : function (utftext) {
		var string = "";
		var i = 0;
		var c = c1 = c2 = 0;

		while ( i < utftext.length ) {

			c = utftext.charCodeAt(i);

			if (c < 128) {
				string += String.fromCharCode(c);
				i++;
			}
			else if((c > 191) && (c < 224)) {
				c2 = utftext.charCodeAt(i+1);
				string += String.fromCharCode(((c & 31) << 6) | (c2 & 63));
				i += 2;
			}
			else {
				c2 = utftext.charCodeAt(i+1);
				c3 = utftext.charCodeAt(i+2);
				string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
				i += 3;
			}

		}

		return string;
	}

}
///

var request = null;
function createRequest() {
	
	try {
		
		request = new XMLHttpRequest();
		
	} catch (trymicrosoft) {
		
		try {
			
			request = new ActiveXObject("Msxml2.XMLHTTP");
			
		} catch (othermicrosoft) {
			
			try {
				
				request = new ActiveXObject("Microsoft.XMLHTTP");
				
			} catch (failed) {
				
				request = null;
				
			}
			
		}
		
	}
	
	if (request == null) alert("Error creating request object!");
	
}


// OPEN AN XMLHTTPREQUEST TO CONNECT TO THE SERVER AND SEND THE UPDATE REQUEST

var target;

function updateResults(href) {
	var list = document.getElementById('listView');
	var photo = document.getElementById('photoView');
	createRequest();
	var url = href;
	target = document.getElementById('resultsList');
	if (list) target.innerHTML = updateList.join(" ");
	if (photo) target.innerHTML = updatePhoto.join(" ");
	request.open("GET", url, true);
	request.onreadystatechange = updatePage;
	setTimeout('request.send(null)',1000);
	
}



// UPDATE THE RESULT WHEN REQUEST RETURNS ITS RESPONSE

var list;


function updatePage() {
	if (request.readyState==4) {	
		var newResults = request.responseText;
		list = newResults.split('-*-');
	 	drawResults(); //target.innerHTML = newResults;
	}
}

var x = 0;
var rl = [];

function drawResults() {
	
	rl.push(list[x]);
	var blob = rl.join(" ");
	target.innerHTML = blob;
	x++;
	if (x<=list.length) setTimeout("drawResults()",50);
	else { 
		x = 0;
		rl = [];
	}
}
	
var list = function(li) {
	
	var blob;
	var li = li;
	var parts = [];
			
	for(i=0; i < li.length; i++) {
		if(i<7) {
			parts.push("<li class='adventurepic'>" + li[i].innerHTML + "</li>");
		} else {
			parts.push("<li class='adventurepic over'>" + li[i].innerHTML + "</li>");
		}
	}
	blob = parts.join(" ");
	return blob;
};



var pageView;
var pageParameters;
var u;
var Search; 	// SETS THE SEARCH TERM PARAMETER
var Order = 'name'; 		// SETS THE SORT ORDER PARAMETER
var Direction = 'asc'; 	// SETS SORT DIRECTION PARAMETER
var Page = '1'; 		// SETS PAGE VALUE PARAMETER
var Filter = 'all'; 	// SETS THE FILTER PARAMETER
var Country = 'all'; 	// SETS THE COUNTRY PARAMETER
var Tab = 'list'; 		// SETS VIEW TAB PARAMETER
var Layout = 'terse';

function firstLoad(page) {
	pageParameters = splitParameters(page,'?');
	pageView = pageParameters[0];
	pageParameters = splitParameters(pageParameters[1],'&');				// SPLIT PARAMETERS BY &

	for (i=0;i<pageParameters.length;i++) {								// ITERATE THROUGH EACH PARAMETER
		var Grps = pageParameters[i].split('=');							// SPLIT EACH PARAMETER BY =
		eval('update.' + Grps[0] + '("' + Grps[1] + '",' + null + ')');	// UPDATE EACH PARAMETER VARIABLE
	}
	updateLink(Order,Direction);	
    updateViewTab(Tab);
}

function updateURL(pars,vals) {
	var Pars = splitParameters(pars,'&');	// SPLIT THE PARS
	var Vals = splitParameters(vals,'&');	// SPLIT THE VALS
	for (p=0;p<Pars.length;p++) {			// GO THROUGH PARS AND SET VALS FOR EACH UPDATE
		if (Pars[p]=='f') eval('update.' + Pars[p] + '("' + Vals[p] + '","' + Filter +'")');
		else eval('update.' + Pars[p] + '("' + Vals[p] + '",' + null + ')');
	}
	var obj = constructURL();				// CONSTRUCT URL
	updateLink(Order,Direction);
	updateViewTab(Tab);
	updateResults(obj);						// UPDATE RESULTS
}

function gotoDetailsPage(url) {
	var titleArray = document.title.split('|')
	var title = titleArray[0].replace(/^\s*|\s*$/g,'');	// trim whitespace from title
	var parentUrl = constructURL('full');
	var json = {"title": title, "url": parentUrl };
	var param = Base64.encode( YAHOO.lang.JSON.stringify(json) );

	
	var destination = url;
	if (url.search(/\?/) == -1) {
		destination += '?';
	}  else {
		destination += '&';
	}
	var desUrl = destination + 'sid=' + param;
	window.location = destination + 'sid=' + param;
	
}


function splitParameters(string,char) {
	string = string.split(char);
	return string;
}

function constructURL(layout) {
	if (layout == undefined) {
		layout = Layout;
	}
	var obj = pageView + '?s=' + Search + '&o=' + Order + '&d=' + Direction + '&p=' + Page + '&f=' + Filter + '&c=' + Country + '&t=' + Tab + '&l=' + layout;
	return obj;
}


var update = (function() {
		
	return {
		
		// UPDATE SEARCH PARAMETER
		s: function(val,current) {
			Search = val;
		},
		
		// UPDATE SORT ORDER
		o: function(val,current) {
			val = val.replace('sortby_','');
			if (val==Order) {
				if (Direction=='asc') Direction = 'desc';
				else Direction = 'asc';
			} else if (val=='wholerank' || val=='star') {
				Direction = 'desc';
			} else if (val=='name' || val=='price') {
				Direction = 'asc';
			}
			Order = val;
		},
		
		// UPDATE SORT DIRCTION
		d: function(val,current) {
			Direction = val;
		},
		
		// UPDATE PAGE NUMBER
		p: function(val,current) {
			Page = val;
		},
		
		// UPDATE FILTER PARAMETERS
		f: function(val,current) {
		
		var append = 1;
			if (current) {
				current = current.split(',');
				var n = current.length;
				for (z=0;z<=n;z++) {
					if (val==current[z]) {
						if (n==1) current.splice(z,1,'all');
						else current.splice(z,1);
						append = 0;
					} else if (current[z]=='all') {
						current.splice(z,1,val);
						append = 0;
					}
				}
				if (append==1) current.push(val);
				var obj = current.join(',');
				Filter = obj;
			} else {
				Filter = val;
			}
		},
		
		// UPDATE COUNTRY PARAMETERS
		c: function(val,current) {
			Country = val;
		},
		
		// UPDATE LAYOUT PARAMETERS
		l: function(val, current) {
				Layout = val;
		},
		
		// UPDATE VIEW TAB PARAMETERS
		t: function(val,current) {
			Tab = val.replace('tabs_','');
		}
	}			
})();


function updateLink(oID, Direction) {
	document.getElementById('sortby_price').className = 'sort';
	document.getElementById('sortby_name').className = 'sort';
	document.getElementById('sortby_wholerank').className = 'sort';
	document.getElementById('sortby_star').className = 'sort';
	document.getElementById('sortby_' + oID).className = 'sort selected ' + Direction;
}

function updateViewTab(val) {
	document.getElementById('tabs_list').className = 'view';
	document.getElementById('tabs_photo').className = 'view';
	document.getElementById('tabs_' + val).className = 'view selected';
}