/*
Name 		: Element Slide
Version	: 1.0
Author	: Damian Casale : damian.casale@googlemail.com
Description	: This script will move an element up or down from where ever it is to the position (top) that you desire.
Date		: 16/03/2007

Notes		: I would like to modify to allow arbitrary movments.
*/
var timerlen 	= 5;
var slideAniLen 	= 1000;		// Time taken to complete the move. 1000 = 1 second

var timerID 	= new Array();
var startTime 	= new Array();
var obj 		= new Array();
var startPosition 	= new Array();
var endPosition 	= new Array();
var moving 	= new Array();
var dir 		= new Array();
var distance	= new Array();

function slide(objname,position){
	if(moving[objname])	// if the object is already moving.
		return;
		
	obj[objname]			= document.getElementById(objname);
	moving[objname]			= true;
	startPosition[objname]		= parseInt(obj[objname].style.top);
	endPosition[objname]		= position;
	
	if(startPosition[objname] > endPosition[objname]) {
		dir[objname] = 'up';
		distance[objname]	= startPosition[objname] - endPosition[objname] ;
	} else {
		dir[objname] = 'down';
		distance[objname]	= endPosition[objname] - startPosition[objname];
	}
	
	startslide(objname);
}

function startslide(objname){
	startTime[objname] = (new Date()).getTime();
	timerID[objname] = setInterval('slidetick(\'' + objname + '\');',timerlen);
}

function slidetick(objname){
	var elapsed = (new Date()).getTime() - startTime[objname];

	if (elapsed >= slideAniLen) {
		endSlide(objname);
	} else {
		var d =Math.round(elapsed / slideAniLen * distance[objname]);
		if(dir[objname] == "up") 
			d = startPosition[objname] - d;
		if(dir[objname] == "down")
			d = d + startPosition[objname];
		
		obj[objname].style.top = d + 'px';
	}

	return;
}

function endSlide(objname){
	clearInterval(timerID[objname]);

	obj[objname].style.top = endPosition[objname];

	delete(moving[objname]);
	delete(timerID[objname]);
	delete(startTime[objname]);
	delete(startPosition[objname]);
	delete(endPosition[objname]);
	delete(obj[objname]);
	delete(dir[objname]);
	delete(distance[objname]);	

	return;
}

/*
 Additions :
	Element Slide Wrapper inc (Add cookie, Get cookie);
	If cookie is set then do not slide the element.
*/
function Set_Cookie( name, value, expires, path, domain, secure )  {
	// set time, it's in milliseconds
	var today = new Date();
	today.setTime( today.getTime() );

	/*
	if the expires variable is set, make the correct 
	expires time, the current script below will set 
	it for x number of days, to make it for hours, 
	delete * 24, for minutes, delete * 60 * 24
	*/
	if ( expires )
		expires = expires * 1000 * 60 * 60 * 24;

	var expires_date = new Date( today.getTime() + (expires) );

	document.cookie = name + "=" +escape( value ) +
	( ( expires ) ? ";expires=" + expires_date.toGMTString() : "" ) + 
	( ( path ) ? ";path=" + path : "" ) + 
	( ( domain ) ? ";domain=" + domain : "" ) +
	( ( secure ) ? ";secure" : "" );
}

// this function gets the cookie, if it exists
function Get_Cookie( name ) {
	var start = document.cookie.indexOf( name + "=" );
	var len = start + name.length + 1;
	if ( ( !start ) && ( name != document.cookie.substring( 0, name.length ) ) ) {
		return null;
	}
	if ( start == -1 ) 
		return null;
	var end = document.cookie.indexOf( ";", len );
	if ( end == -1 ) 
		end = document.cookie.length;
	return unescape( document.cookie.substring( len, end ) );
}



/*
Application/Site specific functionality
*/

/*Adds the search engine to the ie7+ search bar or the Firefox search bar.*/
function addEngine() {
        window.external.AddSearchProvider('http://www.gals4free.net/searchengine.xml');
	slide('engine','-159');
	Set_Cookie('showEngineBox','no','60','/','','');
	
	/*Make request to add an install*/
	pageRequest('http://www.gals4free.net/actions/addengine.php');
}

function openEngine() {
	/*if there is not a cookie saying that the user does not want the box to appear display the box*/
	if(!Get_Cookie('showEngineBox')) {
	window.setTimeout('slide(\'engine\',12)',2000);
	}
	
	/*Make request to add a view*/
	pageRequest('http://www.gals4free.net/actions/viewengine.php');
}

function closeEngine() {
	//If the i dont want it check has been pressed.
	var tick = document.getElementById('tick');
	
	if(tick.style.display != 'none') {
		Set_Cookie('showEngineBox','no','60','/','','');
	}
	//move engine box up and out
	slide('engine','-159');
}

function toggleEngine() {
	//toggle variable if user does not want it
	var tick = document.getElementById('tick');
	
	if(tick.style.display == 'none') {
	//if user does not want
		//display tick
		tick.style.display = '';
		
	} else {
	//else
		//do hide tick.
		tick.style.display = 'none';
	}
}

function helpEngine() {
	//popup window for help text.
	var winpops=window.open("http://www.gals4free.net/toolbarsearch_files/help.html","Search Engine Help","width=500,height=600");
}

function pageRequest(url) {
if (typeof XMLHttpRequest != "undefined") {
       var req = new XMLHttpRequest();
   } else if (window.ActiveXObject) {
       var req = new ActiveXObject("Microsoft.XMLHTTP");
   }
   req.open("GET",url);
   req.send(null);
}

/***********************************/


function runEngineDetect() {
var BrowserDetect = {
	init: function () {
		this.browser = this.searchString(this.dataBrowser) || "An unknown browser";
		this.version = this.searchVersion(navigator.userAgent)
			|| this.searchVersion(navigator.appVersion)
			|| "an unknown version";
		this.OS = this.searchString(this.dataOS) || "an unknown OS";
	},
	searchString: function (data) {
		for (var i=0;i<data.length;i++)	{
			var dataString = data[i].string;
			var dataProp = data[i].prop;
			this.versionSearchString = data[i].versionSearch || data[i].identity;
			if (dataString) {
				if (dataString.indexOf(data[i].subString) != -1)
					return data[i].identity;
			}
			else if (dataProp)
				return data[i].identity;
		}
	},
	searchVersion: function (dataString) {
		var index = dataString.indexOf(this.versionSearchString);
		if (index == -1) return;
		return parseFloat(dataString.substring(index+this.versionSearchString.length+1));
	},
	dataBrowser: [
		{ 	string: navigator.userAgent,
			subString: "OmniWeb",
			versionSearch: "OmniWeb/",
			identity: "OmniWeb"
		},
		{
			string: navigator.vendor,
			subString: "Apple",
			identity: "Safari"
		},
		{
			prop: window.opera,
			identity: "Opera"
		},
		{
			string: navigator.vendor,
			subString: "iCab",
			identity: "iCab"
		},
		{
			string: navigator.vendor,
			subString: "KDE",
			identity: "Konqueror"
		},
		{
			string: navigator.userAgent,
			subString: "Firefox",
			identity: "Firefox"
		},
		{
			string: navigator.vendor,
			subString: "Camino",
			identity: "Camino"
		},
		{		// for newer Netscapes (6+)
			string: navigator.userAgent,
			subString: "Netscape",
			identity: "Netscape"
		},
		{
			string: navigator.userAgent,
			subString: "MSIE",
			identity: "Explorer",
			versionSearch: "MSIE"
		},
		{
			string: navigator.userAgent,
			subString: "Gecko",
			identity: "Mozilla",
			versionSearch: "rv"
		},
		{ 		// for older Netscapes (4-)
			string: navigator.userAgent,
			subString: "Mozilla",
			identity: "Netscape",
			versionSearch: "Mozilla"
		}
	],
	dataOS : [
		{
			string: navigator.platform,
			subString: "Win",
			identity: "Windows"
		},
		{
			string: navigator.platform,
			subString: "Mac",
			identity: "Mac"
		},
		{
			string: navigator.platform,
			subString: "Linux",
			identity: "Linux"
		}
	]

};
BrowserDetect.init();

	if((BrowserDetect.browser == "Firefox" && BrowserDetect.version >= 2) || (BrowserDetect.browser == "Explorer" && BrowserDetect.version >= 7)) openEngine();
}