/*--------------------------------------------*/

//Определяем броузер, его версию и ОС
//read more about this function at http://www.quirksmode.org/js/detect.html
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();
//---How to use it:
//----variables:
//	BrowserDetect.browser  
//	BrowserDetect.version
//	BrowserDetect.OS 

//переменная для EI < 7
var IE_Comp = (BrowserDetect.browser == 'Explorer' && BrowserDetect.version < 7)? true : false;

/*--------------------------------------------*/

function changecss(theClass,element,value) {
	var cssRules;
	if (document.all) {
		cssRules = 'rules';
	}
	else {
		cssRules = 'cssRules';
	}
	for (var S = 0; S < document.styleSheets.length; S++){
		for (var R = 0; R < document.styleSheets[S][cssRules].length; R++) {
			if (document.styleSheets[S][cssRules][R].selectorText == theClass) {
				document.styleSheets[S][cssRules][R].style[element] = value;
			}
		}
	}
}

/*--------------------------------------------*/

function show(id){ document.getElementById(id).style.display = 'block';}
function hide(id){ document.getElementById(id).style.display = 'none';}

function showorhide(obj) {
	var el = document.getElementById(obj);
	if ( el.style.display != 'none' ) {
		el.style.display = 'none';
	}
	else {
		el.style.display = '';
	}
}

/*--------------------------------------------*/

function control_annot(){
	this.flag = 'collapse';
	this.flagDef = 'collapse';
	this.annots = getElementsByClass('ann',byId('block'),'dd');
	this.metas = getElementsByClass('meta',byId('block'),'dd');
	
	this.toggleArray = function(arr){
		for(var i=0,l=arr.length;i<l;i++){
			if(this.flag == 'collapse'){
				arr[i].style.display = 'none';
			}else{			
				arr[i].style.display = '';
			}
		}
	}
	
	this.setFlag = function(){
		this.flag = (getCookie( 'more_info' ))? getCookie( 'more_info' ) : this.flagDef;
	}
	
	this.changeLabel = function(){
		var el = byId('control_annot');
		if(el){
			if(this.flag == 'collapse'){
				el.innerHTML = "<span>&#1087;&#1086;&#1082;&#1072;&#1079;&#1072;&#1090;&#1100; &#1072;&#1085;&#1085;&#1086;&#1090;&#1072;&#1094;&#1080;&#1080;</span>";
				el.className = '';
			}else{
				el.innerHTML = "<span>&#1089;&#1082;&#1088;&#1099;&#1090;&#1100; &#1072;&#1085;&#1085;&#1086;&#1090;&#1072;&#1094;&#1080;&#1080;</span>";
				el.className = 'coll';
			}
		}
	}
	
	this.goFunction = function(){
		this.setFlag();
		this.changeLabel();
		this.toggleArray(this.annots);
		this.toggleArray(this.metas);
	}
	
	this.click = function(){
		this.flag = (this.flag == 'collapse')? 'expand' : 'collapse';
		createCookie('more_info',this.flag,30);
		this.goFunction();
		return false;
	}
	
	this.goFunction();
}