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();


function SetStyle(elem, style)
{
	if ( elem )
	{
		if ( BrowserDetect.browser == "Explorer" )
		{
			elem.style.setAttribute('cssText', style, null);
		}
		else
		{
			elem.setAttribute('style', style, null);
		}
	}
}


function SetStyleById(elem_id, style)
{
	SetStyle(byId(elem_id), style);
}


function getElementsByClass(searchClass, node, tag)
{
	var classElements = new Array();
	if ( node == null )
	{
		node = document;
	}
	if ( tag == null )
	{
		tag = '*';
	}
	var els = node.getElementsByTagName(tag);
	var elsLen = els.length;
	var pattern = new RegExp("(^|\\s)" + searchClass + "(\\s|$)");

	for (i=0, j=0; i<elsLen; i++)
	{
		if ( pattern.test(els[i].className) )
		{
			classElements[j] = els[i];
			j++;
		}
	}

	return classElements;
}


function restoreImg()
{
	var i,x,a=document.MM_sr;
	for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++)
		x.src=x.oSrc;
}

function preloadImg()
{
	var d=document;
	if(d.images)
	{
		if(!d.MM_p)
			d.MM_p=new Array();
		var i,j=d.MM_p.length,a=preloadImg.arguments;
		for(i=0; i<a.length; i++)
		{
			if (a[i].indexOf("#")!=0)
			{
				d.MM_p[j]=new Image;
				d.MM_p[j++].src=a[i];
			}
		}
	}
}

function swapFindObj(n, d)
{
	var p,i,x;
	if(!d)
		d=document;
	if((p=n.indexOf("?"))>0&&parent.frames.length)
	{
		d=parent.frames[n.substring(p+1)].document;
		n=n.substring(0,p);
	}
	if(!(x=d[n])&&d.all)
		x=d.all[n];
	for(i=0;!x&&i<d.forms.length;i++)
		x=d.forms[i][n];
	for(i=0;!x&&d.layers&&i<d.layers.length;i++)
		x=swapFindObj(n,d.layers[i].document);
	if(!x && document.getElementById)
		x=document.getElementById(n);
	return x;
}

function swapImg()
{
	var i,j=0,x,a=swapImg.arguments;
	document.MM_sr=new Array;
	for(i=0;i<(a.length-2);i+=3)
	{
		if((x=swapFindObj(a[i]))!=null)
		{
			document.MM_sr[j++]=x;
			if(!x.oSrc)
				x.oSrc=x.src;
			x.src=a[i+2];
		}
	}
}

function nullLink(){}

function getCookie(name)
{
	var cookies = document.cookie;
	if ( cookies.indexOf(name) != -1 )
	{
		var startpos = cookies.indexOf(name) + name.length+1;
		var endpos = cookies.indexOf(";",startpos)-1;
		if ( endpos == -2 ) endpos = cookies.length;
			return(unescape(cookies.substring(startpos, endpos)));
	}
	else
		return false;
}


function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;


// Used to hide media player when mouse is over the menu
function MouseOverMenu()
{
	if ( BrowserDetect.browser != "Explorer" )
	{
		var media_player = document.getElementById("MediaPlayer");
		if ( media_player )
		{
			SetStyle(media_player, "visibility:hidden;");
		}

		var videos = getElementsByClass('video', document, 'div');
		for ( var i=0; i<videos.length; i++ )
		{
			SetStyle(videos[i], "visibility:hidden;");
		}

		var shemes = getElementsByClass('sheme', document, 'div');
		for ( var i=0; i<shemes.length; i++ )
		{
			SetStyle(shemes[i], "visibility:hidden;");
		}
	}
}


// Used to show media player when mouse is out of the menu
function MouseOutMenu()
{
	if ( BrowserDetect.browser != "Explorer" )
	{
		var media_player = document.getElementById("MediaPlayer");
		if ( media_player )
		{
			SetStyle(media_player, "visibility:visible;");
		}

		var videos = getElementsByClass('video', document, 'div');
		for ( var i=0; i<videos.length; i++ )
		{
			SetStyle(videos[i], "visibility:visible;");
		}

		var shemes = getElementsByClass('sheme', document, 'div');
		for ( var i=0; i<shemes.length; i++ )
		{
			SetStyle(shemes[i], "visibility:visible;");
		}
	}
}


function PrintableVersion(url)
{
	if ( !url )
	{
		url = document.location.href;
	}

	winSizeX = 640;
	winSizeY = 580;

	screenWidth = screen.width || 800;
	screenHeight = screen.height || 600;
	winPosX = (screenWidth - winSizeX) / 2;
	winPosY = (screenHeight - winSizeY) / 2;

	my_window = window.open('/common/printable_version.php?url=' + encodeURI(url), 'ems_printable_version_window', 'resizable=yes,scrollbars=yes,location=no,left=' + winPosX + ',top=' + winPosY + ',width=' + winSizeX + ',height=' + winSizeY);
	my_window.focus();
}


function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}


function JumpToWebsite(selObj)
{
	document.location.href = "/" + selObj.options[selObj.selectedIndex].value + "/" + lang;
}