//
// Enviroment identificator
//
var localIsDOM = document.getElementById?true:false;
var localIsJava = navigator.javaEnabled();
var localIsStrict = document.compatMode=='CSS1Compat';
var localPlatform = navigator.platform;
var localVersion = "0";
var localBrowser = "";
if(window.opera && localIsDOM) {
	localBrowser = "Opera";
	if(navigator.userAgent.search(/^.*Opera.([\d.]+).*$/) != -1)
		localVersion = navigator.userAgent.replace(/^.*Opera.([\d.]+).*$/, "$1");
	else if(window.print)
		localVersion = "6";
	else
		localVersion = "5";
} else if(document.all && document.all.item)
	localBrowser = 'MSIE';
if(navigator.appName=="Netscape") {
	if(!localIsDOM) {
		localBrowser = 'Netscape';
		localVersion = navigator.userAgent.replace(/^.*Mozilla.([\d.]+).*$/, "$1");
		if(localVersion != '')
			localVersion = "4";
	} else if(navigator.userAgent.indexOf("Safari") >= 0)
		localBrowser = 'Safari';
	else if(navigator.userAgent.indexOf("Netscape") >= 0)
		localBrowser = 'Netscape';
	else if(navigator.userAgent.indexOf("Firefox") >= 0)
		localBrowser = 'Firefox';
	else 
		localBrowser = 'Mozilla';
	
}
if(navigator.userAgent.indexOf("MSMSGS") >= 0)
	localBrowser = "WMessenger";
else if(navigator.userAgent.indexOf("e2dk") >= 0)
	localBrowser = "Edonkey";
else if(navigator.userAgent.indexOf("Gnutella") + navigator.userAgent.indexOf("Gnucleus") >= 0)
	localBrowser = "Gnutella";
else if(navigator.userAgent.indexOf("KazaaClient") >= 0)
	localBrowser = "Kazaa";

if(localVersion == '0' && localBrowser != '') {
	var rg = new RegExp("^.*"+localBrowser+".([\\d.]+).*$");
	localVersion = navigator.userAgent.replace(rg, "$1");
}
var localIsCookie = ((localBrowser == 'Netscape' && localVersion == '4')?(document.cookie != ''):navigator.cookieEnabled);

//
// Opener/Closer HTML block
//
function visibleBox(id,skipOpenClose) {
	elm1 = document.getElementById("open"+id);
	elm2 = document.getElementById("close"+id);
	elm3 = document.getElementById("box"+id);

	if(!elm3)
		return false;

	if (skipOpenClose) {
		elm3.style.display = (elm3.style.display == "")?"none":"";
	} else if(elm1) {
		if (elm1.style.display == "") {
			elm1.style.display = "none";
			if(elm2)
				elm2.style.display = "";
			elm3.style.display = "none";
		} else {
			elm1.style.display = "";
			if(elm2)
				elm2.style.display = "none";
			elm3.style.display = "";
		}
	}
}

//
// URL encode
//
function urlEncode(url) {
	return url.replace(/\s/g, "+").replace(/&/, "&").replace(/"/, """)
}

//
// Substitute
//
function substitute(lbl) {
var x, rg;
	for(x = 1; x < arguments.length; x+=2) {
		if(arguments[x] && arguments[x+1]) {
			rg = new RegExp("\\{\\{"+arguments[x]+"\\}\\}", "gi");
			lbl = lbl.replace(rg,  arguments[x+1]);
			rg = new RegExp('~~'+arguments[x]+'~~', "gi");
			lbl = lbl.replace(rg,  arguments[x+1]);
		}
	}
	return lbl;
}

function change_page()	{
	var href=document.getElementById("current_url").value;
	var page = document.getElementById("another_page").value;
	href = href + "&page=" + page;
	self.location = href;
}

function change_product_text(text, tab, ths)	{

	var text_box = document.getElementById("text_box");
//	var current_tab_id = document.getElementById("current_tab");
//	var current_tab = document.getElementById(current_tab_id.value);
	var new_tab = document.getElementById(tab);
	//text_box.innerHTML = '';
	text_box.innerHTML = text;
	new_tab.className = "tab_active";
	ths.className = "tab_active";
	document.getElementById(current_tab_id).className = "tab_unactive";
//	current_tab.className = "tab_unactive";
	current_tab_id = tab
//	current_tab_id.value = tab;
}
function get_max(x,y,z)	{
var max = x;
if (x > y)
	max = x;
else if (y > x)
	max = y;

if ( z > max)
	max = z;


return max;
}


function change_value(id,value)	{
	alert ("id = "+id+"  value = "+value);
	var element = document.getElementById(id);
	element.value = value;
}

function height_correct(spacing, str)	{

	var height1 = document.images[str+"_1"].height;
	var height2 = document.images[str+"_2"].height;
	var height3 = document.images[str+"_3"].height;

	alert("111111");
	if (document.images[str+"_1_spacer"])
		var spacer1 = document.images[str+"_1_spacer"];
	if (document.images[str+"_2_spacer"])
		var spacer2 = document.images[str+"_2_spacer"];
	if (document.images[str+"_3_spacer"])
		var spacer3 = document.images[str+"_3_spacer"];

	var max = get_max(height1, height2, height3);
	var spacing = max + spacing;
	spacer1.height=spacing;
	spacer2.height=spacing;
	spacer3.height=spacing;
}

function addOnloadEvent(fnc){
  if ( typeof window.addEventListener != "undefined" )
    window.addEventListener( "load", fnc, false );
  else if ( typeof window.attachEvent != "undefined" ) {
    window.attachEvent( "onload", fnc );
  }
  else {
    if ( window.onload != null ) {
      var oldOnload = window.onload;
      window.onload = function ( e ) {
        oldOnload( e );
        window[fnc]();
      };
    }
    else
      window.onload = fnc;
  }
}

/*
 *     getElementById() wrapper
 *     */
function _getById(id) {
	if (typeof(id) != 'string' || !id)
		return false;

	var obj = document.getElementById(id);
	if (obj && obj.id != id) {
		obj = false;
		for (var i = 0; i < document.all.length && obj === false; i++) {
			if (document.all[i].id == id) {
				obj = document.all[i];
			}
		}
	}
	return obj;
}

function funcHoverImage(id, src) {
	if (_getById(id)) {
		_getById(id).src = src;
	}
}