function addEvent(elm, evType, fn, useCapture) {
// cross-browser event handling for IE5+, NS6+ and Mozilla/Gecko

	if (elm.addEventListener) {
		elm.addEventListener(evType, fn, useCapture);
		return true;
	} else if (elm.attachEvent) {
		var r = elm.attachEvent('on' + evType, fn);
		return r;
	} else {
		elm['on' + evType] = fn;
	}
}

//global

var langVersion = 'bg';

var nav_home_en = "Home";
var nav_partners_en = "Partners";
var nav_catalog_en = "Catalog";  
var nav_about_en = "About Us";      

var nav_home_bg = "Начало";
var nav_partners_bg = "Партньори";
var nav_catalog_bg = "Каталог";  
var nav_about_bg = "За Нас";      
var code_title_bg = "Код";      
var dim_title_bg = "Размери/ см.";      

var code_title_en = "Code";      
var dim_title_en = "Domension/ sm";

var nav_home_page = "/home.html";
var nav_partners_page = "/partners.html";
var nav_catalog_page = "/catalog.html";  
var nav_about_page = "/about.html";      

var head_home_color = "#EFE1A8";
var head_partners_color = "#F0CF85";
var head_catalog_color = "#A6C8E4";  
var head_about_color = "#B9BFA1";