var tab = 1;
		var range = 'd';
		addOnLoad = function() {
			var wo = window.onload ? window.onload : function() {};
			var f = arguments;
				window.onload = function() {
					for (var i=0,j=f.length;i<j;i++) {
					f[i]();
				}
				wo();
			}
		}
		function e(e){
			if(document.getElementById(e))return document.getElementById(e);
			else return false;
		}	
		function zavihki_borza(i){
			e('zavihek1').className='';e('zavihek2').className='';e('zavihek3').className='';e('zavihek4').className='';
			e('zavihek'+i).className='selected';
			tab = i;
			hideAndShow();
		}
		function hideAndShow(){
			e('zavihek1-inside').className='hidden';
			e('zavihek2-inside').className='hidden';
			e('zavihek3-inside').className='hidden';
			e('zavihek4-inside').className='hidden';
			
			e('zavihek'+tab+'-inside').className='';				
		}
		function assign(){
			e('zavihek1').onclick=function(){zavihki_borza(1);return false;}
			e('zavihek2').onclick=function(){zavihki_borza(2);return false;}
			e('zavihek3').onclick=function(){zavihki_borza(3);return false;}
			e('zavihek4').onclick=function(){zavihki_borza(4);return false;}
		}
		function initialize(){
			e('zavihek1-inside').className='';
			e('zavihek2-inside').className='hidden';
			e('zavihek3-inside').className='hidden';
			e('zavihek4-inside').className='hidden';
		}
		addOnLoad(assign);
		addOnLoad(initialize);