var tabSBI = 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 eSBI(e){
			if(document.getElementById(e))return document.getElementById(e);
			else return false;
		}	
		function zavihki_sbi(i){
			eSBI('zavihek1sbi').className='';eSBI('zavihek2sbi').className='';eSBI('zavihek3sbi').className='';
			eSBI('zavihek'+i+'sbi').className='selected';
			tabSBI = i;
			hideAndShowSBI();
		}
		function hideAndShowSBI(){
			eSBI('sbi1').className='hidden';
			eSBI('sbi2').className='hidden';
			eSBI('sbi3').className='hidden';
			
			eSBI('sbi'+tabSBI).className='';				
		}
		function assignSBI(){
			eSBI('zavihek1sbi').onclick=function(){zavihki_sbi(1);return false;}
			eSBI('zavihek2sbi').onclick=function(){zavihki_sbi(2);return false;}
			eSBI('zavihek3sbi').onclick=function(){zavihki_sbi(3);return false;}
		}
		function initializeSBI(){
			eSBI('sbi1').className='';
			eSBI('sbi2').className='hidden';
			eSBI('sbi3').className='hidden';
		}
		addOnLoad(assignSBI);
		addOnLoad(initializeSBI);