jsCurrent = function() {
	
	var hEls = document.getElementById("main_menu").getElementsByTagName("LI");
  


	var current_flag = 0;
	for (var i=0, len=hEls.length; i<len; i++) {
		if(hEls[i].id == 'current'){
			current_flag = 1;
			document.getElementById("main_menu").className = 'main_menu_act';
		}
		if(current_flag == 0) {
			hEls[i].className = 'befor';
		}
	}

			if(current_flag == 0)
            {
             	hEls[0].id = 'current';
           	  
              
             		for (var i=0, len=hEls.length; i<len; i++)
                    {
                		hEls[i].className = '';
                    }
             	
            }

}