function id (elem_id) {
	return document.getElementById(elem_id);
}


function init_dobycha () {

	
	var aYears_tag_list = id('years_menu_ul').getElementsByTagName('LI');

	
	var aYears = new Array();

	for (var i in aYears_tag_list) {
		if(!isNaN(aYears_tag_list[i].innerHTML)){
			var sTmp = aYears_tag_list[i].innerHTML;
			aYears[aYears.length] = (sTmp.indexOf(' ') == -1) ? sTmp : sTmp.substring(0, sTmp.indexOf(' ')) ;
		}
	}
	
	
	
	for (var j in aYears){
		
		if(id('content_' + aYears[j])){
			addEvent(
				id('years_menu_' + aYears[j]),
				'click',
				function (oEvent) {
					var oEvent = oEvent?
						oEvent :
						(window.event? window.event : null)
						;
					
					if(oEvent && oEvent.srcElement && !window.opera) {
						oEvent.target = oEvent.srcElement;				
					}
					
					
					var iYear = oEvent.target.innerHTML;
					iYear = (iYear.indexOf(' ') == -1) ? iYear : iYear.substring(0, iYear.indexOf(' ')) ;
					
					for (var i in aYears){
						removeClass(id('years_menu_' + aYears[i]), 'selected');
						if(id('content_' + aYears[i]) == null){} else {
							id('content_'  + aYears[i]).style.display = 'none';
						}
					}
					
					addClass(id('years_menu_' + iYear), 'selected');
					id('content_'  + iYear).style.display = 'block';
				}
			)
			
			if(id('comment_' + aYears[j]) && id('comment_header_' + aYears[j])){
				addEvent(
					id('comment_header_' + aYears[j]),
					'click',
					function(oEvent){
						var oEvent = oEvent?
							oEvent :
							(window.event? window.event : null)
							;
						
						if(oEvent && oEvent.srcElement && !window.opera) {
							oEvent.target = oEvent.srcElement;				
						}
						var iYear = oEvent.target.id.substring(15);
						if(id('comment_' + iYear).style.display == 'block'){
							id('comment_' + iYear).style.display = 'none'
							replaceClass(oEvent.target, 'comment_header', 'comment_header_selected');
						} else {
							id('comment_' + iYear).style.display = 'block'
							replaceClass(oEvent.target, 'comment_header_selected', 'comment_header');
						}
					}
				)
			}
		}
	}
}