var ruSite = 'ru-lang-site';
var enSite = 'en-lang-site';
var ruActvId = 'ru-language-actv';
var ruNoneId = 'ru-language-none';
var enActvId = 'en-language-actv';
var enNoneId = 'en-language-none';

window.addEvent('domready', function() {	
	var elems = $$('div').filter(function(item){
		return item.className == ruSite || item.className == enSite;
	});
	
	for (i = 0; i < elems.length; i++) {
		elems[i].addEvents({
		    'mouseover' : function() {	
				if (ruNoneId == this.id) {
					this.id = ruActvId;
				}
				else if (enNoneId == this.id) {
					this.id = enActvId;
				}
			},
		    'mouseout' : function() {	
				
				if (ruActvId == this.id && this.className == enSite) {
					this.id = ruNoneId;
				} 
				else if (enActvId == this.id && this.className == ruSite) {
					this.id = enNoneId;
				}
			}
	    });
	}
});