Event.observe(window, "load", function (){
	// ホーム・仕事を探す・会社を探す・クリップ・メッセージ・登録情報
	var classHeader = 'gNav';
	var arTabClassName = new Array('Home','Work','Company','Clip','Message','Userinfo');
	Event.observe($('Home'), "mouseover", function(){ $('Home').className = 'gNavHomeOver'; }, false);
	Event.observe($('Home'), "mouseout", function(){ $('Home').className = 'gNavHome'; }, false);
	Event.observe($('Work'), "mouseover", function(){ $('Work').className = 'gNavWorkOver'; }, false);
	Event.observe($('Work'), "mouseout", function(){ $('Work').className = 'gNavWork'; }, false);
	Event.observe($('Company'), "mouseover", function(){ $('Company').className = 'gNavCompanyOver'; }, false);
	Event.observe($('Company'), "mouseout", function(){ $('Company').className = 'gNavCompany'; }, false);
	Event.observe($('Clip'), "mouseover", function(){ $('Clip').className = 'gNavClipOver'; }, false);
	Event.observe($('Clip'), "mouseout", function(){ $('Clip').className = 'gNavClip'; }, false);
	Event.observe($('Message'), "mouseover", function(){ $('Message').className = 'gNavMessageOver'; }, false);
	Event.observe($('Message'), "mouseout", function(){ $('Message').className = 'gNavMessage'; }, false);
	Event.observe($('Userinfo'), "mouseover", function(){ $('Userinfo').className = 'gNavUserinfoOver'; }, false);
	Event.observe($('Userinfo'), "mouseout", function(){ $('Userinfo').className = 'gNavUserinfo'; }, false);
} , false);