// JavaScript Document

//start function 
Event.observe( window, 'load', function(){
	rollOver();
	yearReflesh();
	
});


//swap image module named class='swap'
//var g_rolloverImage=new Array();

function rollOver(){
	//画像ロールオーバ
	$$('img.swap').each(function (node){
			var src=node.src;
			var pos=(src.lastIndexOf('.'));
			if(1<pos){	
				var over=src.substr(0,pos)+'_on'+src.substr(pos);
				node.onmouseover=function(){
					this.src=over;
				}
				node.onmouseout=function(){
					this.src=src;
				}
			}
	});
}


function yearReflesh(){
	var date = new Date();
	var newyear = date.getFullYear();
	$('latest').innerHTML = newyear;
}