<!--
var myImg=new Array();

function set_img(){
	var bt_num = 0;
	for(var i = 0; i < document.images.length; i++){
		if(document.images[i].name != ""){
			if(document.images[i].name == page_name){
				document.images[page_name].src = document.images[page_name].src.replace(/(\.gif$|\.jpg$|\.jpeg$|\.png$)/, "_r$1");
			}else{
				var num = document.images[i].name.match(/\d+$/);
				myImg[num] = new Array(document.images[i].src, document.images[i].src.replace(/(\.gif$|\.jpg$|\.jpeg$|\.png$)/, "_r$1"));
			}
		}
	}
}

function roll_img(name,sw){
	var num=name.match(/\d+$/);
	
	try{
		if(name == page_name || myImg[num][1] == ''){
			
		}else if(sw=='on'){
			document.images[name].src=myImg[num][1];
		}else if(sw == 'off'){
			document.images[name].src=myImg[num][0];
		}
	}
	catch(e){
		
	}
}
//-->