if (document.images) {

ls1on = new Image();
ls1on.src = "img/ryuroll.jpg";

ls1off = new Image();
ls1off.src = "img/ryu1.jpg";

ls2on = new Image();
ls2on.src = "img/shiroll.gif";

ls2off = new Image();
ls2off.src = "img/shinya1.jpg";

ls3on = new Image();
ls3on.src = "img/jroll.jpg";

ls3off = new Image();
ls3off.src = "img/j1.jpg";

ls4on = new Image();
ls4on.src = "img/sugiroll2.gif";

ls4off = new Image();
ls4off.src = "img/sugi1.jpg";

ls5on = new Image();
ls5on.src = "img/inoroll.jpg";

ls5off = new Image();
ls5off.src = "img/ino1.jpg";

}

function lson(jdd){
if (document.images){
document[jdd].src = eval(jdd + "on.src");
			}
		}
		
function lsoff(jdd){
if (document.images){
document[jdd].src = eval(jdd + "off.src");
		  }
		}