rys7_roll = new Image();
rys7_roll.src = "g/m7a.jpg";
rys7_idle = new Image();
rys7_idle.src = "g/m7.jpg";

rys8_roll = new Image();
rys8_roll.src = "g/m8.jpg";
rys8_idle = new Image();
rys8_idle.src = "g/m8a.jpg";

rys9_roll = new Image();
rys9_roll.src = "g/pl2.jpg";
rys9_idle = new Image();
rys9_idle.src = "g/pl.jpg";

rys10_roll = new Image();
rys10_roll.src = "g/usa2.jpg";
rys10_idle = new Image();
rys10_idle.src = "g/usa.jpg";

function overImg(objName){
		imgSrc = eval(objName + "_roll.src");
		document[objName].src = imgSrc;
}

function outImg(objName){
		imgSrc = eval(objName + "_idle.src");
		document[objName].src = imgSrc;
}