function $(o){return document.getElementById(o);}
function swap_image(_2){var _3=_2.src;if(_3.indexOf("_disabled.")>1){return;}
if(_3.indexOf("_hover.")>1){_2.src=_3.replace("_hover.",".");}else{var _4=_3.substr(0,_3.length-4);_2.src=_4+"_hover"+_3.substr(_3.length-4);}}