function addEvent(elem,evtType,func,capture){capture=(capture)?capture:false;if(elem.addEventListener){elem.addEventListener(evtType,func,capture);}else if(elem.attachEvent){elem.attachEvent("on"+evtType,func);}else{elem["on"+evtType]=func;}} function removeEvent(elem,evtType,func,capture){capture=(capture)?capture:false;if(elem.removeEventListener){elem.removeEventListener(evtType,func,capture);}else if(elem.attachEvent){elem.detachEvent("on"+evtType,func);}else{elem["on"+evtType]=null;}} function addOnLoadEvent(func){if(window.addEventListener||window.attachEvent){addEvent(window,"load",func,false);}else{var oldQueue=(window.onload)?window.onload:function(){};window.onload=function(){oldQueue();func();}}}