function addEvent(elm,evType,fn,useCapture){if(elm.addEventListener){elm.addEventListener(evType,fn,useCapture);return true;}
else if(elm.attachEvent){var r=elm.attachEvent('on'+ evType,fn);EventCache.add(elm,evType,fn);return r;}
else{elm['on'+ evType]=fn;}}
function getEventSrc(e){if(!e)e=window.event;if(e.originalTarget)
return e.originalTarget;else if(e.srcElement)
return e.srcElement;}
function addLoadEvent(func){var oldonload=window.onload;if(typeof window.onload!='function'){window.onload=func;}else{window.onload=function(){oldonload();func();}}}
var EventCache=function(){var listEvents=[];return{listEvents:listEvents,add:function(node,sEventName,fHandler,bCapture){listEvents.push(arguments);},flush:function(){var i,item;for(i=listEvents.length- 1;i>=0;i=i- 1){item=listEvents[i];if(item[0].removeEventListener){item[0].removeEventListener(item[1],item[2],item[3]);};if(item[1].substring(0,2)!="on"){item[1]="on"+ item[1];};if(item[0].detachEvent){item[0].detachEvent(item[1],item[2]);};item[0][item[1]]=null;};}};}();addEvent(window,'unload',EventCache.flush,false);