Event Object Library

1 //event object Library;2 varEventutil={3Addevent:function(OBJ,TYPE,FN) {4         if(obj.addeventlistener) {5Obj.addeventlistener (TYPE,FN,false);6}Else if(obj.attachevent) {7Obj.attachevent (' on ' +TYPE,FN);8         }9     },TenRemoveevent:function(OBJ,TYPE,FN) { One         if(obj.removeeventlistener) { AObj.removeevent (TYPE,FN,false); -}Else if(obj.detachevent) { -Obj.detachevent (' on ' +TYPE,FN); the         } -     }, -GetEvent:function(e) {//Get Event Object -         returne.target| |event.srcelement; +     }, -Preventdefault:function(e) {//block default behavior; +         if(e.preventdefault) { A E.preventdefault (); at}Else{ -E.returnvalue=false; -         } -     }, -Stoppropagation:function(e) {//stop bubbling; -         if(e.stoppropagation) { in e.stoppropagation (); -}Else{ toe.cancelbubble=true; +         } -     }, theCLIENTXY:function(e) {//gets the mouse position within the visible range; *         vart=document.documentelement.scrolltop| |Document.body.scrollTop; $         varl=document.documentelement.scrollleft| |Document.body.scrollLeft;Panax Notoginseng         return{X:l+clientx, y:t+E.clienty}; -     }, theGetrelatedtarget:function(e) { +         if(e.relatedtarget) { A             returnE.relatedtarget; the}Else if(event.toelement) { +             returne.toelement; -}Else if(e.toelement) { $             returne.fromelement; $}Else{ -             return NULL; -         } the     }, -Getbutton:function(e) {Wuyi         if(Document.implementation.hasFeature ("Mouseevents", "2.0")){ the             returnE.button; -}Else{ Wu             Switch(E.button) { -                  Case0: About                  Case1: $                  Case3: -                  Case5: -                  Case7: -                     return0; A                  Case2: +                  Case6: the                     return2; -                  Case4: $                     return1; the             } the         } the     }, theGetcharcode:function(e) { -         if(typeofevent.charcode== ' number '){ in             returnE.charcode; the}Else{ the             returnE.keycode; About         } the     }, theGetwheeldelta:function(e) { the         if(E.wheeldelta) { +             return(Client.engine.opera && client.engine.opera<9.5?-Event.wheelDelta:event.wheelDelta); -}Else{ the             return-event.detail *40;Bayi         } the     } the};

Event Object Library