oDevId.onmousedown = function(e){ var e = e || window.event;
alert('e:'+e.button);
if(e.button == "2"){
alert(''你点击的是右键) this.value = ''; }else if(e.button == '0'){
alert('你点击的是左键')
} }
oDevId.onmousedown = function(e){ var e = e || window.event;
alert('e:'+e.button);
if(e.button == "2"){
alert(''你点击的是右键) this.value = ''; }else if(e.button == '0'){
alert('你点击的是左键')
} }