禁止选择文本和禁用右键 v1.0

var zhonghao={
    //绑定事件
    myAddEvent: function(obj, sEvent, fn){if(obj.attachEvent){obj.attachEvent('on'+sEvent, fn);}else{obj.addEventListener(sEvent, fn, false);}},
    //禁止选择文本
    disableselect:function(e){
        var omitformtags=["input", "textarea", "select"]
        omitformtags=omitformtags.join("|")
        if (omitformtags.indexOf(e.target.tagName.toLowerCase())==-1) 
        return false 
    },
    reEnable:function(){ 
        return true 
    },

    //禁用右键 

    stop:function(){ 
    return false; 

    }    

}

zhonghao.myAddEvent(window,"load",function(){

    //禁止选择文本

    if (typeof document.onselectstart!="undefined") 
        document.onselectstart=new Function ("return false");
    else{ 
        document.onmousedown=zhonghao.disableselect ;
        document.onmouseup=zhonghao.reEnable ;
    }


    //禁止右键

    document.oncontextmenu=zhonghao.stop;
})

<script> function stop() {
    return false };
document.oncontextmenu = stop;
javascript: ; </script>

function disableselect(e) {
    var omitformtags = ["input", "textarea", "select"];
    omitformtags = omitformtags.join("|");
    if (omitformtags.indexOf(e.target.tagName.toLowerCase()) == -1);
    return false
};

function reEnable() {
    return true
};
if (typeof document.onselectstart != "undefined") document.onselectstart = new Function("return false");
else {
    document.onmousedown = disableselect();
    document.onmouseup = reEnable()
}