firefox IE 右键弹出菜单

/* 
 *  创建弹出div窗口。 
    1、接口说明：DivWindow(id,title,width,height,content)  构造函数，创建一个弹出窗口对象 
        参数：id 弹出窗口id； 
              title：弹出窗口标题名称； 
              width：弹出窗口宽度 
              height：弹出窗口高度 
              content： 弹出窗口显示内容 
     
    2、接口说明： closeDivWindow(id)  关闭窗口 
        参数： id 弹出窗口id 
     
    3、接口说明：setPopupTopTitleFontColor(PopupTopTitleFontColor) 设置弹出窗口标题字体颜色 
           参数： 
 
    4、接口说明：setPopupTopBgColor(tBgColor) 设置弹出窗口标题背景颜色 
 
    5、接口说明：setPopupColor(borderColor,bgColor,tFontColor,cBgColor,fColor) 设置弹出窗口风格,包括标题栏的背景，弹出窗口边框颜色，内容窗体背景颜色，内容窗体字体颜色 
 
    6、接口说明：open() 
 
    使用方法：  
        var a = new DivWindow("1","窗口测试",580,400,"Welcome to visited my personal website:<br><a href=http://www.youthfly.net target=_blank>http://www.youthfly.net</a><br><ahref=http://www ... youthfly.net</a><br><br>thx!!!=)..."L); 
        a.setPopupTopBgColor("black","blue","white","white","black"); 
        a.open(); 
 
    生成的html： 
    <div id='"window"+id'></div>  控制背景的div，使背景逐渐变暗 
  <div id='"windowTopBg"+id'> 
      <div id='"windowTop"+id'> 
        <span id='"windowTopTitle"+id'>title</span> 
            <span id='"windowTopOperate"+id'>maxORmin</span> 
            <span id='"windowTopClose"+id'>close</span> 
      </div> 
      <div id='"windowContent"+id'>content</div> 
    </div> 
 
    @author ERIC 
    @date  2007.11.8 
 */ 
 
var isIe = (document.all)?true:false;  
var moveable=false;   
var topDivBorderColor = "#336699";//提示窗口的边框颜色   
var topDivBgColor = "#6795B4";//提示窗口的标题的背景颜色   
var contentBgColor = "white";//内容显示窗口的背景颜色  
var contentFontColor = "black";//内容显示窗口字体颜色  
var titleFontColor = "white"; //弹出窗口标题字体颜色  
var index=1000000;//z-index;  
// 创建弹出窗口，构造函数  
function DivWindow(id,title,w,h,content)  
{  
  this.id = id;//窗口id  
  this.zIndex = index +2;  
  this.title = title;//弹出窗口名称  
  this.message = content;//弹出窗口内容  
  this.width = w;//弹出窗口宽度  
  this.height = h;//弹出窗口高度  
  this.left =  (document.body.clientWidth) ? (document.body.clientWidth - this.width)/2 : 0;//弹出窗口位置，距屏幕左边的位置  
  this.top = (document.body.clientHeight) ? (document.body.clientHeight - this.height)/2 : 0;//弹出窗口位置，距屏幕上边的位置  
  //this.init = init;  
  //this.init();  
}  
//根据构造函数设定初始值，创建弹出窗口  
DivWindow.prototype = {  
  //设置弹出窗口标题字体颜色  
  setPopupTopTitleFontColor:function(tFontColor)  
  {  
    titleFontColor = tFontColor;  
  },  
  //设置弹出窗口标题背景颜色  
  setPopupTopBgColor:function(tBgColor)  
  {  
    topDivBgColor = tBgColor;  
  },  
  //设置弹出窗口风格,包括标题栏的背景，弹出窗口边框颜色，内容窗体背景颜色，内容窗体字体颜色  
  setPopupColor:function(borderColor,bgColor,tFontColor,cBgColor,fColor)  
  {  
     topDivBorderColor = borderColor;  
         topDivBgColor = bgColor;  
       titleFontColor = tFontColor;  
       contentBgColor = cBgColor;  
     contentFontColor = fColor;  
  },  
  //打开一个弹出窗口  
  open: function()  
  {  
      var sWidth,sHeight;   
      sWidth=document.body.clientWidth;   
      sHeight=document.body.clientHeight;   
      var bgObj=document.createElement("div");   
      bgObj.setAttribute('id','window'+this.id);   
      var styles={"top":"0px","left":"0px","position":"absolute","background":"#245","width":sWidth+'px',"height":sHeight+"px"};  
      if(isIe){  
        styles.filter="alpha(opacity=0)";    
      }  
      else 
        styles.opacity=0;    
      test(bgObj,styles);  
      document.body.appendChild(bgObj);   
      //让背景逐渐变暗  
      showBackground(bgObj,25);  
 
      // 弹出窗口框体背景容器  
      var windowTopBgDiv = document.createElement("div");   
      windowTopBgDiv.setAttribute('id','windowTopBg'+this.id);   
      windowTopBgDiv.style.position = "absolute";   
      windowTopBgDiv.style.zIndex = this.zIndex ;  
      windowTopBgDiv.style.width = this.width ;  
      windowTopBgDiv.style.height = this.height;  
      windowTopBgDiv.style.left = this.left;  
      windowTopBgDiv.style.top = this.top;  
      windowTopBgDiv.style.background = topDivBgColor;  
      windowTopBgDiv.style.fontSize = "9pt";  
      windowTopBgDiv.style.cursor = "default";  
      windowTopBgDiv.style.border = "1px solid " + topDivBorderColor;  
      windowTopBgDiv.onmousedown=function(){  
          if(windowTopBgDiv.style.zIndex!=index)  
          {  
             index = index + 2;  
             var idx = index;  
             windowTopBgDiv.style.zIndex=idx;  
          }  
      };   
      // 弹出窗口头部框体  
      var windowTopDiv =  document.createElement("div");   
      windowTopDiv.setAttribute('id','windowTop'+this.id);   
      windowTopDiv.style.position = "absolute";   
      windowTopDiv.style.background = topDivBgColor;//"white";   
      windowTopDiv.style.color = titleFontColor;   
      windowTopDiv.style.cursor = "move";   
      windowTopDiv.style.height = 20;   
      windowTopDiv.style.width = this.width;  
      //开始拖动;  
      windowTopDiv.onmousedown=function(evt){  
        var event=evt || window.event;  
            if(event.button==1 || event.button==0)  
            {  
              //锁定标题栏;  
              //windowTopDiv.setCapture();  
              if(windowTopDiv.setCapture)  
                    windowTopDiv.setCapture();  
                else if(window.captureEvents)  
                    window.captureEvents(Event.MOUSEMOVE|Event.MOUSEUP);  
              //定义对象;  
              var win = windowTopDiv.parentNode;  
              //记录鼠标和层位置;  
              if(!event.clientX)event.clientX=event.pageX;  
                if(!event.clientY)event.clientY=event.pageY;  
              x0 = event.clientX;  
              y0 = event.clientY;  
              //x0 = event.layerX?event.layerX:event.offsetX;  
              //y0 = event.layerY?event.layerY:event.offsetY;  
              x1 = parseInt(win.style.left);  
              y1 = parseInt(win.style.top);  
              //记录颜色;  
              //topDivBgColor = windowTopDiv.style.backgroundColor;  
              //改变风格;  
              //windowTopDiv.style.backgroundColor = topDivBorderColor;  
              win.style.borderColor = topDivBorderColor;  
              moveable = true;  
            }  
      };  
      //停止拖动  
       
      windowTopDiv.onmouseup=function(){  
            if(moveable)  
            {  
              var win = windowTopDiv.parentNode;  
              win.style.borderColor = topDivBgColor;  
              windowTopDiv.style.backgroundColor = topDivBgColor;  
              windowTopDiv.releaseCapture();  
              if(windowTopDiv.releaseCapture)  
                    windowTopDiv.releaseCapture();  
                else if(window.captureEvents)  
                    window.captureEvents(Event.MOUSEMOVE|Event.MOUSEUP);  
              moveable = false;  
            }  
     };  
          // 开始拖动  
     windowTopDiv.onmousemove=function(evt){  
            if(moveable)  
            {  
                var event=evt || window.event;  
                var arr = [0,400,0,300]  
                if(!event.clientX)event.clientX=event.pageX;  
                if(!event.clientY)event.clientY=event.pageY;  
              var win = windowTopDiv.parentNode;  
                var a=x1 + event.clientX - x0;  
                var b=y1 + event.clientY - y0;  
              win.style.left = a<arr[0]?arr[0]:a>arr[1]?arr[1]:a;  
              win.style.top = b<arr[2]?arr[2]:b>arr[3]?arr[3]:b;  
            }  
      };  
      // 双击弹出窗口  
      windowTopDiv.ondblclick=function(){  
            maxOrMinPopupDiv(windowTopOperateSpan,windowContentDiv);  
      };  
 
      //增加一个弹出窗口标题的显示  
      var windowTopTitleSpan =  document.createElement("span");   
      windowTopTitleSpan.setAttribute('id','windowTopTitle'+this.id);   
      windowTopTitleSpan.style.width = this.width-2*12-4;   
      windowTopTitleSpan.style.paddingLeft = "3px";   
      windowTopTitleSpan.innerHTML = this.title;   
       
      //增加一个弹出窗口最小化，最大化的操作  
      var windowTopOperateSpan =  document.createElement("span");   
      windowTopOperateSpan.setAttribute('id','windowTopOperate'+this.id);   
      windowTopOperateSpan.style.width = 12;  
      windowTopOperateSpan.style.borderWidth = "0px";  
      windowTopOperateSpan.style.color = titleFontColor;//"white";  
      windowTopOperateSpan.style.fontFamily = "webdings";  
      windowTopOperateSpan.style.cursor = "default";   
      windowTopOperateSpan.innerHTML = "0";   
      //最大化或者最小化弹出窗口操作  
      windowTopOperateSpan.onclick=function(){   
          maxOrMinPopupDiv(windowTopOperateSpan,windowContentDiv);  
      };  
 
        //增加一个弹出窗口关闭的操作  
      var windowTopCloseSpan =  document.createElement("span");   
      windowTopCloseSpan.setAttribute('id','windowTopClose'+this.id);   
      windowTopCloseSpan.style.width = 12;  
      windowTopCloseSpan.style.borderWidth = "0px";  
      windowTopCloseSpan.style.color = titleFontColor;//"white";  
      windowTopCloseSpan.style.fontFamily = "webdings";  
      windowTopCloseSpan.style.cursor = "default";  
      windowTopCloseSpan.innerHTML = "r";   
      // 关闭窗口  
      windowTopCloseSpan.onclick=function(){    
        windowTopDiv.removeChild(windowTopTitleSpan);   
        windowTopDiv.removeChild(windowTopOperateSpan);   
        windowTopDiv.removeChild(windowTopCloseSpan);   
        windowTopBgDiv.removeChild(windowTopDiv);  
        windowTopBgDiv.removeChild(windowContentDiv);  
        document.body.removeChild(windowTopBgDiv);   
        document.body.removeChild(bgObj);   
      };  
 
      // 内容  
     var windowContentDiv =  document.createElement("div");   
      windowContentDiv.setAttribute('id','windowContent'+this.id);    
      windowContentDiv.style.background = contentBgColor;   
      windowContentDiv.style.color = contentFontColor;   
      windowContentDiv.style.cursor = "default";   
      windowContentDiv.style.height = (this.height - 20 -6);  
      windowContentDiv.style.width = this.width;  
      windowContentDiv.style.position = "relative";  
      windowContentDiv.style.left = 0;  
      windowContentDiv.style.top = 24;  
 
      windowContentDiv.style.lineHeight = "20px";  
      windowContentDiv.style.fontSize = "10pt";  
      windowContentDiv.style.wordBreak = "break-all";  
      windowContentDiv.style.padding = "3px";  
      windowContentDiv.innerHTML = this.message;  
 
      //将内容写入到文件中  
      windowTopDiv.appendChild(windowTopTitleSpan);  
      windowTopDiv.appendChild(windowTopOperateSpan);  
      windowTopDiv.appendChild(windowTopCloseSpan);  
      windowTopBgDiv.appendChild(windowTopDiv);  
      windowTopBgDiv.appendChild(windowContentDiv);  
      document.body.appendChild(windowTopBgDiv);   
  }  
}  
 
  //最大或者最小化探出窗口  
  function maxOrMinPopupDiv(windowTopOperateSpan,windowContentDiv)  
  {  
    var win = windowTopOperateSpan.parentNode.parentNode;  
    var tit = windowTopOperateSpan.parentNode;  
    var flg = windowContentDiv.style.display=="none";  
    if(flg)  
    {  
      win.style.height = parseInt(windowContentDiv.style.height) + parseInt(tit.style.height) + 2*2;  
      windowContentDiv.style.display = "block";  
      windowTopOperateSpan.innerHTML = "0";  
    }  
    else 
    {  
      win.style.height =  parseInt(tit.style.height) + 2*2;  
      windowTopOperateSpan.innerHTML = "2";  
      windowContentDiv.style.display = "none";    
    }  
  }  
  //让背景渐渐变暗    
  function showBackground(obj,endInt)    
  {    
   if(isIe)    
   {    
      obj.filters.alpha.opacity+=1;    
      if(obj.filters.alpha.opacity<endInt)    
      {    
        setTimeout(function(){this.showBackground(obj,endInt)},5);    
      }    
    }  
    else 
    {    
      var al=parseFloat(obj.style.opacity);al+=0.01;    
      obj.style.opacity=al;    
      if(al<(endInt/100))    
      {  
         setTimeout(function(){this.showBackground(obj,endInt)},5);  
      }    
    }    
  }  
  //关闭弹出窗口  
function closeDivWindow(id)  
{  
  var windowTopTitleSpan = document.getElementById("windowTopTitle"+id);  
  var windowTopOperateSpan = document.getElementById("windowTopOperate"+id);  
  var windowTopCloseSpan = document.getElementById("windowTopClose"+id);  
  var windowTopDiv = document.getElementById("windowTop"+id);  
  var windowTopBgDiv = document.getElementById("windowTopBg"+id);  
  var windowContentDiv = document.getElementById("windowContent"+id);  
  var bgObj = document.getElementById("window"+id);  
 
  windowTopDiv.removeChild(windowTopTitleSpan);   
  windowTopDiv.removeChild(windowTopOperateSpan);   
  windowTopDiv.removeChild(windowTopCloseSpan);   
  windowTopBgDiv.removeChild(windowTopDiv);  
  windowTopBgDiv.removeChild(windowContentDiv);  
  document.body.removeChild(windowTopBgDiv);   
  document.body.removeChild(bgObj);   
}  
 
function test(dom,styles){  
    for(key in styles){  
        dom.style[key]=styles[key];  
    }  
}