function showPage(str1,str2){
        var a = new DivWindow("window_1","窗口测试",320	,240,"<table width=\"100%\" border=\"0\">"+
			"<tr><td>&nbsp;</td><td>系统错误出现异常</td><td>&nbsp;</td></tr><tr><td>错误提示</td>"+
			"<td>"+str1+"："+str2+"</td><td>&nbsp;</td> </tr><tr><td>&nbsp;</td>"+
			"<td><input type=\"button\" name=\"but_1\" value=\"确定返回\" id=\"\" onclick=\"ok_return()\" /></td>"+
			"<td>&nbsp;</td></tr></table>");  
        a.setPopupTopBgColor("black","blue","white","white","black");  
        a.open();  
}

function ok_return(){
		closeDivWindow("window_1");
}

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":"#000000","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";    //显示移动鼠标样式
	  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);   
      };   
	  //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";     
		}   
	  }   
	  //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);    
      }; 
      //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;    
*/  


      // 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 = "9pt";   
      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);    
  }   
}   
  

  //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];   
    }   
}