// JavaScript Document

///此函数应用时，一定要再页面加载<body></body>标签-------------------

function modal_window(str,url)
{
   
   var msgw,msgh,bordercolor;
   msgw=500;//提示窗口的宽度
   msgh=200;//提示窗口的高度
   titleheight=30 //提示窗口标题高度
   bordercolor="#009933";//提示窗口的边框颜色
   titlecolor="#f3faff";//提示窗口的标题颜色

   var sWidth,sHeight;
   
   sWidth=document.body.offsetWidth;//浏览器工作区域内页面宽度
   sHeight=screen.height;//屏幕高度（垂直分辨率）


   //背景层（大小与窗口有效区域相同，即当弹出对话框时，背景显示为放射状透明灰色）
   var bgObj=document.createElement("div");//创建一个div对象（背景层）
   
   //定义div属性，即相当于
   //<div id="bgDiv" style="position:absolute; top:0; background-color:#777; filter:progid:DXImagesTransform.Microsoft.Alpha(style=3,opacity=25,finishOpacity=75); opacity:0.6; left:0; width:918px; height:768px; z-index:10000;"></div>
   bgObj.setAttribute('id','bgDiv');
   bgObj.style.position="absolute";
   bgObj.style.top="0";
   bgObj.style.background="#777";
   //bgObj.style.filter="progid:DXImageTransform.Microsoft.Alpha(style=3,opacity=25,finishOpacity=75";
   bgObj.style.filter="Alpha(opacity=60)";
   bgObj.style.opacity="0.6";
   bgObj.style.left="0";
   bgObj.style.width=sWidth + "px";
   bgObj.style.height=sHeight + "px";
   bgObj.style.zIndex = "10000";
   
   document.body.appendChild(bgObj);//在body内添加该div对象

    //创建一个div对象（提示框层）
   var msgObj=document.createElement("div")
   //定义div属性，即相当于
   //<div id="msgDiv" align="center" style="background-color:white; border:1px solid #336699; position:absolute; left:50%; top:50%; font:12px/1.6em Verdana,Geneva,Arial,Helvetica,sans-serif; margin-left:-225px; margin-top:npx; width:400px; height:100px; text-align:center; line-height:25px; z-index:100001;"></div>
   msgObj.setAttribute("id","msgDiv");
   msgObj.setAttribute("align","center");
   msgObj.style.background="#ffffff";
   msgObj.style.border="2px solid " + bordercolor;
   msgObj.style.position = "absolute";
   msgObj.style.left = "50%";
   msgObj.style.top = "40%";
   msgObj.style.font="12px/1.6em Verdana, Geneva, Arial, Helvetica, sans-serif";
   msgObj.style.marginLeft = "-225px" ;
   msgObj.style.marginTop = -75+document.documentElement.scrollTop+"px";
   msgObj.style.width = msgw + "px";
   msgObj.style.height =msgh + "px";
   msgObj.style.textAlign = "center";
   msgObj.style.lineHeight ="25px";
   msgObj.style.zIndex = "10001";
  
   //创建一个h4对象（提示框标题栏）
   var title=document.createElement("h4");
   //定义h4的属性，即相当于
   //<h4 id="msgTitle" align="right" style="margin:0; padding:3px; background-color:#336699; filter:progid:DXImageTransform.Microsoft.Alpha(startX=20, startY=20, finishX=100, finishY=100,style=1,opacity=75,finishOpacity=100); opacity:0.75; border:1px solid #336699; height:18px; font:12px Verdana,Geneva,Arial,Helvetica,sans-serif; color:white; cursor:pointer;" onclick="">关闭</h4>
   
   title.setAttribute("id","msgTitle");
   title.setAttribute("align","right");
   title.style.margin="0";
   title.style.padding="3px";
   title.style.background=bordercolor;
   title.style.filter="progid:DXImageTransform.Microsoft.Alpha(startX=20, startY=20, finishX=100, finishY=100,style=1,opacity=75,finishOpacity=100);";
   title.style.opacity="0.75";
   title.style.border="1px solid " + bordercolor;
   title.style.height="18px";
   title.style.font="12px Verdana, Geneva, Arial, Helvetica, sans-serif";
   title.style.color="white";
   title.style.cursor="pointer";
   title.innerHTML="关闭";
   title.onclick=removeObj;

   //创建一个input对象（提示框按钮）
   var button=document.createElement("input");
   //定义input的属性，即相当于
   //<input type="button" align="center" style="width:100px; align:center; margin-left:250px; margin-bottom:10px;" value="关闭">
   button.setAttribute("type","button");
   button.setAttribute("value","关闭");
   button.style.width="60px";
   button.style.align="center";
   button.style.marginLeft="250px";
   button.style.marginBottom="10px";
   button.style.background=bordercolor;
   button.style.border="1px solid "+ bordercolor;
   button.style.color="white";
   button.onclick=removeObj;
   
   //点击标题栏触发的事件
   function removeObj()
   {
      //删除背景层Div
     document.body.removeChild(bgObj);
	 //删除提示框的标题栏
     document.getElementById("msgDiv").removeChild(title);
	 //删除提示框层
     document.body.removeChild(msgObj);
	 
	 window.location=url; 
	  
   }
   
   //在body内添加提示框div对象msgObj
   
   document.body.appendChild(msgObj);
   //在提示框div中添加标题栏对象title
   document.getElementById("msgDiv").appendChild(title);       

   //创建一个p对象（提示框提示信息）
   var txt=document.createElement("p");
   //定义p的属性，即相当于
   //<p style="margin:1em 0;" id="msgTxt">测试效果</p>
   txt.style.margin="1em 0"
   txt.setAttribute("id","msgTxt");
   txt.style.left=10;
   
   //来源于函数调用时的参数值
   txt.innerHTML='<br></br>'+str;
   
   //在提示框div中添加提示信息对象txt
   document.getElementById("msgDiv").appendChild(txt);
   //在提示框div中添加按钮对象button//
   //document.getElementById("msgDiv").appendChild(button);
}