//关闭等待窗口
function closediv(divid) {
    //Close Div 
    document.body.removeChild(document.getElementById(divid));
    document.getElementById("msgDiv").removeChild(document.getElementById
("msgTitle"));
    document.body.removeChild(document.getElementById("msgDiv"));
}
//显示等待窗口
function showdiv(divid,str,sWidth,msgw,close) {
    var msgw, msgh, bordercolor;
    //msgw = 320; //提示窗口的宽度 
    msgh = 100; //提示窗口的高度 
    bordercolor = "#336699"; //提示窗口的边框颜色 
    titlecolor = "#99CCFF"; //提示窗口的标题颜色 
    var sWidth, sHeight;
   // sWidth = window.screen.availWidth;
    //sWidth = document.body.clientWidth;
    if(msgw==null){
    	 msgw = sWidth-3;
    }
   
    
    sHeight = document.body.scrollHeight;
    var bgObj = document.createElement("div");
    bgObj.setAttribute('id', divid);
    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.opacity = "0.6";
    bgObj.style.left = "0";
    bgObj.style.width = sWidth + "px";
    bgObj.style.height = sHeight + "px";
    document.body.appendChild(bgObj);
    var msgObj = document.createElement("div")
    msgObj.setAttribute("id", "msgDiv");
    msgObj.style.width = msgw + "px";
    msgObj.style.height = msgh + "px";
    msgObj.style.top = (document.documentElement.scrollTop + (sHeight - msgh) / 2) + "px";
    msgObj.style.left = (sWidth - msgw) / 2 + "px";
    var title = document.createElement("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";
    if(close){
    	title.style.color = "white";
        title.style.cursor = "pointer";
        title.innerHTML = "关闭";
        title.onclick = function()
        {
        	closediv(divid);
        }
    }
    document.body.appendChild(msgObj);
    document.getElementById("msgDiv").appendChild(title);
    var txt = document.createElement("p");
    txt.style.margin = "1em 0"
    txt.setAttribute("id", "msgTxt");
    txt.innerHTML = str;
    document.getElementById("msgDiv").appendChild(txt);
}
//屏蔽F5
document.onkeydown = mykeydown;
function mykeydown() {
    if (event.keyCode == 116) //屏蔽F5刷新键   
    {
        window.event.keyCode = 0;
        return false;
    }
} 

function refreshDiv(){
	
	
}
    msgObj.setAttribute("align", "center");
    msgObj.style.position = "absolute";
    msgObj.style.background = "white";
    msgObj.style.font = "12px/1.6em Verdana, Geneva, Arial, Helvetica, sans-serif";
    msgObj.style.border = "1px solid " + bordercolor;