function showMessage(str) {
	var msgw, msgh, bordercolor;
	msgw = 400;
	msgh = 83;
	titleheight = 25;
	bordercolor = "#390";
	titlecolor = "#390";
	var sWidth, sHeight;
	sWidth = document.body.clientWidth;
	sHeight = document.body.clientHeight;
	var bgObj = document.createElement("div");
	bgObj.setAttribute("id", "bgDiv");
	bgObj.style.position = "absolute";
	bgObj.style.top = "0";
	bgObj.style.background = "white";
	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";
	bgObj.style.zIndex = "30000";
	document.body.appendChild(bgObj);
	var msgObj = document.createElement("div");
	msgObj.setAttribute("id", "msgDiv");
	msgObj.setAttribute("align", "center");
	msgObj.style.background = "#E1F0F5";
	msgObj.setAttribute("class","tanchu");
	msgObj.style.position = "absolute";
	msgObj.style.left = "50%";
	msgObj.style.top = "50%";
	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 = "242px";
	msgObj.style.height = msgh + "px";
	msgObj.style.textAlign = "center";
	msgObj.style.lineHeight = "25px";
	msgObj.style.zIndex = "30001";
	var title = document.createElement("h4");
	title.setAttribute("id", "msgTitle");
	title.setAttribute("align", "right");
	title.style.margin = "0";
	title.style.padding = "3px";
	//title.style.background = "tanchu_1.gif";
	title.style.height = "15px";
	title.style.font = "12px Verdana, Geneva, Arial, Helvetica, sans-serif";
	title.style.color = "black";
	title.style.cursor = "pointer";
	title.innerHTML = "\u5173\u95ed";



	title.onclick = function () {
		document.body.removeChild(bgObj);
		document.getElementById("msgDiv").removeChild(title);
		document.body.removeChild(msgObj);
		window.clearTimeout(tt);
	};
	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);

	var tt=window.setTimeout(function () {
		document.body.removeChild(bgObj);
		document.getElementById("msgDiv").removeChild(title);
		document.body.removeChild(msgObj);
	}, 20000); 

}
	
function showMessageLogin(str) {
	var msgw, msgh, bordercolor;
	msgw = 400;
	msgh = 83;
	titleheight = 25;
	bordercolor = "#390";
	titlecolor = "#390";
	var sWidth, sHeight;
	sWidth = document.body.clientWidth;
	sHeight = document.body.clientHeight;
	var bgObj = document.createElement("div");
	bgObj.setAttribute("id", "bgDiv");
	bgObj.style.position = "absolute";
	bgObj.style.top = "0";
	bgObj.style.background = "#D7ECA9";
	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";
	bgObj.style.zIndex = "30000";
	document.body.appendChild(bgObj);
	var msgObj = document.createElement("div");
	msgObj.setAttribute("id", "msgDiv");
	msgObj.setAttribute("align", "center");
	msgObj.style.background = "white";
	msgObj.style.border = "1px solid " + bordercolor;
	msgObj.style.position = "absolute";
	msgObj.style.left = "50%";
	msgObj.style.top = "50%";
	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 = "30001";
	msgObj.style.background  =  "url(bgbg.jpg) no-repeat 0px 22px";
	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 = "4px";
	title.style.font = "12px Verdana, Geneva, Arial, Helvetica, sans-serif";
	title.style.color = "white";
	title.style.cursor = "pointer";
	title.innerHTML = "\u5173\u95ed";
	title.onclick = function () {
		document.body.removeChild(bgObj);
		document.getElementById("msgDiv").removeChild(title);
		document.body.removeChild(msgObj);
		window.clearTimeout(dd);
	};
	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+">><a href=index.jsp>Login</a>";
	document.getElementById("msgDiv").appendChild(txt);

	var dd=window.setTimeout(function () {
		document.body.removeChild(bgObj);
		document.getElementById("msgDiv").removeChild(title);
		document.body.removeChild(msgObj);
	}, 10000); 
}