function MessageBox() {
	this.titleheight = "21"; // 提示窗口标题高度
	this.bordercolor = "#666699"; // 提示窗口的边框颜色
	this.titlecolor = "#1259a4"; // 提示窗口的标题颜色
	this.titlebgcolor = "#e4f1fb"; // 提示窗口的标题背景色
	this.bgcolor = "#FFFFFF"; // 提示内容的背景色
	this.MsgAlign="left";

	this.Show=function(title, msg, framesrc, w, h) {
		var iWidth = document.documentElement.clientWidth;
		var iHeight = document.documentElement.clientHeight+document.documentElement.scrollTop*2;
		var bgObj = document.createElement("div");
		bgObj.style.cssText = "position:absolute;left:0px;top:0px;width:"+iWidth+"px;height:"+Math.max(document.body.clientHeight, iHeight)+"px;filter:Alpha(Opacity=30);opacity:0.3;background-color:#000000;z-index:101;";
		document.body.appendChild(bgObj);
		var msgObj=document.createElement("div");
		msgObj.style.cssText = "position:absolute;font:11px ’宋体’;top:"+(iHeight-h)/2+"px;left:"+(iWidth-w)/2+"px;width:"+w+"px;height:"+h+"px;text-align:center;border:1px solid "+this.bordercolor+";background-color:"+this.bgcolor+";padding:1px;line-height:22px;z-index:102;";
		document.body.appendChild(msgObj);
		var table = document.createElement("table");
		msgObj.appendChild(table);
		table.style.cssText = "margin:0px;border:0px;padding:0px;";
		table.cellSpacing = 0;
		var tr = table.insertRow(-1);
		var titleBar = tr.insertCell(-1);
		titleBar.style.cssText = ";width:"+(w-84)+"px;height:"+this.titleheight+"px;text-align:left;padding:3px;margin:0px;font:bold 13px ’宋体’;color:"+this.titlecolor+";cursor:move;background-color:" + this.titlebgcolor;
		titleBar.style.paddingLeft = "10px";
		titleBar.innerHTML = title;
		var moveX = 0;
		var moveY = 0;
		var moveTop = 0;
		var moveLeft = 0;
		var moveable = false;
		var docMouseMoveEvent = document.onmousemove;
		var docMouseUpEvent = document.onmouseup;

		titleBar.onmousedown = function() {
			var evt = getEvent();
			moveable = true;
			moveX = evt.clientX;
			moveY = evt.clientY;
			moveTop = parseInt(msgObj.style.top);
			moveLeft = parseInt(msgObj.style.left);
 
			document.onmousemove = function() {
				if (moveable) {
					var evt = getEvent();
					var x = moveLeft + evt.clientX - moveX;
					var y = moveTop + evt.clientY - moveY;
					if ( x > 0 &&( x + w < iWidth) && y > 0 && (y + h < iHeight) ) {
						msgObj.style.left = x + "px";
						msgObj.style.top = y + "px";
					}
				}
			}
			document.onmouseup = function () {
				if (moveable) {
					document.onmousemove = docMouseMoveEvent;
					document.onmouseup = docMouseUpEvent;
					moveable = false;
					moveX = 0;
					moveY = 0;
					moveTop = 0;
					moveLeft = 0;
				}
			}
		}
		var closeBtn = tr.insertCell(-1);
		closeBtn.style.cssText = "cursor:pointer; padding:2px;background-color:" + this.titlebgcolor;
		closeBtn.innerHTML = "<span style='font-size:10pt;color:'+this.titlecolor+';' mce_style='font-size:10pt;color:'+this.titlecolor+';' id=’closeBtn’>×关闭窗口";
		closeBtn.onclick = function() {
			document.body.removeChild(bgObj);
			document.body.removeChild(msgObj);
		}
		var msgBox = table.insertRow(-1).insertCell(-1);
		msgBox.style.cssText = "font:10pt ’宋体’;";
		msgBox.colSpan = 2;
		if(framesrc != "") {
			msg = "<iframe name='frmAlertWin' id='frmAlertWin' src='about:blank' mce_src='about:blank' frameborder=0 marginwidth=0 marginheight=0 style='height:'+(h-this.titleheight-10)+'px;width:100%;'></iframe>";
		}
		msgBox.innerHTML = "<div style='' mce_style='text-align:'+this.MsgAlign+';'>"+msg+"</div>";
		if (document.getElementById("frmAlertWin") != null) {             
			document.getElementById("frmAlertWin").src = framesrc;
		}
		function getEvent(){
			return window.event || arguments.callee.caller.arguments[0];
		}      
	}    
}
var msgbox=new MessageBox();