//弹出提示层
//Author:Daviv
//Blog:http://blog.163.com/jxdawei
//Date:2006-10-27
//Email:jxdawei@gmail.com

			function sAlert(str, type, url){
				
			var msgw,msgh,bordercolor;
			msgw=400;//提示窗口的宽度
			msgh=100;//提示窗口的高度
			titleheight=25 //提示窗口标题高度
			bordercolor="";//提示窗口的边框颜色
			titlecolor="";//提示窗口的标题颜色
			
			 
			var sWidth,sHeight;
			sWidth=document.body.offsetWidth;
			sHeight=screen.height;
			if ( !$('bgDiv') )
			{
				var bgObj=document.createElement("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.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);
			}else
				var bgObj = $('bgDiv');
			
			if ( !$('msgDiv') )
			{
				var msgObj=document.createElement("div")
				msgObj.setAttribute("id","msgDiv");
				msgObj.setAttribute("align","center");
				msgObj.style.marginLeft = "-225px" ;
				msgObj.style.marginTop = -75+document.documentElement.scrollTop+"px";
				msgObj.style.width = msgw + "px";
				msgObj.style.height =msgh + "px";
				/*
				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.textAlign = "center";
				msgObj.style.lineHeight ="25px";
				msgObj.style.zIndex = "10001";
				*/
			}else
				var msgObj = $('msgDiv');
   			
			if ( !$('msgTitle') )
			{
			 
			   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";
			   title.style.color="white";
			  
			   title.style.cursor="pointer";
			    */
			   title.innerHTML="关闭";
			   
		 }else
		 	var title = $('msgTitle');
			
		   title.onclick=function(){
			  
		        document.body.removeChild(bgObj);
                document.getElementById("msgDiv").removeChild(title);
                document.body.removeChild(msgObj);
				
				 if ( type == "1")
				 { 
				  	
				  	document.location.reload();
				 }
				 if ( typeof url != "undefined" && url != "")
				 {
					 document.location.href = url;
				 }
					
				 //$("bgDiv").style.display="none";
            }
			if ( !$('msgDiv') ) 
			{
			   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);
			}
		   // $("bgDiv").style.display="";
		  
            }