document.write("<iframe id=MsgBoxFrame name=MsgBoxFrame  src='' frameborder=0 scrolling=no style='display:none;position:absolute;z-index:100;' allowtransparency=true></iframe>");
//document.onclick=hideMsgBox;

function showMsgBox(Id,parameters)
{	
    document.onclick=hideMsgBox;	
	var cf=document.getElementById("MsgBoxFrame");
	cf.src="";
	var wcf=window.frames.MsgBoxFrame;
	
	var oImg=document.getElementById(Id);
	if(!oImg){alert("控制对象不存在！");return;}
//	if(!wcf.bCalLoaded){alert("未成功装载！请刷新页面！");return;}
		
		
	if(cf.style.display=="block"){cf.style.display="none";return;}
	
	var eT=0,eL=0,p=oImg;
	var sT=document.documentElement.scrollTop,sL=document.documentElement.scrollLeft;
	var eH=oImg.height,eW=oImg.width;
	
	while(p&&p.tagName!="BODY")
	{
		eT+=p.offsetTop;
		eL+=p.offsetLeft;
		p=p.offsetParent;
	}	
	
	cf.src="show.do?action=showTip&page="+ escape(parameters);
	
	cf.style.top=(document.documentElement.clientHeight-(eT-sT)-eH>=cf.height)?eT+eH-20:eT+15 + "px";
		
	if(IsIE())
	{
	    cf.style.left=(document.documentElement.clientWidth-(eL-sL)>=cf.width)?eL-118:eL  + "px";
	}
	else
	{
	    cf.style.left=eL-250 + "px";
	}
		
	cf.style.display="block";	
	
}
function hideMsgBox()
{
	var cf=document.getElementById("MsgBoxFrame");
	if(cf)
	{
	cf.style.display="none";
	cf.src="";
	document.onclick=null;
	}
	
}

function IsIE()
{
return ( navigator.appName=="Microsoft Internet Explorer" ); 
}
	
	function IsNav()
	{
		return ( navigator.appName=="Netscape" );
	}