var Sys = {};
    var ua = navigator.userAgent.toLowerCase();
    var s;
    (s = ua.match(/msie ([\d.]+)/)) ? Sys.ie = s[1] :
    (s = ua.match(/firefox\/([\d.]+)/)) ? Sys.firefox = s[1] :
    (s = ua.match(/chrome\/([\d.]+)/)) ? Sys.chrome = s[1] :
    (s = ua.match(/opera.([\d.]+)/)) ? Sys.opera = s[1] :
    (s = ua.match(/version\/([\d.]+).*safari/)) ? Sys.safari = s[1] : 0;
 
	if (Sys.opera || Sys.safari)
	{
		window.setInterval("reinitIframe()", 200);
	}
	function reinitIframe() //针对opera safari
	{
		var iframe = document.getElementById("PandL");
		try{
			var bHeight = iframe.contentWindow.document.body.scrollHeight;
			var dHeight = iframe.contentWindow.document.documentElement.scrollHeight;
			var height = Math.max(bHeight, dHeight);
			iframe.height =  height;
		}catch (ex){}
	}
 
	function iframeAutoFit(iframeObj)
	{ 
		setTimeout(function()
		{
			if(!iframeObj) 
			return;
			iframeObj.height=(iframeObj.Document?iframeObj.Document.body.scrollHeight:iframeObj.contentDocument.body.offsetHeight)+30;//这里+30是有目的的
		},200)
	}