//iframe自動縮放
var getFFVersion=navigator.userAgent.substring(navigator.userAgent.indexOf("Firefox")).split("/")[1]
//extra height in px to add to iframe in FireFox 1.0+ browsers
var FFextraHeight=getFFVersion>=0.1? 16 : 0 
function dyniframesize(iframename,minHeight) {
	var pTar = null;
	if (document.getElementById){
		pTar = document.getElementById(iframename);
	}
	else{
		eval('pTar = ' + iframename + ';');
	}
	if (pTar && !window.opera){
	//begin resizing iframe
		pTar.style.display="block"
		if (pTar.contentDocument && pTar.contentDocument.body.offsetHeight){
		//ns6 syntax
			pTar.height=(pTar.contentDocument.body.offsetHeight+FFextraHeight>minHeight)? pTar.contentDocument.body.offsetHeight+FFextraHeight:minHeight;
		}
		else if (pTar.Document && pTar.Document.body.scrollHeight){
		//ie5+ syntax
			pTar.height=(pTar.Document.body.scrollHeight>minHeight)? pTar.Document.body.scrollHeight:minHeight;
		}
	}
}

//圖片淡出淡入
 function  transImg(obj,enable) {
 obj.filters.blendtrans.Apply();
 obj.filters[0].enabled=enable;
 obj.filters.blendtrans.Play();
 }