/***********************************************
* IFrame SSI script II- © Dynamic Drive DHTML code library (http://www.dynamicdrive.com)
* Visit DynamicDrive.com for hundreds of original DHTML scripts
* This notice must stay intact for legal use
***********************************************/

//Input the IDs of the IFRAMES you wish to dynamically resize to match its content height:
//Separate each ID with a comma. Examples: ["myframe1", "myframe2"] or ["myframe"] or [] for none:
var iframeids=["myframe"]

//Should script hide iframe from browsers that don't support this script (non IE5+/NS6+ browsers. Recommended):
var iframehide="yes"

var getFFVersion=navigator.userAgent.substring(navigator.userAgent.indexOf("Firefox")).split("/")[1]
//alert("getFFVersion=" + getFFVersion);
var FFextraHeight=parseFloat(getFFVersion)>=0.1? 16 : 0 //extra height in px to add to iframe in FireFox 1.0+ browsers
//alert("FFextraHeight=" + FFextraHeight);



// 在 onload 時執行
function resizeCaller() {
    var dyniframe=new Array();
    
    for (i=0; i<iframeids.length; i++)
    {
        if (document.getElementById)  // IE8
        {
            // alert("document.getElementById");
            resizeIframe(iframeids[i]);
        }
        
        // document.getElementById == true 時，不會執行下列
        //reveal iframe for lower end browsers? (see var above):
        if ((document.all || document.getElementById) && iframehide=="no")
        {
            // alert("lower end browsers");
            var tempobj=document.all? document.all[iframeids[i]] : document.getElementById(iframeids[i])
            tempobj.style.display="block"
        }
    }
}

function resizeIframe(frameid)
{
    //alert("IE8");
    var currentfr=document.getElementById(frameid);
    if (currentfr && !window.opera)
    {
        // alert(window.opera);    is undefined
        
        
        currentfr.style.display="block";
        
        if (currentfr.contentDocument && currentfr.Document)  // morden browsers
        {
            var biggerHeight = currentfr.contentDocument.body.offsetHeight >= currentfr.Document.body.scrollHeight ? currentfr.contentDocument.body.offsetHeight : currentfr.Document.body.scrollHeight;
            if (biggerHeight < 700)
            {
                biggerHeight = 700;
            }
            currentfr.height = biggerHeight;
            
        }
        else if (currentfr.contentDocument && currentfr.contentDocument.body.offsetHeight) //ns6 syntax
        {
            if (currentfr.contentDocument.body.offsetHeight != 0)
            {
                currentfr.height = currentfr.contentDocument.body.offsetHeight + FFextraHeight;
                if (currentfr.height < 700)
                {
                    currentfr.height = 700;
                } 
                //alert("C");
            }
        }
        else if (currentfr.Document && currentfr.Document.body.scrollHeight) //ie5+ syntax
        {
            if (currentfr.Document.body.scrollHeight != 0)
            {
                currentfr.height = currentfr.Document.body.scrollHeight;
                if (currentfr.height < 700)
                {
                    currentfr.height = 700;
                } 
                //alert("D");
            }
        }
        
        //alert(currentfr.height);
        
        if (currentfr.addEventListener)
        {
            currentfr.addEventListener("load", readjustIframe, false)
        }
        else if (currentfr.attachEvent)
        {
            currentfr.detachEvent("onload", readjustIframe) // Bug fix line
            currentfr.attachEvent("onload", readjustIframe)
        }
    }
}

function readjustIframe(loadevt) 
{
    var crossevt=(window.event)? event : loadevt;
    var iframeroot=(crossevt.currentTarget)? crossevt.currentTarget : crossevt.srcElement;
    if (iframeroot)
    {
        resizeIframe(iframeroot.id);
    }
}

function loadintoIframe(iframeid, url)
{
    if (document.getElementById)
    {
        document.getElementById(iframeid).src=url;
    }
}

if (window.addEventListener)
{
    //alert("window.addEventListener");
    window.addEventListener("load", resizeCaller, false);
}
else if (window.attachEvent)  // IE 8
{
    //alert("window.attachEvent");
    window.attachEvent("onload", resizeCaller);
}
else
{
   // alert("window.onload");
    window.onload=resizeCaller;
}