function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
function headsearchloop()
{
    var k;
    var i=0 ; var j=0;

    document.outsearch.searchtype.value = "rsbutton";

    j = document.ywsearch.searchscope.length;
    document.outsearch.searchtype.value = "rsbutton";

    for( i=0 ; i<j ; i++ )
    {
        if(document.ywsearch.searchscope[i].checked) k = document.ywsearch.searchscope[i].value;
    }

	document.outsearch.searchscope.value = k;

	var selright = document.selection;

    if(selright.type == 'Text')
	{
		var newRangeR = selright.createRange();
		var textr = newRangeR.text;

		if(textr!='')
		{
			if( k == 'in' )
			{
				document.ywsearch.searchtype.value = "rsbutton";
				document.ywsearch.searchcontent.value = escape(textr);
				document.ywsearch.searchfrom.value = "youth";
				document.ywsearch.submit();
			}
			else
			{
				document.outsearch.searchcontent.value=escape(textr);
				document.outsearch.searchfrom.value = "youth";
				document.outsearch.submit();
			}
		}

		return;
	}

	//alert("系統無法搜尋，可能是您尚未選取一段文字或系統不支援此檔案格式");
	alert("請您先壓著滑鼠左鍵選取網頁上的一段文字，再按「以文找文」按鈕，就可以找到您想要尋找的內容喔！");

}

function headkeywordsearch()
{
	document.outsearch.searchtype.value = "searchbutton";
	document.outsearch.searchcontent.value = escape(document.ywsearch.textarea.value);
	document.outsearch.searchfrom.value = "youth";

	var k;
	var i=0 ; var j=0;

    j = document.ywsearch.searchscope.length;
    document.outsearch.searchtype.value = "rsbutton";

    for( i=0 ; i<j ; i++ )
    {
        if(document.ywsearch.searchscope[i].checked) k = document.ywsearch.searchscope[i].value;
    }

	if( k == 'in' )
	{
		document.ywsearch.searchtype.value = "searchbutton";
		document.ywsearch.searchcontent.value = escape(document.ywsearch.textarea.value);
		document.ywsearch.searchfrom.value = "youth";
		document.ywsearch.submit();
		return false;
	}
	else
	{
		document.outsearch.searchscope.value = k;
		document.outsearch.submit();
		return false;
	}
}

function CheckPicSize(chkw) {
	if (chkw > 500) {
		chkw = 500;
	} else { 
		chkw = chkw;
	}
	return chkw;
}