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_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_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 switchContent(strId)
{
	document.getElementById(aryContent[strId]['content']).style.display = '';
	for (strDivName in aryContent)
	{
		if (aryContent[strDivName]['group'] == aryContent[strId]['group'] && strDivName != strId)
		{
			document.getElementById(aryContent[strDivName]['content']).style.display = 'none';
		}
	}
}

var aryContent = {
	longre: {
		'content': 'news_longre',
		'group': 1
	},
	liuxue: {
		'content': 'news_liuxue',
		'group': 1
	},
	jiaoyu: {
		'content': 'news_jiaoyu',
		'group': 1
	},
        zaixian: {
		'content': 'news_zaixian',
		'group': 1
	},
	    yimin: {
		'content': 'news_yimin',
		'group': 1
	},
		    kctx: {
		'content': 'news_kctx',
		'group': 1
	},
	
	ielts: {
		'content': 'course_ielts',
		'group': 2
	},
	toefl: {
		'content': 'course_toefl',
		'group': 2
	},
	oral: {
		'content': 'course_oral',
		'group': 2
	},
	sat: {
		'content': 'course_sat',
		'group': 2
	},
        net: {
		'content': 'course_net',
		'group': 2
	}
}

function loadCourseArea(intAreaID, intCID)
{
	var strURL = 'areaid=' + intAreaID + '&c_id=' + intCID;
	ajax_callback('POST', '/course/loadCourseArea.asp', returnCourseArea, strURL);
}

function loadCourseAreaBranch(intAreaID, intCID)
{
	var strURL = 'areaid=' + intAreaID + '&c_id=' + intCID;
	ajax_callback('POST', '/course/loadCourseAreaBranch.asp', returnCourseArea, strURL);
}

function returnCourseArea(objReturn)
{
	var strBack = objReturn.responseText;
	var aryBack = strBack.split('$$$');
     try{
	document.getElementById(aryBack[0]).innerHTML = aryBack[1];
     }catch(e){}
}