$( function() {
	$( "#selMenu" ).change( function() {
		var selMenu = window.document.getElementById( "selMenu" ).value;		
		for( var i=1; i< 13; i++ ) {
			window.document.getElementById( i ).style.display = "none";
		}
		window.document.getElementById( selMenu ).style.display = "block";
	});
	
});

function fncFileDown(prmFileName){
		var objFrm = window.document.forms[ "frmDown" ];
		
		objFrm.method = "post";
		objFrm.filename.value = prmFileName;					
		objFrm.year_name.value = prmFileName;					
		objFrm.target = "SubFrame";
		objFrm.action = "https://stat.mltm.go.kr/annual/DownAnualfile_year.jsp";
		objFrm.submit();	
}

function checkDownExtension(elem){
	var allowExt = true;
	var extArray = new Array("jsp","html","htm","exe","js","css","java","class","jar","xml","asp","inc","php","aspx","cgi","com","bat");
	var file = elem;
	if(!file) return;
	
	var fileSuffix = file.substring(file.lastIndexOf(".") + 1);
	ext = fileSuffix.toLowerCase();
	for(var i = 0; i < extArray.length; i++){
		if(extArray[i]== ext){
			allowExt = false;
			break;
		}
	}

	return allowExt;
}

function limitDownFile(obj){
	 var allowExt = true;
	 var filename = "";
	 
	 if(obj!="")
	 {
		 allowExt = checkDownExtension(obj);
		 if(!allowExt)
		 {
			 filename = obj;
			 allowExt = false;
		 }
     }
	 else
	 {
		 
	 }

	 if(!allowExt){
		 alert(filename + "\n\n위파일은 다운로드가 금지되어 있습니다.");
		 return false;		 
	 }
	 return true;
}

function downFile(oFileName,rFileName,midpath,frameName){
	 var frm = document.frm;
	 //frm.num.value = num;
	 frm.oFileName.value = oFileName;
	 frm.rFileName.value = rFileName;
	 frm.midpath.value = midpath;
	 frm.target = frameName;
	 frm.action = "https://stat.mltm.go.kr/portal/common/downLoadFile.do";
	 if(limitDownFile(oFileName))
		{
			frm.submit();
		}
		else
		{
			return false;
		}
}