/********************************************************************
ÇÔ¼ö¸í : fnCheckFileExp()
¼³  ¸í : ÷ºÎ ÆÄÀÏ Ã¼Å© 
********************************************************************/
function fnCheckFileExp (ele, gubun) {

	var_form = eval("document.getElementById('" + ele + "')");
	str = var_form.value;
	strr = str.replace(/[\\]+/g, "===-="); 
	arr_str = strr.split("===-="); 
	var file_name = arr_str[arr_str.length-1];
	var exp_name  = file_name.substring(file_name.length-3,file_name.length);
	var exp_name1 = file_name.substring(file_name.length-4,file_name.length);

	if(gubun == "mov") {

		if((exp_name != "avi")&&(exp_name != "AVI")&&(exp_name != "asf")&&(exp_name != "ASF")
				&&(exp_name != "swf")&&(exp_name != "SWF") &&(exp_name != "mpg")&&(exp_name != "MPG")
				&&(exp_name != "wmv")&&(exp_name != "WMV") &&(exp_name1 != "mpeg")&&(exp_name1 != "MPEG")
				&&(exp_name != "mpe")&&(exp_name != "MPE") ){

			alert("Please select the correct moving image file format.");
			return true;
		}
	}

	if(gubun == "image") {

		if((exp_name != "bmp")&&(exp_name != "BMP")&&(exp_name != "png")&&(exp_name != "PNG")
				&& (exp_name != "gif")&&(exp_name != "GIF")&&(exp_name != "jpg")&&(exp_name != "JPG")
				&& (exp_name != "jpe")&&(exp_name != "JPE")&&(exp_name1 != "jpeg")&&(exp_name1 != "jpeg")){

			alert("Please select the correct image file format.");
			return true;
		}
	}

	if(gubun == "music") {

		if((exp_name != "MP3")&&(exp_name != "mp3")&&(exp_name != "asx")&&(exp_name != "ASX")
				&& (exp_name != "wma")&&(exp_name != "WMA")&&(exp_name != "wav")&&(exp_name != "WAV")
				&& (exp_name != "mid")&&(exp_name != "MID")&&(exp_name1 != "midi")&&(exp_name1 != "MIDI")){

			alert("Please select the correct music file format. ");
			return true;
		}
	}

	if(gubun == "files") {

		if((exp_name != "HWP")&&(exp_name != "hwp")&&(exp_name != "DOC")&&(exp_name != "doc")
				&& (exp_name != "PPT")&&(exp_name != "ppt")&&(exp_name != "XLS")&&(exp_name != "xls")){

			alert("Please select the correct file format.  ");
			return true;
		}
	}

	if(gubun == "imageword") {

		if((exp_name != "bmp")&&(exp_name != "BMP")&&(exp_name != "png")&&(exp_name != "PNG")
				&& (exp_name != "gif")&&(exp_name != "GIF")&&(exp_name != "jpg")&&(exp_name != "JPG")
				&& (exp_name != "jpe")&&(exp_name != "JPE")&&(exp_name1 != "jpeg")&&(exp_name1 != "jpeg")
				&& (exp_name != "ppt")&&(exp_name != "PPT")&&(exp_name1 != "xls")&&(exp_name1 != "XLS")
				&& (exp_name != "txt")&&(exp_name != "TXT")&&(exp_name1 != "csv")&&(exp_name1 != "CSV")
				&& (exp_name != "HWP")&&(exp_name != "hwp")&&(exp_name != "DOC")&&(exp_name != "doc")) {

			alert("À̹ÌÁö³ª ¹®¼­ÆÄÀϸ¸ ¾÷·Îµå °¡´ÉÇÕ´Ï´Ù.");
			return true;
		}
	}

	return false;
}