function SrcForm_main() { 
	var searchbox = Src_main.keyword;
	if ( check_value( searchbox, '°Ë»ö¾î¸¦ ÀÔ·ÂÇϼ¼¿ä.') )   return ;
	for (var i = 0 ; i < searchbox.value.length ; i ++ ) {
		var chr = searchbox.value.substring( i,  i + 1 );
		if (chr == "?" || chr == "," || chr == "$" || chr == "." || chr == "\'" || chr == "\"" || chr == "<" || chr == "`") {
			alert("°Ë»ö¾î¿¡´Â "+chr+" ¸¦ »ç¿ëÇÒ ¼ö ¾ø½À´Ï´Ù.(?,ÄÞ¸¶(,),$,\',\",.,<,`,& »ç¿ëºÒ°¡)");
			searchbox.focus();
			return;
		}
	}
	//±ÝÄ¢¾î°Ë»ö
	var chk_keyword = keywordCheck(searchbox.value);
	if (searchbox.value != chk_keyword)	{
		alert('ÀÔ·ÂÇϽŠ´Ü¾î´Â ±ÝÄ¢¾î·Î °Ë»öÀÌ ºÒ°¡´ÉÇÕ´Ï´Ù.');
		searchbox.value = '';
		searchbox.focus();
		return;
	}
	Src_main.submit();
}