function chkcomment(){
var TRIM_PATTERN = /(^\s*)|(\s*$)/g; // ³»¿ëÀÇ °ªÀ» ºó°ø¹éÀ» trimÇϱâ À§ÇÑ°Í(¾Õ/µÚ) 

	if (!document.write.c_name.value.replace(TRIM_PATTERN,"")) {alert("À̸§À» ÀÔ·ÂÇϼ¼¿ä");document.write.c_name.value='';document.write.c_name.focus();return false;}
	if (!document.write.c_pass.value.replace(TRIM_PATTERN,"")) {alert("¾ÏÈ£¸¦ ÀÔ·ÂÇϼ¼¿ä");document.write.c_pass.value='';document.write.c_pass.focus();return false;}
	if (!document.write.c_content.value.replace(TRIM_PATTERN,"")) {alert("³»¿ëÀ» ÀÔ·ÂÇϼ¼¿ä");document.write.c_content.value='';document.write.c_content.focus();return false;}

	return true;
}