function ob()
{
		  if(document.getElementById("keyword").value==" enter your keyword"){
			document.getElementById("keyword").value="";
			}
}
function oc()
{
		  if(document.getElementById("keyword").value==""){
			document.getElementById("keyword").value=" enter your keyword";
			}
}
function od()
{
		  if(document.getElementById("s_mail").value==" Email"){
			document.getElementById("s_mail").value="";
			}
}
function oe()
{
		  if(document.getElementById("s_mail").value==""){
			document.getElementById("s_mail").value=" Email";
			}
}
function of()
{
		  if(document.getElementById("sign_mail_S").value==" enter your email"){
			document.getElementById("sign_mail_S").value="";
			}
}
function og()
{
		  if(document.getElementById("sign_mail_S").value==""){
			document.getElementById("sign_mail_S").value=" enter your email";
			}
}
function ch_m(){
		if (document.getElementById("s_type").value=="member"){
			  document.getElementById("s_type").value="news"; 
		}else{
			 document.getElementById("s_type").value="member";
		}
}