function Validate()
{
	Msg="";
	Flag=0;
	if(document.getElementById('first_name').value.length==0)
	{
	 Msg+="First Name is a mandatory field.\n";
	 Flag=1;
	}
	if(document.getElementById('last_name').value.length==0)
	{
	 Msg+="Last Name is a mandatory field.\n";
	 Flag=1;
	}
	if(document.getElementById('permanentaddress').value.length==0)
	{
	 Msg+="Permanent Address is a mandatory field.\n";
	 Flag=1;
	}
	if(document.getElementById('notes').value.length==0)
	{
	 Msg+="Comments is a mandatory field.\n";
	 Flag=1;
	}
	if(document.getElementById('email').value.length==0)
	{
	 Msg+="E-mail is a mandatory field.\n";
	 Flag=1;
	}
	else
	{
     if (document.getElementById('email').value.indexOf('@')==-1 || document.getElementById('email').value.indexOf('.')==-1 ) 
	 {
	  Msg+="A valid E-mail address is required.\n";
      flag=1; 
	 }
    }
	if(Flag==1)
	{
	 alert(Msg);
	}
	else
	{
	 document.form1.submit();
	}
}