function subscriber_validation(frm)
{
if(frm.first_name.value==''||frm.first_name.value=='First Name')
	{
		alert("Please Enter your first name");
		frm.first_name.focus();
		return false;
	}
	if(frm.surname.value==''|| frm.surname.value=='Surame' )
	{
		alert("Please Enter your surname");
		frm.surname.focus();
		return false;
	}
	
if(frm.email.value==''|| frm.email.value=='Email')
	{
		alert("Please Enter your email address");
		frm.email.focus();
		return false;
	}
	else
	{
		var result=checkEmail(frm.email.value);
			if(!result)
			{
				alert("Please enter a valid email address");
				frm.email.focus();
				return false;
			}
	}
}
function first_name_mouse_click(ctrl)
{
 	if(ctrl.value=='First Name')
 	{
		ctrl.value='';
	}
}
function first_name_mouse_out(ctrl)
{
	if(ctrl.value=='')
 	{
		ctrl.value='First Name';
	}
}

function surname_mouse_click(ctrl)
{
 	if(ctrl.value=='Surname')
 	{
		ctrl.value='';
	}
}
function surname_mouse_out(ctrl)
{
	if(ctrl.value=='')
 	{
		ctrl.value='Surname';
	}
}
function email_mouse_click(ctrl)
{
 	if(ctrl.value=='Email')
 	{
		ctrl.value='';
	}
}
function email_mouse_out(ctrl)
{
	if(ctrl.value=='')
 	{
		ctrl.value='Email';
	}
}