function clear1()
{
	if (document.frmmail.address.value!=="")
	{
		document.frmmail.address.value=""
	}
}
function check()
{
	if (document.frmmail.address.value=="")
	{
		alert("Oops !! You forgot to enter Email address."); 
		document.frmmail.address.focus()
		return false;
	}
	if (document.frmmail.address.value!="")
	{  
		var email=document.forms[0].address.value;
		var reg=new RegExp(	"^[A-Za-z0-9_]{1,}[.]?[A-Za-z0-9_]{1,}@{1,}([A-Za-z0-9_]+[.]{1})+[A-Za-z0-9_]{1,}$");	
		if(!reg.test(email))
		{
				alert("Oops !! You have entered wrong Email address."); 
				document.frmmail.address.focus()
				return false;
		}
	}
		return true;
}