function validation(form1)
{

		
	if (form1.textmail.value == "")
  {
    alert ("Please enter  E-Mail Address");
	return false;
  }
	if ((form1.textmail.value.indexOf ('@') == -1 ||   form1.textmail.value.indexOf ('.') == -1) &&   form1.textmail.value != "")
  {
    alert (" Please enter Valid E-Mail Address");
	return false;
  } 
  
/*if(form1.txtphonenumber.value == '')
	{
	alert("Please fill up your Phone Number");
	return false;
	}
if(form1.mobilenumber.value == '')
	{
	alert("Please fill up your Mobile Number");
	return false;
	}*/
}