function validation(form1)
{

	if(form1.name.value=='')
	{
	alert("Please enter Your Name");
	return false;
	}
	
	if(form1.phone.value=='')
	{
	alert("Please enter your phone number");
	return false;
	}
	
	
	if (form1.email.value == "")
  {
    alert ("Please enter  E-Mail address");
	return false;
  }
	if ((form1.email.value.indexOf ('@') == -1 ||   form1.email.value.indexOf ('.') == -1) &&   form1.email.value != "")
  {
    alert (" Please enter Valid E-Mail address");
	return false;
  } 
	

if(form1.comment.value=='')
	{
	alert("Please fill up your Comments");
	return false;
	}
	
	
	
}