function formValidate()
{
   var cname, cemail, csubject, cmessage, validation;
   validation = true;
   $('#name, #email, #phone, #required, #validEmail').hide();
   with(window.document.emailform)
   {
      cname    = name;
      cemail   = email;
      cphone = phone;
   	  ccontacttype = contactType;
   }
   if(trim(cname.value) == '')
   {
     // alert('Please enter your name');
      $('#name').show();
	  $('#required').show();
	  cname.focus();
	  validation = false;
   }
   if(ccontacttype[0].checked && trim(cemail.value) == '')
   {
      //alert('Please enter your email');
	  $('#email').show();
	  $('#required').show();
      cemail.focus();
	  validation = false;
   }
   else if(ccontacttype[0].checked && trim(cemail.value) != '' && !isEmail(trim(cemail.value)))
   {
	  $('#validEmail').show();
	  $('#required').show();
	  cemail.focus();
	  validation = false;
   }
   if(ccontacttype[1].checked && trim(cphone.value) == '')
   {
     // alert('Please enter your phone number');
      $('#phone').show();
	  $('#required').show();
	  cphone.focus();
      validation = false;
   }
   if(validation)
   {
      cname.value    = trim(cname.value);
      cemail.value   = trim(cemail.value);
      cphone.value = trim(cphone.value);
      return true;
   }
   else
   	  return false;
   
}

function trim(str)
{
   return str.replace(/^\s+|\s+$/g,'');
}

function isEmail(str)
{
	var emailRegEx = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
	if(str.match(emailRegEx))
		return true;
	else
		return false;
}