function checkForm()
{
   var cemail, cname, mobile, details;
   with(window.document.home_contact_us)
   {
      cemail   = email;
	  cname    = user;
      mobile = mobile;
      details = details;
   }
   
 	if(trim(cname.value) == '')
   {
      alert('Please enter your Full Name');
      cname.focus();
      return false;
   }
 
 	else if(trim(cemail.value) == '')
   {
      alert('Please enter your email');
      cemail.focus();
      return false;
   }  
   
/*   else if(!isEmail(trim(cemail.value)))
   {
      alert('Email address is not valid');
      cemail.focus();
      return false;
   }*/
   else if(trim(mobile.value) == '')
   {
      alert('Please enter Phone Number');
      mobile.focus();
      return false;
   }
   else if(trim(details.value) == '')
   {
      alert('Please enter your Query');
      details.focus();
      return false;
   }
   else
   {
      cemail.value   = trim(cemail.value);
      cname.value    = trim(cname.value);
      mobile.value = trim(mobile.value);
      details.value = trim(details.value);
      return true;
   }
}