function  check()
 {
 
 if(document.form.name.value=="")
 {
   alert("Please Enter  Name");
    document.form.name.focus();
	return false;
  }
  if(document.form.phone.value=="")
  
  {
  alert("Please Enter Phone Number");
    document.form.phone.focus();
	return false;
  }
  var Email=(document.form.email.value);
 if(Email=='')
  {
   alert("Please Enter Email ID");
   document.form.email.focus();
   return false;
  }
  if(!(Email.search(/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/) != -1))
  {
   alert("Please Enter Valid  Email Id");
   document.form.email.focus();
   return false;
   }
 return true;
 
 
 }