function sendmail()
{
	 var provider =  document.getElementById("provider").value;
	 var contact_person =  document.getElementById("contact_person").value;
	 var specialty =  document.getElementById("specialty").value;
	 var address =  document.getElementById("address").value;
	 var city =  document.getElementById("city").value;
	 var state =  document.getElementById("state").value;
	 var zip =  document.getElementById("zip").value;
	 var best_time =  document.getElementById("best_time").value;
	 var phone =  document.getElementById("phone").value;
	 var email =  document.getElementById("email").value;
	 var comments =  document.getElementById("comments").value;
	 
	 if(provider=="")
	{
		alert("Enter the Provider Name!!!");
		document.getElementById('provider').focus();
		return false;
	}
	if(contact_person=="")
	{
		alert("Enter the Contact person Name!!!");
		document.getElementById('contact_person').focus();
		return false;
	}
	if(phone=='')
	 {
	  alert('Enter the phone number!!!' );
	  document.getElementById('phone').focus();
	  document.getElementById('phone').value="";
	  return false;
	}
	if(isNaN(phone))
  	{
    alert(" Enter numbers only!!!");
    document.getElementById('phone').focus();
	document.getElementById('phone').value="";
    return false;
	}
		

			
	 var ajax = new sack();
	
	 ajax.setVar("provider", provider); 
 	 ajax.setVar("contact_person", contact_person); 
  	 ajax.setVar("specialty", specialty); 
  	 ajax.setVar("address", address); 
  	 ajax.setVar("city", city); 
	 ajax.setVar("state", state); 
	 ajax.setVar("zip", zip); 
	 ajax.setVar("best_time", best_time); 
	 ajax.setVar("phone", phone); 
	 ajax.setVar("email", email); 
	 ajax.setVar("comments", comments); 

	 ajax.requestFile = "sendmail.php";
//	 ajax.method = "POST";
//	 ajax.onLoading = whenLoading;
//	 ajax.onLoaded = whenLoaded; 
//	 ajax.onInteractive = whenInteractive;
	 ajax.onCompletion = whenCompleted;
	 ajax.runAJAX();

  }
   function whenCompleted()
	 {
 
		if (ajax.responseStatus){
			var string = "Thank you. We will be contacting you shortly.";
				document.getElementById("specialty").value="";
				document.getElementById("address").value="";
				document.getElementById("city").value="";
				document.getElementById("state").value="";
				document.getElementById("zip").value="";
				document.getElementById("best_time").value="";
				document.getElementById("email").value="";
				document.getElementById("comments").value="";
		} else {
			var string = "Mail send Error!";
		}
	    alert(string);	
	 }