function isKeywordAvailabele_support()
{
  var de1= document.support["order_number"].value;
  var forme_name="support";
  var invalid=" ";
  var invalid1="-";
  var invalid2=".";
  
  de_name= document.support["name"].value;
  if (de_name == "" ) {
    alert("Please enter the name."); 
    document.support["name"].focus(); 
    return false;
  }
  
  var de= document.support["email"].value;
  if (de== "" || de.indexOf(".") < 1 || de.indexOf("@") < 1){
    alert("Please enter a valid e-mail address."); 
	document.support["email"].focus();  
	return false;
  }
  
  de_handset_code = document.support["handset_code_choose"].value;
  if (de_handset_code == "" ) {
    alert("Please select a carrier."); 
    document.support["handset_code_choose"].focus(); 
    return false;
  }
  
  de_model = document.support["phone_model"].value;
  if (de_model == "" ) {
    alert("Please enter you phone model."); 
    document.support["phone_model"].focus(); 
    return false;
  }
  
  var de2= document.support["phoneA"].value + document.support["phoneB"].value + document.support["phoneC"].value;
  var leng = de2.length;
	var iChars = " ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz!@#$%^&*()+=-[]\\\';,./{}|\":<>?";
	for (var i = 0; i < document.support["phoneA"].value.length; i++) 
	{
	  if (iChars.indexOf(document.support.elements["phoneA"].value.charAt(i)) != -1) 
	  {
		alert ("Please enter a valid area code and phone number (example: 1234567890). ");
		document.support["phoneA"].focus();  
		return false;												
	  }  
	} 
	for (var i = 0; i < document.support["phoneB"].value.length; i++) 
	{
	  if (iChars.indexOf(document.support.elements["phoneB"].value.charAt(i)) != -1) 
	  {
		alert ("Please enter a valid area code and phone number (example: 1234567890). ");
		document.support["phoneB"].focus();  
		return false;												
	  }  
	} 
	for (var i = 0; i < document.support["phoneC"].value.length; i++) 
	{
	  if (iChars.indexOf(document.support.elements["phoneC"].value.charAt(i)) != -1) 
	  {
		alert ("Please enter a valid area code and phone number (example: 1234567890). ");
		document.support["phoneC"].focus();  
		return false;												
	  }  
	} 
	
  if (document.support["subject"].value != "General Feedback"){
  if ( de2 == "" || isNaN(de2) || leng < 10 || de2.indexOf(invalid) > -1 || de2.indexOf(invalid1) > -1 || de2.indexOf(invalid2) > -1) {
    alert("Please enter a valid area code and phone number (example: 1234567890). "); 
    document.support["phoneA"].focus();  
    return false;
  }
  }

  de_message= document.support["message"].value;
  if (de_message == "" ) {
    alert("Please enter message."); 
    document.support["message"].focus(); 
    return false;
  }
	
  return true;
}