function ValidateData()
{    
  var txtCompanyName = document.getElementById("txtCompanyName");
  var txtLastName = document.getElementById("txtLastName");      
  if ((txtCompanyName.value == "" && txtLastName.value == "") )
  {
    alert("You must enter search text in either the Company Name field or the Doctor Last name field in order to run a search.");
    txtCompanyName.focus();
    return false;
  }
  else
    return true;
}   
function Alternate(key)
{ 
 if(key=='see')
 {
    document.getElementById("get").style.display = 'block';
    document.getElementById("see").style.display = 'none';
    document.getElementById("hide").style.display = 'block'; 
    document.getElementById("postclient").style.display = 'block'; 
    
 }
 else if(key=='hide')
 {
    document.getElementById("get").style.display = 'block';
    document.getElementById("hide").style.display = 'none';
    document.getElementById("see").style.display = 'block';
    document.getElementById("postclient").style.display = 'none';
 }
}