function on_mouseover(){
var mouseover_image = "/images/findAPlan.jpg";
document.getElementById("frmSubmitZip").src = mouseover_image;
}


function on_mouseout(){
var mouseout_image = "/images/findAPlan.jpg";
document.getElementById("frmSubmitZip").src = mouseout_image;
}
  
function maskKeyPressForZipCode_Index(evt) 
{
  
  var keyCode = evt.which ? evt.which : evt.keyCode;               
  if((keyCode>=48 && keyCode<=57) || keyCode == 8 || keyCode == 13 ) 
  {
		submitZipCode(evt);
		return true;// 8 - backspace, 9 - h tab, 11 - v tab, 46 - Delete, 45 is dash
  }
  else
  {
		return false;
  }
}
  
function maskKeyPressForZipCode(evt) 
{
  
  var keyCode = evt.which ? evt.which : evt.keyCode;               
  if((keyCode>=48 && keyCode<=57) || keyCode == 8 || keyCode == 13 ) 
  {
		
		return true;// 8 - backspace, 9 - h tab, 11 - v tab, 46 - Delete, 45 is dash
  }
  else
  {
		return false;
  }
}