// Clear any HTML form fields
function clearForms(){
  // declare element type
  var type = null;
  // loop through forms on HTML page
  for (x=0; x<document.forms.length; x++){
    // loop through each element on form
    for (y=0; y<document.forms[x].elements.length; y++){
      // define element type
      type = document.forms[x].elements[y].type
      // alert before erasing form element
      //alert('form='+x+' element='+y+' type='+type);
      // switch on element type
      switch(type){
        case "text":
        case "textarea":
        case "password":
        //case "hidden":
          document.forms[x].elements[y].value = "";
          break;
        case "radio":
        case "checkbox":
          document.forms[x].elements[y].checked = "";
          break;
        case "select-one":
          document.forms[x].elements[y].options[0].selected = true;
          break;
        case "select-multiple":
          for (z=0; z<document.forms[x].elements[y].options.length; z++){
            document.forms[x].elements[y].options[z].selected = false;
          }
        break;
      }
    }
  }
}