function showElements(frm) {
          var formElementString = "";
          var frmElements = frm.elements;
          
         for (var i=0; i < frmElements.length; i++) {
              formElementString += i + ":" + frmElements[i].name + "\n";
              switch(frmElements[i].type){
			    case "select-one" :
				    frmElements[i].options[frmElements[i].selectedIndex].value == ""
				    frmElements[i].selectedIndex =-1;
				    break;
			    case "text":
				    frmElements[i].value= "";
				    break;
			    case "checkbox":
				    frmElements[i].checked = true;
				    break;
			    case "radio":
				    frmElements[i].checked = true;
				    break;
			   case "textarea":
			      frmElements[i].value="";
			      break;
				 
				 
				    
		        }
         }
          
        }