Light Speed Inline Editing Using ASP.NET AJAX and Web Services: Part I

function onKeyPressDecimalValueHandler(eventObj,obj)  
  {   
      var thisRef;
      if(obj==null)
        thisRef = this;
      else
        thisRef = obj;
    
      function isValidInput(key,value)
      {
          if(key == "." && value.indexOf(".")==-1)
            return true;
          if(isNaN(key)) 
             return false;
          else
             return true;    
            
      }
   
      if(typeof event == "undefined")
      {
          var key =  String.fromCharCode(eventObj.charCode); 
          if(eventObj.charCode == 0)
             return;
          if(!isValidInput(key, thisRef.value))
             eventObj.preventDefault();
      }
      else
      {
          var key =  String.fromCharCode(event.keyCode); 
          if(!isValidInput(key, thisRef.value)) 
             event.returnValue = false;
      }
      
         
  }
  
  
 function onSelectFreightValueHandler(editAreaSettings, editArea)
 { 
    
     var children = extractDHTMLElements(editArea);
     children[1].onkeypress = onKeyPressDecimalValueHandler;
     
 }
 
 function onRenderPriorityValue(editAreaSettings, editArea)
 { 
      var dataSourceControl = document.getElementById(editAreaSettings.areaDataSourceControlID);
      var children = extractDHTMLElements(editArea);
      var readField = children[0];
      switch(dataSourceControl.value)
      {
          case HIGHEST_PRIORITY:
              readField.innerHTML = HIGHEST_PRIORITY_IMAGE;
          break; 
          case NORMAL_PRIORITY:
             readField.innerHTML =  NORMAL_PRIORITY_IMAGE;
          break;
          case LOWEST_PRIORITY:
             readField.innerHTML =  LOWEST_PRIORITY_IMAGE;
             default:/*Do nothing*/   
      } 
      
     editArea.attributes[PRIORITY_ATTR].nodeValue = dataSourceControl.value;
    
 }
 
 function onSelectPriorityValue(editAreaSettings, editArea)
 {
     var dataSourceControl = document.getElementById(editAreaSettings.areaDataSourceControlID);
     dataSourceControl.value =  editArea.attributes[PRIORITY_ATTR].nodeValue;
 }
 
 
 
 function onEditRushValueHandler(editAreaSettings, editArea)
 {
   
      var isRushOrderSpan = getFirstDHTMLElement(editArea);
      isRushOrderSpan.disabled = false;
      var isRushOrderChk = getFirstDHTMLElement(isRushOrderSpan);
      isRushOrderChk.disabled = false;
 }   
 
 function onCancelEditRushValueHandler(editAreaSettings, editArea)
 {
      var isRushOrderSpan = getFirstDHTMLElement(editArea);
      isRushOrderSpan.disabled = true;
      var isRushOrderChk = getFirstDHTMLElement(isRushOrderSpan);
      isRushOrderChk.disabled = true;
   
 
 }  
 
 function onExtractRushValueHandler(retObj, editAreaSettings, editArea) 
 {
      var isRushOrderChk = getFirstDHTMLElement(getFirstDHTMLElement(editArea));
      retObj[editAreaSettings.areaName] = isRushOrderChk.checked;
       
 }