/**
 * @filename   :common.js
 * @author     :jiuxing
 * @description:define common javascript
 * @version    :1.0
 * @created    :2007-05-22
 **/
  function showMenu(lay)
  {
      document.getElementById([lay]).style.display = '';
  }

  function hideMenu(lay)
  {
      document.getElementById([lay]).style.display = 'none';
  }

  function showView(lay, target, show, hide)
  {
    var textObj = document.getElementById(target);   
    if(document.getElementById([lay]).style.display == '')
    {
      hideMenu(lay);
      textObj.innerHTML = show;
    }
    else
    {
      showMenu(lay);
      textObj.innerHTML = hide;
    }
  }
  
  function showButton(lay, target, show, hide)
  {
    var textObj = document.getElementById(target);
    if(document.getElementById([lay]).style.display == '')
    {
      hideMenu(lay);
      textObj.value = show;;
    }
    else
    {
      showMenu(lay);
      textObj.value = hide;
    }
  }
 function selectDblClick(select, target) 
 { 
  	var selectObj = document.getElementById(select);
  	var targetObj = document.getElementById(target);
  	var index = selectObj.selectedIndex;
  	
    if(index < 0){
       alert('Please choice one item and try it again!');
       return;
    }
    
    var length = selectObj.length;
    for(var i=length; i>0; i--)
    {
       index = selectObj.selectedIndex;
       if(index > -1)
       {
       	 var value = selectObj[index].value;  
       	 var text  = selectObj[index].text;	
	  	 var option = document.createElement("option");
	     option.text = text;
	     option.value = value;
	     option.selected = true;
	     targetObj.appendChild(option);
         selectObj.remove(index);
       }
    }
  } 
  
  function addSelectAll(select, target)
  {
  	var selectObj = document.getElementById(select);
  	var targetObj = document.getElementById(target);
  	var index = 0;
  	var value = "";
  	var text = "";
  	
  	if(selectObj.length < 1)
  	{
  		alert('There ares no item left!');
  		return;
  	}
  	
  	while(selectObj.length > 0 )
  	{
  	   index = 0;
  	   value = selectObj[index].value;
  	   text  = selectObj[index].text;
  	   var option = document.createElement('option');
  	   option.text = text;
  	   option.value = value;
  	   targetObj.appendChild(option);
  	   selectObj.remove(index);
  	  //obj.removeChild(obj.childNodes[0]);
  	}
 }

 function checkAll(div,checked)
 {
   var  divObj = document.getElementById(div);
   for(var i=0; i< divObj.childNodes.length; i++)
   {
      if(divObj.childNodes[i].type == 'checkbox')
         divObj.childNodes[i].checked = checked;
   }   
 }

 function check_number(value)
 {
    if (/^\d+$/.test(value))   
    {
       return true;
    }   
    else
    {
       return false;
    }
 }
/*
 function check_empty(value,field)
 {
   if(value == "")
   {
     alert(field + " <{$arrJavascript.empty}>");
     return false;
   } 
 }
*/