// JavaScript Document
cw = function(){};

cw.tab_array = ['CWtab001'];
cw.cont_array = ['CWcont001'];
cw.clicktab;

cw.init = function(){
  cw.contv(cw.cont_array, 'none');
  var len = cw.tab_array.length;
  for(var i=0;i<len;i++){
    var tab = cw.gEbyId(cw.tab_array[i]);
    tab.array_no = i;
    cw.addEvent(tab, 'mouseover', cw.tabMouseEvent);
    cw.addEvent(tab, 'mouseout', cw.tabMouseEvent);
    cw.addEvent(tab, 'click', cw.ContentsSwitch);
  }
};

cw.tabMouseEvent = function(event){
  var tab = event.target || event.srcElement;
  /*if(event.type=='mouseover'){
    cw.tabImgSwitch(new Array(tab.id),'0px bottom');
	tab.style.color = 'red';
  }else if(event.type=='mouseout'){
    if(cw.clicktab!=tab.array_no)
    cw.tabImgSwitch(new Array(tab.id),'0px top');
	tab.style.color = '#000099';
  }*/
  tab.style.cursor = 'pointer';
  
};

cw.tabImgSwitch = function(elmary,value){
  var len = elmary.length;
  /*for(var i=0;i<len;i++){
    cw.gEbyId(elmary[i]).style.backgroundPosition = value;
  }*/
};

cw.ContentsSwitch = function(event){
  var tab = event.target || event.srcElement;
  if(cw.clicktab == tab.array_no){
    cw.tabImgSwitch(cw.tab_array,'0px top');
    cw.contv(cw.cont_array, 'none');
    cw.bdSw(cw.cont_array[0],'none');
    cw.clicktab = undefined;
  }else{
    cw.clicktab = tab.array_no;
    cw.tabImgSwitch(cw.tab_array,'0px top');
    cw.tabImgSwitch(new Array(tab.id),'0px bottom');
    cw.contv(cw.cont_array, 'none');
    cw.contv(new Array(cw.cont_array[tab.array_no]), 'block');
    cw.bdSw(cw.cont_array[0],'solid');
  }
};

cw.contv = function(elm_array,value){
  var len = elm_array.length;
  for(var i=0;i<len;i++){
    cw.gEbyId(elm_array[i]).style.display = value;
  }
};

cw.bdSw = function(elm,value){
  /*if(cw.gEbyId(elm).parentNode.style.getPropertyValue){
    cw.gEbyId(elm).parentNode.style.setProperty('border-style',value,'');
  }else if(cw.gEbyId(elm).parentNode.style.getAttribute){
    cw.gEbyId(elm).parentNode.style.setAttribute('borderStyle',value,'1');
  }*/
};

cw.addEvent = function(obj, type, func) {
  if (obj.addEventListener) {
    obj.addEventListener(type, func, false);
  }
  else if (obj.attachEvent) {
    obj.attachEvent('on' + type, func);
  }
};

cw.gEbyId = function(elm){
  if(document.all) return document.all(elm);
  else if(document.getElementById) return document.getElementById(elm);
  else if(document.layers) return document.layers[elm];
};

cw.addEvent(window, 'load', cw.init);