function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      oldonload(); 
      func();
    } 
  }
}

addLoadEvent(function() {
/*	init_panel();
	groupAction.searchGroups(0);*/
});

/*set the Header ID's background img style*/
function randHeader() {
	var myRand = Math.floor(Math.random()*6 + 1);
	myRandImg = new Image();
	myRandImg.src = 'img/rotator'+myRand+'.jpg';
	document.write('<img src="'+myRandImg.src+'" alt="上海长江轮船公司" height="246" width="577" />');
}

function randSlogan() {
	var myRand = Math.floor(Math.random()*3+1);
	var mys = new Array();
	mys[0] = "企业精神 - 求新求进 唯实唯优";
	mys[1] = "核心价值理念 - 诚信忠实 和谐关爱";
	mys[2] = "核心价值理念 - 严谨勤俭 创新一流";
	mys[3] = "企业精神 - 求新求进 唯实唯优";
	document.write(mys[myRand]);
}

var Menu ={
  show:function(i)
  {
    Menu.hideAll();
	var id = "sub"+i;
	var menuid ="my"+i;
	$(id).style.display='';
	$(menuid).style.background = 'url(img/arrow_line.gif) no-repeat left top';
  },
  hideAll:function() {
	  for(i=1;i<9;i++) {
		  var id = "sub"+i;
		  var menuid ="my"+i;
		  $(id).style.display='none';
		  $(menuid).style.background = 'url(img/arrow.gif) no-repeat left top';
	  }
  }  
};