var g_init_tab_flag = false;

$(window).load(function(){
   init_tabMenu();
});//window onload

function init_tabMenu(){
    if( g_init_tab_flag ) 
      return;
      
    tabMenu("immigrate-menu","immigrate-box",function(box){});
    tabMenu("immigrate2-menu","immigrate2-box",function(box){});
    tabMenu("immigrate3-menu","immigrate3-box",function(box){});
    tabMenu("crn-menu","crn-box",function(box){});
    tabMenu("app-menu","app-box",function(box){});
}

function tabMenu(id,boxId,callback,evt){
	var Items = document.getElementById(id).getElementsByTagName("a");
	var lis = document.getElementById(id).getElementsByTagName("span");
	var MouseDelayTime=200;
	var waitInterval;
	for(var i=0,len = Items.length;i<len;i++){

		$(Items[i]).mouseover(function(e){
			var obj = e.srcElement || e.target;
			
			function selectMenu(){
				var bid = obj.getAttribute("rel");
				var	box = document.getElementById(bid);
				
				var cleanstyle =function(){
					for(var j=0,len=lis.length;j<len;j++){
						if(lis[j].className){
							lis[j].className = "con";
						}
					}
				}
				cleanstyle();
				obj.parentNode.className = "con current";
				 
				for(var k = 1;contentBox = document.getElementById(boxId+k);k++){
					//document.getElementById(boxId+k).style.display = 'none'; 
					$(contentBox).hide();
					
				}
				//document.getElementById(bid).style.display = 'block'; 
				$(box).show();

				return callback(box);
			}
				waitInterval = window.setTimeout(selectMenu,MouseDelayTime)
		
		})
			
		$(Items[i]).mouseout(function(e){
			if(waitInterval!=undefined){
				window.clearTimeout(waitInterval);
			}
		});

		
	}
}//tabMenu