var curNavID=0;
var navItemNum=6;
var isOverNav=false;
var navOutTimeout;
function init_nav(){
	if(!document.getElementById('navMain')){return;}
	var aTab = document.getElementById('navMain').getElementsByTagName('a');
	for(var i=0;i<aTab.length;i++){
		aTab[i].index=i;
		aTab[i].onmouseover = function(){
			if(navOutTimeout)
			{
			window.clearTimeout(navOutTimeout);
			}
			isOverNav=true;
			for(var ii=0;ii<aTab.length;ii++){
				var subNav=document.getElementById('subMenu'+ii);
				subNav.style.display='none';
			}
			//alert(this.index);
			var thisSubNav=document.getElementById('subMenu'+this.index);
			thisSubNav.style.display='block';
			return false;
		}
		aTab[i].onmouseout = function(){
			navOutTimeout=window.setTimeout('reset_subNav()',500);
		}
		aTab[i].onfocus = function(){this.blur();}
		var subNav=document.getElementById('subMenu'+i);
		subNav.onmouseover=function()
		{
			if(navOutTimeout)
			{
			window.clearTimeout(navOutTimeout);
			}
			isOverNav=true;
		}
		subNav.onmouseout=function()
		{
			navOutTimeout=window.setTimeout('reset_subNav()',500);
		}
	}
}
function reset_subNav()
{
	var aTab = document.getElementById('navMain').getElementsByTagName('a');
	for(var ii=0;ii<aTab.length;ii++){
		var subNav=document.getElementById('subMenu'+ii);
		subNav.style.display='none';
	}
	if(curNavID!=undefined)
	{
		var thisSubNav=document.getElementById('subMenu'+curNavID);
		thisSubNav.style.display='block';
	}
}
ycn.Event.addEvent(window,"load",init_nav);





//survey holder

function init_diaocha(){
	if(!document.getElementById('diaocha')){return;}
	var aTab = document.getElementById('diaocha').getElementsByTagName('a');
	for(var i=0;i<aTab.length;i++){
		aTab[i].onclick = function(){
			for(var ii=0;ii<aTab.length;ii++){
				aTab[ii].parentNode.className = '';
			}
			this.parentNode.className = 'here';
			
			
			var curs = this.parentNode.getAttribute('tab');
			var tabhold = document.getElementById('tabhold').getElementsByTagName('div');
			
			for(j=0;j<tabhold.length;j++){
				tabhold[j].className += ' hide';
			}
			var reg=new RegExp("hide","g");
			tabhold[curs].className = tabhold[curs].className.replace(reg,"");
			
			return false;
		}
		aTab[i].onfocus = function(){this.blur();}
	}
}

ycn.Event.addEvent(window,"load",init_diaocha);