// JavaScript Document
function setTab(name,cursel,n){
 for(i=1;i<=n;i++){
  var menu=document.getElementById(name+i);
  var con=document.getElementById("con_"+name+"_"+i);
  menu.className=i==cursel?"hover":"";
  con.style.display=i==cursel?"block":"none";
 }
}

function setmenu(name,cursel,n){
 for(i=1;i<=n;i++){
  var m=document.getElementById(name+i);
  m.className=i==cursel?"hover":"";
 }
}

function set_csn(name,dis,cursel,n){
 for(i=1;i<=n;i++){
  var m=document.getElementById(name+i);
  var d=document.getElementById(dis+i);
  m.className=i==cursel?"hover":"";
  d.className=i==cursel?"con_show":"con_hide";
 }
}

function changeBigImg(url){
	var obj=document.getElementById("big_img");
	obj.src=url;
}

function hightShow(t){
	document.getElementById("download"+t).src = "images/downloadH.gif";
}

function nomalShow(t){
	document.getElementById("download"+t).src = "images/downloadN.gif";
}

$(document).ready(function() {
	function megaHoverOver(){
		$(this).find(".sub").slideDown('fast').fadeTo('fast', 1).show();	  
		//Calculate width of all ul's
		(function($) { 
			jQuery.fn.calcSubWidth = function() {
				rowWidth = 0;
				//Calculate row
				$(this).find("div").each(function() {					
					rowWidth += $(this).width(); 
				});	
			};
		})(jQuery); 
		
		if ( $(this).find(".row").length > 0 ) { //If row exists...
			var biggestRow = 0;	
			//Calculate each row
			$(this).find(".row").each(function() {							   
				$(this).calcSubWidth();
				//Find biggest row
				if(rowWidth > biggestRow) {
					biggestRow = rowWidth;
				}
			});
			//Set width
			$(this).find(".sub").css({'width' :biggestRow});
			$(this).find(".row:last").css({'margin':'0'});
			
		} else { //If row does not exist...
			
			$(this).calcSubWidth();
			//Set Width
			$(this).find(".sub").css({'width' : rowWidth});	
		}
	}
	function megaHoverOut(){ 
	  $(this).find(".sub").slideDown('fast').hide(0);
	}
	var config = {    
		 sensitivity: 2, // number = sensitivity threshold (must be 1 or higher)    
		 interval: 0, // number = milliseconds for onMouseOver polling interval    
		 over: megaHoverOver, // function = onMouseOver callback (REQUIRED)    
		 timeout: 0, // number = milliseconds delay before onMouseOut    
		 out: megaHoverOut // function = onMouseOut callback (REQUIRED)    
	};
	$("ul#nav li .sub").css({'opacity':'1'});
	$("ul#nav li").hoverIntent(config);
});

//banner切换JS
var currentindex=1;

function changeflash(i) {	
currentindex=i;
for (j=1;j<=6;j++){
		if (j==i) 
		{
			$("#flash"+j).fadeIn("normal");
			$("#flash"+j).css("display","block");
			$("#f"+j).removeClass();
			$("#f"+j).addClass("on");	
			$("#flashBg").css("background-color",$("#flash"+j).attr("name"));
		}
		else
		{
			$("#flash"+j).css("display","none");
			$("#f"+j).removeClass();
			$("#f"+j).addClass("nomall");
		}
	}
}

function startAm(){
	timerID = setInterval("timer_tick()",5000);
}

function stopAm(){
	clearInterval(timerID);
}
function timer_tick() {
    currentindex=currentindex>=6?1:currentindex+1;
	changeflash(currentindex);
}
	
$(document).ready(function(){
	startAm();
});

function setbanner_smallbg(name,cursel,n){
	stopAm();
	for(i=1;i<=n;i++){
		var m=document.getElementById(name+i);
		m.className=i==cursel?"on":"nomall";
	}
}


//要闻滚动JS
$(document).ready(function(){
	$("#scrollDiv").Scroll({line:1,speed:500,timer:3000,up:"but_up",down:"but_down"});
});