var showNum = 1;
function $(vId)
{
	return document.getElementById(vId);
}
function changeMenu(vNum)
{
	$('contentD' + showNum).className = 'none';
	showNum = vNum;
	$('contentD' + vNum).className = '';
	
	
	if(document.getElementById("contentD1").currentStyle.display=="none"){
		document.getElementById("navD").style.background = 'url(images/team.gif)';
	}
	else {
		document.getElementById("navD").style.background = 'url(images/person.gif)';
	}
}

//左右点击滚动
var dir=1;//每步移动像素，大＝快
var speed=1;//循环周期（毫秒）大＝慢
var MyMar =0;
$('demoA2').innerHTML=$('demoA1').innerHTML;
function MarqueeA(){
	//alert(demo2.offsetWidth+"\n"+demo.scrollLeft)
	if (dir>0  && ($('demoA2').offsetWidth-$('demoA').scrollLeft)<=0) $('demoA').scrollLeft=0;
	if (dir<0 &&($('demoA').scrollLeft<=0)) $('demoA').scrollLeft=$('demoA2').offsetWidth;
	$('demoA').scrollLeft+=dir;
	
	$('r_r').onmouseout=function() {clearInterval(MyMar)}
	$('r_l').onmouseout=function() {clearInterval(MyMar)}
}
function r_left(){if (dir=-1){dir=1;MyMar=setInterval(MarqueeA,speed)}}//换向左移
function r_right(){if (dir=1){dir=-1;MyMar=setInterval(MarqueeA,speed)}}//换向右移

function $(vId)
{
	return document.getElementById(vId);
}



//菜单切换
function switchTag(tag,content){
	var flag=0;
	for(i=1; i <3; i++)	{
		if ("content"+i==content){
			document.getElementById(content).className="";
			flag=i;
		}
		else{
			document.getElementById("content"+i).className="none";			
		}		
	}
	
	switch (flag){
		case 1:
			document.getElementById("tag1").src="images/xwzx_active.gif";	
			document.getElementById("tag2").src="images/gdhd.gif";	
			break;
		case 2:
			document.getElementById("tag1").src="images/xwzx.gif";	
			document.getElementById("tag2").src="images/gdhd_active.gif";
			break;
	}
}

function switchTagA(tagA,contentA){
	var flag=0;
	for(i=1; i <3; i++)	{
		if ("contentA"+i==contentA){
			document.getElementById(contentA).className="";
			flag=i;
		}
		else{
			document.getElementById("contentA"+i).className="none";
		}
	}
	
	switch (flag){
		case 1:
			document.getElementById("tagA1").src="images/zngg_active.gif";	
			document.getElementById("tagA2").src="images/zyth.gif";	
			break;
		case 2:
			document.getElementById("tagA1").src="images/zngg.gif";	
			document.getElementById("tagA2").src="images/zyth_active.gif";
			break;
	}	
	
}

function switchTagB(tagB,contentB){
	var flag=0;
	for(i=1; i <7; i++)	{
		if ("contentB"+i==contentB){
			document.getElementById(contentB).className="";
			flag=i;
		}
		else{
			document.getElementById("contentB"+i).className="none";
		}
	}
	switch (flag){
		case 1:
			document.getElementById("tagB1").src="images/tthy_active.gif";	
			document.getElementById("tagB2").src="images/fwxm.gif";	
			document.getElementById("tagB3").src="images/zcfg.gif";	
			document.getElementById("tagB4").src="images/wjzl.gif";	
			document.getElementById("tagB5").src="images/lmqy.gif";	
			document.getElementById("tagB6").src="images/twxx.gif";	
			break;
		case 2:
			document.getElementById("tagB1").src="images/tthy.gif";	
			document.getElementById("tagB2").src="images/fwxm_active.gif";	
			document.getElementById("tagB3").src="images/zcfg.gif";	
			document.getElementById("tagB4").src="images/wjzl.gif";	
			document.getElementById("tagB5").src="images/lmqy.gif";	
			document.getElementById("tagB6").src="images/twxx.gif";	
			break;
		case 3:
			document.getElementById("tagB1").src="images/tthy.gif";	
			document.getElementById("tagB2").src="images/fwxm.gif";	
			document.getElementById("tagB3").src="images/zcfg_active.gif";	
			document.getElementById("tagB4").src="images/wjzl.gif";	
			document.getElementById("tagB5").src="images/lmqy.gif";	
			document.getElementById("tagB6").src="images/twxx.gif";	
			break;	
		case 4:
			document.getElementById("tagB1").src="images/tthy.gif";	
			document.getElementById("tagB2").src="images/fwxm.gif";	
			document.getElementById("tagB3").src="images/zcfg.gif";	
			document.getElementById("tagB4").src="images/wjzl_active.gif";	
			document.getElementById("tagB5").src="images/lmqy.gif";	
			document.getElementById("tagB6").src="images/twxx.gif";	
			break;	
		case 5:
			document.getElementById("tagB1").src="images/tthy.gif";	
			document.getElementById("tagB2").src="images/fwxm.gif";	
			document.getElementById("tagB3").src="images/zcfg.gif";	
			document.getElementById("tagB4").src="images/wjzl.gif";	
			document.getElementById("tagB5").src="images/lmqy_active.gif";	
			document.getElementById("tagB6").src="images/twxx.gif";	
			break;	
		case 6:
			document.getElementById("tagB1").src="images/tthy.gif";	
			document.getElementById("tagB2").src="images/fwxm.gif";	
			document.getElementById("tagB3").src="images/zcfg.gif";	
			document.getElementById("tagB4").src="images/wjzl.gif";	
			document.getElementById("tagB5").src="images/lmqy.gif";	
			document.getElementById("tagB6").src="images/twxx_active.gif";	
			break;				
	}	
	
}

function switchTagC(tagC,contentC){
	for(i=1; i <10; i++)	{
		if ("contentC"+i==contentC){
			document.getElementById(contentC).className="";
		}
		else{
			document.getElementById("contentC"+i).className="none";
		}
	}
}

function switchTagE(tagE,contentE){
	for(i=1; i <10; i++)	{
		if ("contentE"+i==contentE){
			document.getElementById(contentE).className="";
		}
		else{
			document.getElementById("contentE"+i).className="none";
		}
	}
}