function isShow2(tab1_id,div1_id,t_Style,e,f)    //
{
   for(var i = 0;i < e;i++)
   {
    document.getElementById("divs1"+f+"_"+i).style.display="none";
	  document.getElementById("tabs1"+f+"_"+i).style.backgroundImage='url(images/line_2.gif)';
	  document.getElementById("tabs1"+f+"_"+i).className="bgoff2";
   }
   document.getElementById(div1_id).style.display=t_Style;
   document.getElementById(tab1_id).style.backgroundImage='url(images/bg_on2.gif)';
   document.getElementById(tab1_id).className="bgon2";
   clearTimeout(timer);
}
var tablink_idname = new Array("a")
var tabcontent_idname = new Array("divs1B_") 
var tabcount = new Array("3")
var loadtabs = new Array("1") 
var autochangemenu = 1;
var BlkBlackTabPBnum_5=new Array("tabs1B_");
var changespeed = 12;//此处为突出效果而将速度调快，可以改为10左右。
var stoponhover = 0;

function easytabs(menunr, active)
{
	if (menunr == autochangemenu)
	{
		currenttab=active;
	}
	if ((menunr == autochangemenu)&&(stoponhover==1))
	{
		stop_autochange()
	}
	else if ((menunr == autochangemenu)&&(stoponhover==0))
	{
		counter=0;
	}
	menunr = menunr-1;
	for (i=1; i <= tabcount[menunr]; i++)
	{
		//document.getElementById(BlkBlackTabPBnum_menunr+).className='BlkBlackTabPBOff';
		document.getElementById(tabcontent_idname[menunr]+i).style.display = 'none';
	}
	//document.getElementById(tablink_idname[menunr]+active).className='';
	document.getElementById(tabcontent_idname[menunr]+active).style.display = 'block';
	isShow2(5,active);
	//changeIndexHead('a'+active);
}

var timer; counter=0; 
var totaltabs=tabcount[autochangemenu-1];
var currenttab=loadtabs[autochangemenu-1];

function start_autochange()
{
	counter=counter+1;
	if (currenttab == 1)
	{
		timer=setTimeout("start_autochange()",5000);
	}
	else
	{
	timer=setTimeout("start_autochange()",1000);
	}
	if (counter == changespeed+1) {
		currenttab++;
		if (currenttab>totaltabs) {currenttab=1}
		easytabs(autochangemenu,currenttab);restart_autochange();
	}
}

function restart_autochange() {
	clearTimeout(timer);
	counter=0;
	start_autochange();
}

function stop_autochange() {
	clearTimeout(timer);
	counter=0;
}