var tablink_idname = new Array("ranking","multiple","show")
var tabcontent_idname = new Array("rankcontent","mul_content","showcontent") 
var tabcount = new Array("4","3","6")
var loadtabs = new Array("1","1","1")  
var autochangemenu = 3;
var changespeed = 2;
var stoponhover = 1;

function easytabs(menunr, active) {
	if (menunr == autochangemenu){
		currenttab=active;
	}
	if ((menunr == autochangemenu)&&(stoponhover==1)) {
		stop_autochange();
		//alert("stop auto change");
	}
	else if ((menunr == autochangemenu)&&(stoponhover==0))  {
		counter=0;
	} 
	menunr = menunr-1;
	for (i=1; i <= tabcount[menunr]; i++){
		try{
			document.getElementById(tablink_idname[menunr]+i).className='tab'+i;
			document.getElementById(tabcontent_idname[menunr]+i).style.display = 'none';
		}catch(e){}
	}
	try{
		document.getElementById(tablink_idname[menunr]+active).className='tab'+active+' tabactive';
		document.getElementById(tabcontent_idname[menunr]+active).style.display = 'block';
	}catch(e){}
}
		var timer;
		counter=0;
		var totaltabs=tabcount[autochangemenu-1];
		var currenttab=loadtabs[autochangemenu-1];
		function start_autochange(){
			counter=counter+1;
			timer=setTimeout("start_autochange()",1000);
			if (counter == changespeed+1) {
				currenttab++;
				if (currenttab>totaltabs) {
					currenttab=1
				}
				easytabs(autochangemenu,currenttab);
				restart_autochange();
			}
		}
		function restart_autochange(){
			//alert("call restart");
			clearTimeout(timer);
			counter=0;
			start_autochange();
		}
		function stop_autochange(){
			clearTimeout(timer);
			counter=0;
		}

window.onload=function(){
	var menucount=loadtabs.length; 
	var a = 0;
	var b = 1;
	do {
		easytabs(b, loadtabs[a]);
		a++; b++;
		}while (b<=menucount);
	if (autochangemenu!=0){start_autochange();}
}




<!------------------------------------------------------------------------------------
function hz_setTab(m,n){
var tli=document.getElementById("menu"+m).getElementsByTagName("li");
var mli=document.getElementById("main"+m).getElementsByTagName("ul");
for(i=0;i<tli.length;i++){
   tli[i].className=i==n?"hover":"";
   mli[i].style.display=i==n?"block":"none";
}
}