function getObject(objectId) {
    if(document.getElementById && document.getElementById(objectId)) {
	// W3C DOM
	return document.getElementById(objectId);
    } else if (document.all && document.all(objectId)) {
	// MSIE 4 DOM
	return document.all(objectId);
    } else if (document.layers && document.layers[objectId]) {
	// NN 4 DOM.. note: this won't find nested layers
	return document.layers[objectId];
    } else {
	return false;
    }
}

var n=0;
function Mea(value){
	n=value;
	setBg(value);
	plays(value);
	conaus(n);
	}
function setBg(value){
	for(var i=0;i<3;i++)
	document.getElementById("t"+i+"").className="bbg0";
	document.getElementById("t"+value+"").className="bbg1";
	} 
function plays(value){
	try
	{
		with (au){
			filters[0].Apply();
			for(i=0;i<3;i++)i==value?children[i].style.display="block":children[i].style.display="none"; 
			filters[0].play(); 		
			}
	}
	catch(e)
	{
		var d = document.getElementById("au").getElementsByTagName("div");
		for(i=0;i<3;i++)i==value?d[i].style.display="block":d[i].style.display="none"; 
	}
}
function conaus(value){
	try
	{
		with (conau){

				for(i=0;i<3;i++)i==value?children[i].style.display="block":children[i].style.display="none"; 
				
				}
	}
	catch(e)
	{
		var d = document.getElementById("conau").getElementsByTagName("div");
		for(i=0;i<3;i++)i==value?d[i].style.display="block":d[i].style.display="none"; 
	}

}
function clearAuto(){clearInterval(autoStart)}
function setAuto(){autoStart=setInterval("auto(n)", 3000)}
function auto(){
	n++;
	if(n>2)n=0;
	Mea(n);
	conaus(n);
} 
setAuto(); 



function swap_tab(n){
	for(var i=1;i<=3;i++){
		var curC=document.getElementById("tab_"+i);
		var curB=document.getElementById("tab_t"+i);
		if(n==i){
			curC.style.display="block";
			curB.className="active"
		}else{
			curC.style.display="none";
			curB.className="normal"
		}
	}
} 
//ÓÒ²àÇл»2
function swap_tab2(n){
	for(var i=1;i<=2;i++){
		var curC=document.getElementById("tab2_"+i);
		var curB=document.getElementById("tab2_t"+i);
		if(n==i){
			curC.style.display="block";
			curB.className="active"
		}else{
			curC.style.display="none";
			curB.className="normal"
		}
	}
}