function $(id)
{
	if(document.getElementById(id))
	{
		return document.getElementById(id);
	}
	else	
	{
		//alert("cannot fine ID : "+id);
		return false;
	}
}

function show(i)
{
	document.getElementById("topbg"+i).style.display="block";
	document.getElementById("title"+i).style.display="none";
	document.getElementById("detail"+i).style.display="block";
	if(document.getElementById("bottombg"+i))document.getElementById("bottombg"+i).style.display="block";
	if(i == 1)
	{		
		
		document.getElementById("topbg2").style.display="none";
		document.getElementById("title2").style.display="block";
		document.getElementById("detail2").style.display="none";
		document.getElementById("bottombg2").style.display="block";
		
		document.getElementById("topbg3").style.display="none";
		document.getElementById("title3").style.display="block";
		document.getElementById("detail3").style.display="none";
		document.getElementById("bottombg3").style.display="block";
		
		document.getElementById("topbg4").style.display="none";
		document.getElementById("title4").style.display="block";
		document.getElementById("detail4").style.display="none";
	}
	else if(i == 2)
	{
		document.getElementById("title1").style.display="block";
		document.getElementById("detail1").style.display="none";
		document.getElementById("bottombg1").style.display="none";		
		
		document.getElementById("topbg3").style.display="none";
		document.getElementById("title3").style.display="block";
		document.getElementById("detail3").style.display="none";
		document.getElementById("bottombg3").style.display="block";
		
		document.getElementById("topbg4").style.display="none";
		document.getElementById("title4").style.display="block";
		document.getElementById("detail4").style.display="none";
		
	}
	else if(i == 3)
	{
		document.getElementById("title1").style.display="block";
		document.getElementById("detail1").style.display="none";
		document.getElementById("bottombg1").style.display="none";		
		
		document.getElementById("topbg2").style.display="block";
		document.getElementById("title2").style.display="block";
		document.getElementById("detail2").style.display="none";
		document.getElementById("bottombg2").style.display="none";
		
		document.getElementById("topbg4").style.display="none";
		document.getElementById("title4").style.display="block";
		document.getElementById("detail4").style.display="none";
		
	}
	else if(i == 4)
	{
		document.getElementById("title1").style.display="block";
		document.getElementById("detail1").style.display="none";
		document.getElementById("bottombg1").style.display="none";		
		
		document.getElementById("topbg2").style.display="block";
		document.getElementById("title2").style.display="block";
		document.getElementById("detail2").style.display="none";
		document.getElementById("bottombg2").style.display="none";
		
		document.getElementById("topbg3").style.display="block";
		document.getElementById("title3").style.display="block";
		document.getElementById("detail3").style.display="none";
		document.getElementById("bottombg3").style.display="none";
		
	}
}

var picNum = 1;
var picInt = setInterval("changepic()",4000);

function picSwap(i)
{
	clearInterval(picInt);
	picNum = i;
	changepic();
}

function changepic()
{
	if(picNum > 6) picNum = 0;
	for(var n = 0; n < 7; n++)
	{
		if(n==picNum) 
		{
			document.getElementById("picbox").getElementsByTagName("img").item(n).style.display="block";
			document.getElementById("titles").getElementsByTagName(	"li").item(n).className ="in_ul3_w";
		}
		else 
		{
			document.getElementById("picbox").getElementsByTagName("img").item(n).style.display="none";
			document.getElementById("titles").getElementsByTagName("li").item(n).className ="";
		}
	}
	picNum++;
}

function startChange()
{
	clearInterval(picInt);
	picInt = setInterval("changepic()",4000);
}

function stopChange()
{
	clearInterval(picInt);	
}

function formsubmit()
{
	//alert($("wsdc").radio.length);
	var checked = false;
	var str = "";
	for(var i = 0; i < $("wsdc").radio.length; i++)
	{
		//alert($("wsdc").radio[i].checked);
		if ($("wsdc").radio[i].checked == true)
		{
			checked = true;
			str += $("wsdc").radio[i].value;
			//alert(str);
		}
	}
	if (checked == true)
	{
		//$("wsdc").submit();	
		window.open("pub/votes/submit.asp?radio=" + str,"投票结果","height=300,width=400,status=no,toolbar=no,menubar=no,location=no");
	}
}

function formchakan()
{
	window.open("pub/votes/submit.asp","投票结果","height=300,width=400,status=no,toolbar=no,menubar=no,location=no");
}