function overart(contest){
		for(var i=1;i<=3;i++){
			document.getElementById("title"+i).style.cursor='pointer';
			if(i!=contest){
				document.getElementById("newcon"+i).style.display='none';
				document.getElementById("title"+i).style.color='#595959';
			}else{
				document.getElementById("newcon"+i).style.display='block';
				document.getElementById("title"+i).style.color='#da4901';
			}
		}
	}
function skip(contest){
		if(contest==1)
			window.open("http://news.artgoin.com/");
		else if(contest==2)
			window.open("http://www.artgoin.com/jforum/");
	}
function overank(contest){
	for(var i=1;i<=2;i++){
		document.getElementById("hot"+i).style.cursor='pointer';
		if(i!=contest){
			document.getElementById("hotrank"+i).style.display='none';
			document.getElementById("hot"+i).style.color='#595959';
		}else{
			document.getElementById("hotrank"+i).style.display='block';
			document.getElementById("hot"+i).style.color='#084fc3';
		}
	}
}
function oversnav(contest){
	for(var i=1;i<=3;i++){
		document.getElementById("snavtitle"+i).style.cursor='pointer';
		if(i!=contest){
			document.getElementById("sanvcon"+i).style.display='none';
			document.getElementById("snavtitle"+i).style.borderBottomColor='#dbdbdb';
			document.getElementById("snavtitle"+i).style.color='#343434';
		}else{
			document.getElementById("sanvcon"+i).style.display='block';
			document.getElementById("snavtitle"+i).style.borderBottomColor='#ffffff';
			document.getElementById("snavtitle"+i).style.color='#da4901';
		}
	}
}
function overtag(contest){
	for(var i=1;i<=2;i++){
		document.getElementById("tool"+i).style.cursor='pointer';
		if(i!=contest){
			document.getElementById("tolcon"+i).style.display='none';
			document.getElementById("tool"+i).style.color='#595959';
		}else{
			document.getElementById("tolcon"+i).style.display='block';
			document.getElementById("tool"+i).style.color='#da4901';
		}
	}
}
//切换图片冗余代码
function onsort(obj){
	obj.style.backgroundColor="#e9f3fb";
	}
function offsort(obj){
	obj.style.backgroundColor="#fff";
	}