// JavaScript Document
function goNavTab(cat){
    var list;
    list = document.getElementsByTagName("li");
    for(var i=0; i<list.length; i++){
        if(list[i].id.indexOf("navItem_") == 0){
            if(list[i].id == "navItem_" + cat)
                list[i].className = "on";
            else
                list[i].className = "";
        }
    }

}

function selectTag(showContent,selfObj){
	// 操作标签
	var tag = document.getElementById("tags").getElementsByTagName("li");
	var taglength = tag.length;
	for(i=0; i<taglength; i++){
		tag[i].className = "";
	}
	selfObj.parentNode.className = "selectTag";
	// 操作内容
	for(i=0; j=document.getElementById("tagContent"+i); i++){
		j.style.display = "none";
	}
	document.getElementById(showContent).style.display = "block";
	
	
}

function selectTag_r1(showContent_r1,selfObj_r1){
	// 操作标签
	var tag_r1 = document.getElementById("tags_r1").getElementsByTagName("li");
	var tag_r1length = tag_r1.length;
	for(i=0; i<tag_r1length; i++){
		tag_r1[i].className = "";
	}
	selfObj_r1.parentNode.className = "selectTag_r1";
	// 操作内容
	for(i=0; j=document.getElementById("tagContent_r1"+i); i++){
		j.style.display = "none";
	}
	document.getElementById(showContent_r1).style.display = "block";
	
	
}

function selectTag_r2(showContent_r2,selfObj_r2){
	// 操作标签
	var tag_r2 = document.getElementById("tags_r2").getElementsByTagName("li");
	var tag_r2length = tag_r2.length;
	for(i=0; i<tag_r2length; i++){
		tag_r2[i].className = "";
	}
	selfObj_r2.parentNode.className = "selectTag_r2";
	// 操作内容
	for(i=0; j=document.getElementById("tagContent_r2"+i); i++){
		j.style.display = "none";
	}
	document.getElementById(showContent_r2).style.display = "block";

}

function selectTag_r3(showContent_r3,selfObj_r3){
	// 操作标签
	var tag_r3 = document.getElementById("tags_r3").getElementsByTagName("li");
	var tag_r3length = tag_r3.length;
	for(i=0; i<tag_r3length; i++){
		tag_r3[i].className = "";
	}
	selfObj_r3.parentNode.className = "selectTag_r3";
	// 操作内容
	for(i=0; j=document.getElementById("tagContent_r3"+i); i++){
		j.style.display = "none";
	}
	document.getElementById(showContent_r3).style.display = "block";
	
	
}

function selectTag_r4(showContent_r4,selfObj_r4){
	// 操作标签
	var tag_r4 = document.getElementById("tags_r4").getElementsByTagName("li");
	var tag_r4length = tag_r4.length;
	for(i=0; i<tag_r4length; i++){
		tag_r4[i].className = "";
	}
	selfObj_r4.parentNode.className = "selectTag_r4";
	// 操作内容
	for(i=0; j=document.getElementById("tagContent_r4"+i); i++){
		j.style.display = "none";
	}
	document.getElementById(showContent_r4).style.display = "block";
	
	
}



function sy_rank(id,obj)
	{
		document.getElementById('sy_rank1').className='';
		document.getElementById('sy_rank2').className='';
		
	
		obj.className='sy_rank_on';
	
		document.getElementById('sy_ranklist1').style.display='none';
		document.getElementById('sy_ranklist2').style.display='none';
	
		str="document.getElementById('sy_ranklist"+id+"').style.display=''";
		eval(str);
	}	




//验证码刷新
function changeImg()
     {
     var img=document.getElementById("imgcode");img.src="server/ValidateCode.aspx?t="+ Math.random();
     }