//调整Sidebar高度
function SidebarHeight(strA,strB)
{
    var   a=document.getElementById(strA);
    var   b=document.getElementById(strB);
    if(a != null && b != null)
    {
        if(a.clientHeight<b.clientHeight)
        {
        a.style.height=b.clientHeight+"px";
        }   
        else{
        b.style.height=a.clientHeight+"px";
        }
    }
}

//滚动条定位
function showScrollItem(clientID)
{
    var item = document.getElementById(clientID);
    if(item)
        item.scrollIntoView();
}

//浮动层的显示与隐藏
function showFloat(cover,id){
	var objCover=document.getElementById(cover);
	var objId=document.getElementById(id);
	var scrollW=document.documentElement.scrollWidth;
	var scrollH=document.documentElement.scrollHeight;
	objCover.style.width=scrollW+"px";
	objCover.style.height=scrollH+"px";
	objCover.style.display="block";
	objId.style.display="block";
}
function hideFloat(cover,id){
	var objCover=document.getElementById(cover);
	var objId=document.getElementById(id);
	objCover.style.display="none";
	objId.style.display="none";
}

//全选
function checkAll(chk, eleName)
{
    var state = chk.checked;
    
    var ele = document.getElementById(eleName);
    
    if(ele)
    {
        var control = ele.getElementsByTagName('input');
        
        for(var i = 0; i < control.length; i++)
        {
            if(control[i] != chk)
            {
                control[i].checked = state;
            }
        }
    }
}

function showAllSelect()
{
    var control = document.getElementsByTagName('select');
    for(var i = 0; i < control.length; i++)
    {
        control[i].style.display = "";
    }
}

function hideAllSelect()
{
    var control = document.getElementsByTagName('select');
    for(var i = 0; i < control.length; i++)
    {
        control[i].style.display = "none";
    }
}

function SwitchShow(strA,strB)
{
    var a = document.getElementById(strA);
    var b = document.getElementById(strB);
    if(a != null && b != null)
    {
        a.style.display = "none";
        b.style.display = "";
    }
}

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

//设置图片最大尺寸
function RatImg(Img,w,h)
{
    var image=new Image(); 
    image.src=Img.src; 

    var x=image.width;
    var y=image.height;  

    if (x>w)
    {
        var bl_x=w/x;
        var bl_y=h/y;
        if (bl_x < bl_y)
        {
            bl=bl_x;
        }
        else
        {
            bl=bl_y;
        }
        x=x*bl;
        y=y*bl;
    }
    else
    {
        if (y>h)
        {
            bl=h/y;
            y=h;
            x=x*bl;
        }
    }

    Img.width=x;
    Img.height=y;
}