// JavaScript Document
//Switch Tab Effect
function switchTab(tabpage,tabid){
        var oItem = document.getElementById(tabpage);
	for(var i=0;i<oItem.children.length;i++){
		var x = oItem.children(i);	
		x.className = "";
		var y = x.getElementsByTagName('a');
	}	
	document.getElementById(tabid).className = "Selected";
	var aa = document.getElementById("dtab1");
	var bb = document.getElementById("dtab2");
	var cc = document.getElementById("dtab3");
	aa.style.display='none';
	bb.style.display='none';
	cc.style.display='none';
	 var mm = document.getElementById('d'+tabid);
    mm.style.display='block';
}
function switchTab_b(tabpage,tabid){
        var oItem = document.getElementById(tabpage);
	for(var i=0;i<oItem.children.length;i++){
		var x = oItem.children(i);	
		x.className = "";
		var y = x.getElementsByTagName('a');
	}	
	document.getElementById(tabid).className = "Selected";
	var aa = document.getElementById("dtaa1");
	var bb = document.getElementById("dtaa2");
	aa.style.display='none';
	bb.style.display='none';
    var mm = document.getElementById('d'+tabid);
    mm.style.display='block';
}
function ShowFloatDiv(selfid, divid)
{
 if(selfid != null)
 {
  selfid.style.position = 'relative';
  document.getElementById(divid).style.position = 'absolute';
  document.getElementById(divid).style.top = CountPx(selfid.offsetTop,-30);
  document.getElementById(divid).style.left = CountPx(selfid.offsetLeft,93);
 }
 document.getElementById(divid).style.display = 'block';

}
function HiddenFloatDiv(divid)
{
 document.getElementById(divid).style.display = 'none';
}
function CountPx(PxA,PxB)
{
 return (parseInt(PxA.toString().replace('px','')) + parseInt(PxB.toString().replace('px',''))).toString() + 'px';
}
function ArtChangeBg(name, option, id, numall, num)
{
	for(var i=1; i<=numall; i++)
	{
		
			if( i == 1 )
			{
				document.getElementById(option+i).className='opa0'
			}
			else
			{
				document.getElementById(option+i).className='op0'	
			}
			document.getElementById(name+i).style.display="none";
			document.getElementById(name+"m"+i).style.display="none";
		
	}
	if(num == 1)
	{
		document.getElementById(id).className='opa1';	
	}
	else
	{
		document.getElementById(id).className='op1';
	}	
	document.getElementById(name+num).style.display="block";
	document.getElementById(name+"m"+num).style.display="block";
}
function ArtChangeBgtt(name, option, id, numall, num)
{
	for(var i=1; i<=numall; i++)
	{
		
			if( i == 1 )
			{
				document.getElementById(option+i).className='opa0'
			}
			else
			{
				document.getElementById(option+i).className='op0'	
			}
			document.getElementById(name+i).style.display="none";
		
	}
	if(num == 1)
	{
		document.getElementById(id).className='opa1';	
	}
	else
	{
		document.getElementById(id).className='op1';
	}	
	document.getElementById(name+num).style.display="block";
}
//参数name 内容块id前缀
//参数option 控制标签id前缀
//参数id  当前控制标签id全名
//参数numall 控制标签（内容块）总数
//参数num  当前控制标签（内容块）后缀数
function doZoom(size){
	document.getElementById('news_con').style.fontSize=size+'px'
}