function opens(id,img){
	var id,img;
	if((document.getElementById(id)).style.display=='none'){
	(document.getElementById(id)).style.display='block';
	(document.getElementById(img)).src='image/bg10.gif';
	}else{
	(document.getElementById(id)).style.display='none';
	(document.getElementById(img)).src='image/bg12.gif';
	}
}

function showMenu(tab,content,n,sum) {
	for (var i=1;i<=sum;i++) {
		if (i==n) {
			document.getElementById(tab+"_"+i).className="active";
			document.getElementById(content+"_"+i).style.display="block";
		}else {
			document.getElementById(tab+"_"+i).className="";
			document.getElementById(content+"_"+i).style.display="none";
		}
	}
}
//预览
function preview(obj_id,v,s_w,s_h){
	if( !v ){
		$(obj_id).style.display = "none";
	}
	else{
		var img = new Image();
		img.onload = function(){
			var w_h = getImageResize(s_w,s_h,img.width,img.height);
			$(obj_id).innerHTML = '<br>预览图<br /><img src="'+v+'" width="'+w_h[0]+'" height="'+w_h[1]+'" />';
			$(obj_id).style.display = "";
		};
		img.src = v;
	}
}
//缩放
function getImageResize(stander_width,stander_height,width,height){
	var r_width=stander_width,r_height=stander_height;
	if( width/height > stander_width/stander_height)
		r_height = (height*stander_width)/width;
	else if( width/height < stander_width/stander_height )
		r_width = (width*stander_height)/height;
	var r = new Array();
	r[0] = r_width;
	r[1] = r_height;
	return r;
}
//显示信息
function msg_box(title,msg){
	Msgbox.show(
	{
		title:title,
		msg:msg,
		button : [
		{
			image : 'sure', 
			desc:'确定', 
			click: function(){
				$(Msgbox.dobj).hide();
				Msgbox.f_shim.hide();
			}
		}
		]
	}
	);
}

//清空一个元素的所有节点
function removeChildren(obj){
	while(obj.hasChildNodes()){
		obj.removeChild(obj.firstChild);
	}
}

//验证QQ
function check_qq(s){
	return s.match(/^[1-9][0-9]{4,12}$/);
}

function clearSelectOptions(obj){
    while(obj.length>0)
		obj.remove(0);
	obj.length=0;
}

//通用
function picons(pics){
	if( pics ){
		pics.className = "td2";
	}
}
function picouts(pics)  {
	if( pics ){
		pics.className = "td1";
	}
}
w = 102;
function scroll(obj,a){
	if(w){
		$(obj).scrollLeft += 2*a;
		w--;
		setTimeout("scroll('"+obj+"',"+a+")",10);
	}
	else{
		w = 102;
	}
}

function bb_cap(id){
	var tag_1 = tag_2 = '';
	var class_name = class_active_name = '';
	for(var i=1;i<=4;i++){
		if( i==id ){
			class_active_name = 'active';
		}
		else{
			class_active_name = '';
		}
		tag_1 = 'bb_btn_'+i;
		tag_2 = 'bb_list_'+i;
		if( id==i ){
			document.getElementById(tag_1).className=class_active_name;
			document.getElementById(tag_2).style.display="";
		}
		else{
			document.getElementById(tag_1).className=class_active_name;
			document.getElementById(tag_2).style.display="none";
		}
	}
}

//通用视频
function picona(pica){
	pica.className = "vedio_bor1";
}
function picouta(pica)  {
	pica.className = "vedio_bor";
}
function delete_match(match_id){
	match_id = parseInt(match_id,10);
	if( match_id<1 ){
		msg_box("删除比赛","请选择要删除的比赛");
	}
	if( confirm("删除比赛时，此比赛的比赛事件也将被删除，请确认?") ){
		var pars = "_a=ajax&op=delete_match&match_id="+match_id;
		pars += "&rid="+parseInt(Math.random()*999999);
		new Ajax.Request(
		'league_man.php',{
			method:'get',
			evalJS : true,
			parameters:pars,
			onComplete:function(xmlRequest){
				var ret = xmlRequest.responseText;
				eval('ret = ' + ret + ';');
				if (ret['status'] == 'succ'){
					var tag = "match_"+ret['data']['match_id'];
					remove_node($(tag));
					alert('删除比赛成功');
				}
				else{
					alert("删除比赛失败:"+ret['desc']);
				}
			}
		}
		);
	}
}