var chkArray=document.getElementsByName("chkSongID");
 
function selAll(s){
	if(chkArray.length){
		var sel=true;
		switch(s){
			case 1:
				for(i=0;i<chkArray.length;i++){
					if(!chkArray[i].checked){
						sel=false;
						break;
					}
				}
				for(i=0;i<chkArray.length;i++){
				   chkArray[i].checked=sel?false:true; 
				}
				break;
			case 0:
				for(i=0;i<chkArray.length;i++){
				   chkArray[i].checked=chkArray[i].checked?false:true; 
				}
				break;	
		}
	}

}

function sel(){
	var sel=false;
	if(chkArray.length){
		for(i=0;i<chkArray.length;i++){
			if(chkArray[i].checked){
				sel=true;
				break;
			}
		}
	}
	return sel;
}

function playMusicList(id){

	if(id){
		window.open("/player/?id="+id+"","Yindia","menubar=no,location=no,resizable=no,scrollbars=no,status=no,width=500,height=300");
	}
	else
	{
		if(sel()){
			var id="";
			for(i=0;i<chkArray.length;i++){
				if(chkArray[i].checked){
					id+=chkArray[i].value+",";
				}
			}
			id=id.substring(0,id.length-1);

			window.open("/player/?id="+id+"","Yindia","menubar=no,location=no,resizable=no,scrollbars=no,status=no,width=500,height=300");
		}
		else
		{
			alert("你还没有选择任何歌曲");
		}
	}
}

function DownloadMusic(link){
	window.open(""+link+"","Yindia_下载音乐","menubar=no,location=no,resizable=no,scrollbars=no,status=no,width=200,height=50");
}