function Show_BlkBlackTab(BlkBlackTabid_num,BlkBlackTabnum){
	for(var i=0;i<4;i++){document.getElementById("BlkBlackTabcontent_"+BlkBlackTabid_num+i).style.display="none";}
	for(var i=0;i<4;i++){document.getElementById("BlkBlackTabmenu_"+BlkBlackTabid_num+i).className="BlkBlackTabOff";}
	document.getElementById("BlkBlackTabmenu_"+BlkBlackTabid_num+BlkBlackTabnum).className="BlkBlackTab";
	document.getElementById("BlkBlackTabcontent_"+BlkBlackTabid_num+BlkBlackTabnum).style.display="block";
}