function secCard(id,n,type){
	  var cardNormal = "cardNormal";
	  var cardSelected = "cardSelected";
	  var cardSpace = "cardSpace";
	  var cardSpaceLeft = "cardSpaceLeft";
	  var cardSpaceLast = "cardSpaceLast";
	  //========type=0 图片新闻、重要通知
	  //========type=1 价格快报、沈城煤市成交价
	  //========type=2 煤炭销售、煤炭产量
	  if(type != 0){
	  	 cardNormal = cardNormal+type;
	  	 cardSelected = cardSelected+type;
	 	 cardSpace = cardSpace + type;
	  	 cardSpaceLeft = cardSpaceLeft+type;
	  	 cardSpaceLast = cardSpaceLast+type;
	  }
	  
	  var tableName=document.getElementById(id);
	  for(i=0;i<tableName.cells.length;i++) {
		tableName.cells[i].className=cardNormal;
	  }
	  tableName.cells[n].className=cardSelected;
	  for(i=1;i<tableName.cells.length;i=i+2) {
		tableName.cells[i].className=cardSpace;
	  }
	  tableName.cells[n+1].className=cardSpaceLeft;
	  tableName.cells[3].className=cardSpaceLast;
}
function secBoard(id,n){
	var tableName=document.getElementById(id);
    for(i=0;i<tableName.tBodies.length;i++){
		tableName.tBodies[i].style.display="none";
	}
	tableName.tBodies[n].style.display="";
}