function Show_BlkBlackTab2(BlkBlackTabid_num,BlkBlackTabnum){
	for(var i=0;i<2;i++){document.getElementById("b_"+BlkBlackTabid_num+i).style.display="none";}
	for(var i=0;i<2;i++){document.getElementById("a_"+BlkBlackTabid_num+i).className="xx26";}
	document.getElementById("a_"+BlkBlackTabid_num+BlkBlackTabnum).className="xx25";
	document.getElementById("b_"+BlkBlackTabid_num+BlkBlackTabnum).style.display="block";
}	

function Show_BlkBlackTab3(BlkBlackTabid_num,BlkBlackTabnum){
	for(var i=0;i<3;i++){document.getElementById("b_"+BlkBlackTabid_num+i).style.display="none";}
	for(var i=0;i<3;i++){document.getElementById("a_"+BlkBlackTabid_num+i).className="xx26";}
	document.getElementById("a_"+BlkBlackTabid_num+BlkBlackTabnum).className="xx25";
	document.getElementById("b_"+BlkBlackTabid_num+BlkBlackTabnum).style.display="block";
}	

function Show_BlkBlackTab4(BlkBlackTabid_num,BlkBlackTabnum){
	for(var i=0;i<4;i++){document.getElementById("b_"+BlkBlackTabid_num+i).style.display="none";}
	for(var i=0;i<4;i++){document.getElementById("a_"+BlkBlackTabid_num+i).className="xx26";}
	document.getElementById("a_"+BlkBlackTabid_num+BlkBlackTabnum).className="xx25";
	document.getElementById("b_"+BlkBlackTabid_num+BlkBlackTabnum).style.display="block";
}	


function Show_BlkBlackTab5(BlkBlackTabid_num,BlkBlackTabnum){
	for(var i=0;i<5;i++){document.getElementById("b_"+BlkBlackTabid_num+i).style.display="none";}
	for(var i=0;i<5;i++){document.getElementById("a_"+BlkBlackTabid_num+i).className="current_old";}
	document.getElementById("a_"+BlkBlackTabid_num+BlkBlackTabnum).className="current_now";
	document.getElementById("b_"+BlkBlackTabid_num+BlkBlackTabnum).style.display="block";
}	

function view(img,href,title,desc,writer)
{
  setTimeout("viewhtml('"+ img +"','"+href+"','"+title+"','"+desc+"','"+writer+"')",100);
}

function viewhtml(img,href,title,desc,writer)
{
   oldimg = document.getElementById('topicimage').src;
   document.getElementById('topicimg').innerHTML= '<a href='+ href +' target=_blank><img id=topicimage src='+oldimg+' class=topicimage></a>';
   document.getElementById('topictitle').innerHTML='<h4 class=hot><a href='+ href +' target=_blank>'+ title +'</a>';
   document.getElementById('topicdesc').innerHTML=desc;		
   document.getElementById('topicwriter').innerHTML=writer;	
   document.getElementById('topicimage').filters[0].apply(); 
   document.getElementById('topicimage').src=img; 
   document.getElementById('topicimage').filters[0].play(); 
}


function check_tj() {
if(document.frmtj.t_col1.value==''){alert('请输入作者昵称');document.frmtj.t_col1.focus();return false;}
if(document.frmtj.t_col2.value==''){alert('请输入BLOG地址');document.frmtj.t_col2.focus();return false;}
if(document.frmtj.t_col3.value==''){alert('请输入文章标题');document.frmtj.t_col3.focus();return false;}
if(document.frmtj.t_col4.value==''){alert('请输入文章链接');document.frmtj.t_col4.focus();return false;}

if(document.frmtj.t_col4.value.substr(0,28) !='http://blog.qingdaonews.com/')
{
	alert('对不起，请用青青岛博客的文章链接投稿');
	document.frmtj.t_col4.focus();
	return false;
}
if(document.frmtj.t_col2.value.substr(0,28) !='http://blog.qingdaonews.com/')
{
	alert('对不起，请用青青岛博客的博客地址投稿');
	document.frmtj.t_col2.focus();
	return false;
}
document.frmtj.submit();
//if(document.frmtj.body.value=="")
//document.frmtj.body.value = "<P>推荐信息：</P><P>作者昵称：" + document.frmtj.t_col1.value + "；<br>BLOG地址：<a href=" +document.frmtj.t_col2.value + " target=_blank>"+document.frmtj.t_col2.value+"</a>；<br>文章标题："+document.frmtj.t_col3.value+"；<br>文章链接：<a href='"+document.frmtj.t_col4.value+"' target='_blank'>"+document.frmtj.t_col4.value+"</a>。</P>";  
document.frmtj.t_col1.value="";
document.frmtj.t_col2.value="";
document.frmtj.t_col3.value="";
document.frmtj.t_col4.value="";
}