//导航层变换
function Show_BlkBlackTab(BlkBlackTabid_num,BlkBlackTabnum){
	for(var i=0;i<4;i++){document.getElementById("BlkBlackTabcontent_"+BlkBlackTabid_num+i).style.display="none";}
	document.getElementById("BlkBlackTabcontent_"+BlkBlackTabid_num+BlkBlackTabnum).style.display="block";
}

//新闻栏目变换
function Show_MMSTab(MMSTabid_num,MMSTabnum){
	for(var i=0;i<2;i++){document.getElementById("MMSTabcontent_"+MMSTabid_num+i).style.display="none";}
	document.getElementById("MMSTabcontent_"+MMSTabid_num+MMSTabnum).style.display="block";
}

//iframe调用
function ifr(url,w,h,n,t){
	document.write('<iframe id="'+n+'" name="'+n+'" width="'+w+'" height="'+h+'" border="0" frameborder="0" scrolling="no" src="'+url+'" allowTransparency="'+t+'"></iframe>');
}

//站内搜索
function fn_submit()
{
    if(findform.searchText.value == "")
    {
        alert("请输入关键字!");
        return false ;
    }
    else 
        return true;
}
function fn_submit1()
{
    if(search.searchText.value == "")
    {
        alert("请输入关键字!");
        return false ;
    }
    else 
        return true;
}

//文字 大中小
function fontZoom(size) {
	document.getElementById('container_txt').style.fontSize=size+'px'
}

//内容页评论
function StrTrim(x){
            while((x.length>0) && (x.charAt(0)==' '))
                x = x.substring(1 , x.length);
            while((x.length>0) && (x.charAt(x.length-1)==' '))
                x = x.substring(0, x.length-1);
            return x;
} 
function Trim(x){
            x = x.replace (/\s/ig,'');
            return x;
}
function viewComment(){
			url = "http://comment.china.com.cn/cms/comment/comment.jsp?view=1&nodeid=";
			nodeval= Trim(document.viewform.nodeid.value);
			url = url + nodeval + "&nodename=";
			nodenameval= Trim(document.viewform.nodename.value);
			url = url + nodenameval + "&nsid=";
			nsidval = Trim(document.viewform.nsid.value);
			url = url + nsidval + "&title=";
			titleval = Trim(document.viewform.title.value);
			url = url + titleval + "&siteid=";
			siteidval = Trim(document.viewform.siteid.value);
			url = url + siteidval + "&sitename=";
			sitenameval= Trim(document.viewform.sitename.value);
			url = url + sitenameval + "&puburl=";
			puburlval = Trim(document.viewform.puburl.value);
			url = url + puburlval;
      		window.open(url,"","");
}
function submitCheck()
{
          if(document.all("content1").value.length>1000){
            alert("评论内容超过1000字！");
            return false;
          }
          if(document.all("content1").value.indexOf("<script")!=-1 ||
			document.all("content1").value.indexOf("<\/")!=-1){
            alert("评论内容含有特殊字符!");
            return false;
          }
          if(document.all("content1").value == "")
          {
            alert("必须填写评论内容！");
            return false;
          }
            document.myform.isGuest.value = document.myform.isGuest.
checked;
 
document.myform.content.value=escape(document.myform.content1.value);
document.myform.author.value=escape(document.myform.author1.value);
document.myform.submit();
}