javascript - Html style hidden for tables, td-s doesn't work well, just for div-s -

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i hide , unhide part of html file. code use:

function changevisible(colorclass, mode){         var items = document.getelementsbyclassname(colorclass);             for(var i=0; < items.length; i++)              {                  if(mode == "0")                 {                   items[i].setattribute("style","");                   items[i].style.visibility = 'hidden';                 }                 else if(mode == "1")                 {                   items[i].setattribute("style","");                   items[i].style.visibility = 'visible';                   <!--items[i].style.display = 'none';-->                 }                                }             }

the part select hideable parts:

function geturlparameters(variable, element){                var query = window.location.search.substring(1);                var vars = query.split("&");                (var i=0;i<vars.length;i++)                 {                        var pair = vars[i].split("=");                        if(pair[0] == variable)                        {                             <!-- document.getelementbyid("cxls").checked = pair[1]; -->                             if(pair[1] == "true")                             {                                 <!-- document.getelementbyid("cxls").checked = true; -->                                 document.getelementbyid(element).setattribute('checked', 'checked');                                 if(element == "cerr"){                                     changevisible("red", "1");                                 }                             }                             else if(pair[1] == "false"){                                 <!-- document.getelementbyid("cxls").checked = false; -->                                 document.getelementbyid(element).removeattribute('checked');                                 if(element == "cerr"){                                     changevisible("red", "0");                                 }                              }                         }                }                     }

the problem is, works divs, table, or td not. suggestions?

problem solved. main problem wrong entry point.


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