html - Changing classes in a menu with Javascript -


i looking create simple functionality of clicking on menu tab , changes color let know page on. novice please take easy on me...lol

/menu in php header file/

<ul class="tabs" id="tabs">   <li class="selected"><a href="http://bestofthebestent.com/index.php">home</a></li>   <li class="inactive"><a href="http://bestofthebestent.com/bio.php">bio</a></li>   <li class="inactive"><a href="http://bestofthebestent.com/photo.php">photo</a></li>   <li class="inactive"><a href="http://bestofthebestent.com/music.php">thank</a></li>   <li class="inactive"><a href="http://bestofthebestent.com/contact.php">contact</a></li> </ul>  /*this javascript file*/ window.onload = initpage;  function initpage() {     var tabs = document.getelementbyid("tabs").getelementsbytagname("li");     (var i=0; i<tabs.length; i++){         var links = tabs[i];         links.onclick = tabclicked;     } }   function tabclicked(){     var tabid = this.id;     document.getelementbyid(tabid).classlist.toggle("selected");     var tabs = document.getelementbyid("tabs").getelementsbytagname("li");     (var i=0; < tabs.length; i++){         var currenttab = tabs[i];         if (currenttab.id !== tabid){             currenttab.class = "selected";         } else {             currenttab.class = "inactive";         }     } }  

element.setattribute("class", "classname");

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