bu kod ne anlama geliyor arkadaşlar? temamım header.php de gördüm (churc tema)


<script type="text/javascript"><!--//--><![CDATA[//><!--

sfHover = function() {

if (!document.getElementsByTagName) return false;

var sfEls = document.getElementById("nav").getElementsByTagNam e("li");



// if you only have one main menu - delete the line below //

var sfEls1 = document.getElementById("subnav").getElementsByTag Name("li");

//



for (var i=0; i<sfEls.length; i++) {

sfEls[i].onmouseover=function() {

this.className+=" sfhover";

}

sfEls[i].onmouseout=function() {

this.className=this.className.replace(new RegExp(" sfhover\\b"), "");

}

}



// if you only have one main menu - delete the "for" loop below //

for (var i=0; i<sfEls1.length; i++) {

sfEls1[i].onmouseover=function() {

this.className+=" sfhover1";

}

sfEls1[i].onmouseout=function() {

this.className=this.className.replace(new RegExp(" sfhover1\\b"), "");

}

}

//



}

if (window.attachEvent) window.attachEvent("onload", sfHover);

//--><!]]></script>