function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}
function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
//////////////////////////////////////////////////////////////
//ÅÇ?´º ?? ÁÖ±â
/////////////////////////////////////////////////////////////
function citem_toggle( main, sub ) {
        //var f = new Array( '_l.gif', '_r.gif' );
        //var img = 'http://sstatic.naver.com/search/local/';
        
        document.getElementById( main ).style.display = 'inline';
        document.getElementById( sub ).style.display = 'none';
        
        
        document.getElementById( main+"_on" ).style.display = 'inline';
        document.getElementById( sub+"_on" ).style.display = 'none';
        document.getElementById( main+"_off" ).style.display = 'none';
        document.getElementById( sub+"_off" ).style.display = 'inline';
        //for( i=0; i < f.length ; i++ ) {
        //    document.getElementById( sub+"_img" + i ).src = img + 'tab05' + f[i];
        //    document.getElementById( main+"_img" + i ).src = img + 'tab04' + f[i];
        //}
        //document.getElementById( sub+"_img" + i ).background = img + 'tab05_c.gif';
        //document.getElementById( main+"_img" + i ).background = img + 'tab04_c.gif';        
        //document.getElementById( sub+"_a" ).style.cssText = "font-weight:normal;color:ffffff" ;
        //document.getElementById( main+"_a" ).style.cssText = "font-weight:bold;color:fff77b" ;        
    }
function cate_toggle( v ) {        
        if( v ) citem_toggle( 'cbiz', 'creg' );
        else citem_toggle( 'creg', 'cbiz' );
        return false;
    }