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_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_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];}
}

function load_menu(page) {
		MM_preloadImages('images/menu_01_on.png',
			'images/menu_02_on.png',
			'images/menu_03_on.png',
			'images/menu_04_on.png',
			'images/icon_sml02_on.png',
			'images/icon_sml03_on.png',
			'images/icon_sml04_on.png');
}

function swap_bg(el,n) {
	var img = "url(images/"+n+")";
	document.getElementById(el).style.backgroundImage=img;
}
function swapo_bg(el,n) {
	if (document.getElementById(el).className != "side_active")
		swap_bg(el,n);
}


function jscss(a,o,c1,c2)
{
  switch (a){
    case 'swap':
      o.className=!jscss('check',o,c1)?o.className.replace(c2,c1): o.className.replace(c1,c2);
    break;
    case 'add':
      if(!jscss('check',o,c1)){o.className+=o.className?' '+c1:c1;}
    break;
    case 'remove':
      var rep=o.className.match(' '+c1)?' '+c1:c1;
      o.className=o.className.replace(rep,'');
    break;
    case 'check':
      return new RegExp('\\b'+c1+'\\b').test(o.className)
    break;
  }
}


function swap_active(el) {
	/*if(jscss('check','side01','active')) jscss('swap','side01','active','side_menu');
	if(jscss('check','side02','active')) jscss('swap','side02','active','side_menu');
	if(jscss('check','side03','active')) jscss('swap','side03','active','side_menu');
	if(jscss('check','side04','active')) jscss('swap','side04','active','side_menu');
	if(jscss('check','side05','active')) jscss('swap','side05','active','side_menu');
	jscss('swap',el,'side_menu','active');*/
	
	document.getElementById("side01").setAttribute("class", "side_menu");
	document.getElementById("side02").setAttribute("class", "side_menu");
	document.getElementById("side03").setAttribute("class", "side_menu");
	document.getElementById("side04").setAttribute("class", "side_menu");
	document.getElementById("side05").setAttribute("class", "side_menu");
	document.getElementById(el).setAttribute("class", "side_active");
	document.getElementById("side01").setAttribute("className", "side_menu");
	document.getElementById("side02").setAttribute("className", "side_menu");
	document.getElementById("side03").setAttribute("className", "side_menu");
	document.getElementById("side04").setAttribute("className", "side_menu");
	document.getElementById("side05").setAttribute("className", "side_menu");
	document.getElementById(el).setAttribute("className", "side_active");
}