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 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 resizeFont(element_id, amount, min, max)
{
    amount = Number(amount);
    var font = document.getElementById(element_id);
    doResize(font, amount, min, max);
}

function resizeFontClass(tag_name, class_name, amount, min, max)
{
    amount = Number(amount);
    var all_tags = document.getElementsByTagName(tag_name);
    for (var i = 0; i < all_tags.length; i++)
    {
        if (all_tags[i].className == class_name)
        {
            var font = all_tags[i];
            doResize(font, amount, min, max);
        }
    }
}

function doResize(font, amount, min, max) {
    var old_size = "12px";
    if (document.defaultView && document.defaultView.getComputedStyle) {
        old_size = parseInt(document.defaultView.getComputedStyle(font, "").getPropertyValue("font-size").replace('px', '').replace('em', '').replace('pt', ''));
    }
    else if (font.currentStyle) {
        old_size = parseInt(font.currentStyle.fontSize.replace('px', '').replace('em', '').replace('pt', ''));
    }
    if (amount == 0 || old_size == 0) {
        return false;
    }
    if (old_size+amount < min) {
        font.style.fontSize = min;
    }
    else if (old_size+amount > max) {
        font.style.fontSize = max;
    }
    else {
        font.style.fontSize = (old_size+amount)+"px";
    }
}