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) { //v4.0
  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 && document.getElementById) x=document.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];}
}
var max=18;
function getFontSize(el) {
  if (el.currentStyle) {
    return el.currentStyle.fontSize;
  } else if (getComputedStyle) {
  	return getComputedStyle(el,null).getPropertyValue('font-size');
  }
  return el.style.fontSize;
}
function changeFontSize(inc,areaid){  
	var p = document.getElementById(areaid);

	var cn = p.getElementsByTagName("*");
	for (n=0; n<cn.length;n++) {
		if (cn[n].nodeName == '#text' || !cn[n].style) continue;
		if (cn[n].style.fontSize) {
			var size = parseInt(cn[n].style.fontSize);    
		} else {       
			var size = parseInt(getFontSize(cn[n]));
		}   
		cn[n].style.fontSize = size+inc + 'px'; 
	}

	//dfsChangeFontSize(inc, p.childNodes);
}