function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		preloadFlag = true;
	}
}
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];}
}
//-----------------------------------------------------------------------------------------------------

function showdivbyid(idshow,classgroup)
{
	var myregexp = new RegExp(classgroup);
	var divs = document.getElementsByTagName('div');
	for(i=0;i<divs.length;i++)
	{
		if (myregexp.exec(divs[i].className)) // if the div classname matches the given class then decide whether to show or hide it
		{
			if(divs[i].id.match(idshow)) //if the div ID equals the idshowed value then show it
			{
				if (document.getElementById) // DOM3 = IE5, NS6
					divs[i].style.display="block";// show/hide
				else
					if (document.layers) // Netscape 4
						document.layers[divs[i]].display = 'block';
					else // IE 4
						document.all.divs[i].display = 'block';
			}
			else //otherwise hide it
			{
				if (document.getElementById)
					divs[i].style.display="none";
				else
					if (document.layers) // Netscape 4
						document.divs[i].display = 'none';
					else // IE 4
						document.all.divs[i].display = 'none';
			}
		}
	}
}