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];
	}
}

// generate an image between 1 and maxIndex. Images should be in the directory
// assets/home/<pathname>, and named 1.jpg, 2.jpg ... <maxIndex>.jpg
// other tags can be included in the args variable.
function pickImage(pathname, maxIndex, args)
{
	image = new Array();

	// imageArray
	for (var i = 1; i <= maxIndex; i++)
	{
		image[i] = "<img src='http://www.cpnonline.org/assets/home/" + pathname + "/" + i + ".jpg' " + args + " >";
	}

	increment = Math.ceil(Math.random() * maxIndex);
	return image[increment];
}

// change list

function changeList(listId,listArry)
// changes the contents of a select list to the passed in listArray
//	listID : ID of the select element
//	listArray : Options array.
{
	origLength = document.getElementById(listId).options.length;
	newLength = listArry.length;
	for (lcv=origLength-1; lcv>=0; lcv--)
	{
		document.getElementById(listId).options[lcv] = null;
	}
	for (lcv=0; lcv<newLength; lcv++)
	{
		document.getElementById(listId).options[lcv] = listArry[lcv];
	}
}


// showing and hiding blocks of information

function showBlock(blockID)
{
	document.getElementById(blockID).style.display = "block";
}


function hideBlock(blockID)
{
	document.getElementById(blockID).style.display = "none";
}

function showInline(spanID)
{
	document.getElementById(spanID).style.display = "inline";
}


function hideInline(spanID)
{
	document.getElementById(spanID).style.display = "none";
}