//
// MM.js - image manipulation
//
// Initialization:
//   <body onLoad="MM_preloadImages('platon_01.jpg', 'platon_02.jpg', ...);"  ...>
//
// To change platon image:
//   <a href="javascript:;"
//     onMouseOut="MM_swapImgRestore()"
//     onMouseOver="MM_swapImage('platon','','platon_02.jpg',1)"  ...>
//
//   <img src="space.gif" width="400" height="500" name="platon">
//

function MM_swapImgRestore() //v3.0
{
	var i;
	var x;
	var 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;
		var j = d.MM_p.length;
		var 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;
	var i;
	var 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;
	var x;
	var j = 0;
	var 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];
		}
	}
}