function LoadRequiredImages () {
	MM_preloadImages(
		'images/icon_01b.gif',
		'images/icon_02b.gif',
		'images/icon_03b.gif',
		'images/icon_04b.gif',
		'images/icon_05b.gif',
		'images/nav_01b.gif',
		'images/nav_02b.gif',
		'images/nav_03b.gif',
		'images/nav_04b.gif',
		'images/nav_05b.gif',
		'images/nav_06b.gif',
		'images/control_back_01.gif',
		'images/control_back_02.gif'
	);
}

function MM_preloadImages () {
	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() {
	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) {
	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() {
	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];
		}
	}
}