function SOPG_swapImgRestore() { //v3.0
	var i,x,a=document.SOPG_sr;
	for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function SOPG_preloadImages() { //v3.0
	var d=document; if(d.images){ if(!d.SOPG_p) d.SOPG_p=new Array();
	var i,j=d.SOPG_p.length,a=SOPG_preloadImages.arguments; for(i=0; i<a.length; i++)
	if (a[i].indexOf("#")!=0){ d.SOPG_p[j]=new Image; d.SOPG_p[j++].src=a[i];}}
}

function SOPG_findObj(n, d) { //v3.0
	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=SOPG_findObj(n,d.layers[i].document); return x;
}

function SOPG_swapImage() { //v3.0
	var i,j=0,x,a=SOPG_swapImage.arguments; document.SOPG_sr=new Array; for(i=0;i<(a.length-2);i+=3)
	if ((x=SOPG_findObj(a[i]))!=null){document.SOPG_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function SOPG_onClickSwap(name) {
	var currentImage = document[name].src;
	var fOrB = currentImage.substring((currentImage.length-5),(currentImage.length-4))
	if (fOrB == 'f') {
		var fOrB = 'b';
	} else if (fOrB == 'b') {
		var fOrB = 'f';
	}
	var newImage = currentImage.substring(0,(currentImage.length-5)) + fOrB + currentImage.substring((currentImage.length-4),(currentImage.length));
	document[name].src = newImage;
}