var ImgArray = new Array();
var n=0;
var NameImage="";
var SRCPath="";
var ActiveNameImage="";
var	LastOffNameImage="";
var LastOffSRCPath="";


function CacheImage(SRCPath) 
{
	ImgArray[n]=new Image();
	ImgArray[n].src=SRCPath;
	n++;
}

function SwapImage(NameImage,SRCPath) 
{
	if (NameImage != ActiveNameImage) 
	{
		document.images[NameImage].src = SRCPath;
	}
}

function RestoreImage(NameImage,SRCPath) 
{

	if (NameImage != ActiveNameImage)
	{
		document.images[NameImage].src = SRCPath;
	}
}

function ActiveImage(NameImage,SRCPath) 
{
	if (ActiveNameImage == "")
	{
		document.images[NameImage].src = SRCPath;
		ActiveNameImage=NameImage;
		if (LastOffNameImage != "")
			document.images[LastOffNameImage].src = LastOffSRCPath;
	}
}